WO2005009247A1 - 痴呆検査装置、痴呆検査サーバ、痴呆検査クライアント、および痴呆検査システム - Google Patents
痴呆検査装置、痴呆検査サーバ、痴呆検査クライアント、および痴呆検査システム Download PDFInfo
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- WO2005009247A1 WO2005009247A1 PCT/JP2004/010715 JP2004010715W WO2005009247A1 WO 2005009247 A1 WO2005009247 A1 WO 2005009247A1 JP 2004010715 W JP2004010715 W JP 2004010715W WO 2005009247 A1 WO2005009247 A1 WO 2005009247A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/165—Evaluating the state of mind, e.g. depression, anxiety
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
- A61B5/4088—Diagnosing of monitoring cognitive diseases, e.g. Alzheimer, prion diseases or dementia
Definitions
- Dementia detection device dementia detection server, dementia detection client, and dementia detection technical field
- the present invention relates to a dementia test device, a dementia test system, a dementia test server that constitutes the dementia test system, and a dementia test client that test the degree of dementia in a subject.
- senile dementia is a problem that is difficult to solve because of its nature, it becomes impossible to recover when the symptoms progress to a severe degree, and it requires a great deal of labor for nursing care.
- senile dementia is a problem that is difficult to solve because of its nature, it becomes impossible to recover when the symptoms progress to a severe degree, and it requires a great deal of labor for nursing care.
- the function of human judgment is governed by the frontal lobe of the human brain, and dementia is classified in various ways according to the cause of occurrence, but the most common is senile dementia (or disuse type). It is said that dementia is caused by this decrease in the function of the frontal lobe. It has been found that a test that requires multiple judgments at the same time is effective in examining judgment by the frontal lobe function.
- a dementia degree chart using a dementia degree test chart that requests a plurality of types of judgments at the same time and obtains an answer in a form in which the correctness of the judgments is objectively judged
- a detection device, a dementia detection system, a dementia detection server, and a dementia detection client that constitute the dementia detection system have been proposed (for example, see Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-143096 Disclosure of the Invention Problems to be Solved by the Invention
- a dementia degree test chart corresponding to each of a kanji color test and a ka-hiro test is given.
- the kanji color-specific test means, for example, that the subject is presented with a list of kanji representing the colors, which are individually colored and expressed, and the color represented by each kanji and the color of the kanji Is a test in which the subject is determined to match / mismatch with the subject.
- a kana-hiroi test is to have a subject read a sentence written entirely in hiragana, and to determine in advance the sentence, for example, "a", "i", "u”, "e”. The test involves picking up the kana characters of "O" and simultaneously understanding and memorizing the contents of the sentence.
- FIG. 1 is a diagram showing an example of a dementia degree test chart used in a kanji color-specific test
- FIG. 2 is a diagram showing an example of a dementia degree test chart used in a strength and nahiro test. is there.
- the kanji color-specific test evaluates only one attention distribution ability of judging a match / mismatch between the color represented by the kanji and the color representing the kanji, and In comparison with the Kanahiro test, which evaluates the ability of distributing attention by picking up powerful characters from the sentence and understanding and memorizing the contents of the sentence, only a sweet evaluation result with less difficulty is obtained. I have a problem.
- the powerful test is a test unique to Japanese and has a problem that it is difficult to be adopted as an international test. For example, if an attempt is made to perform a test similar to the broad test in English, the subject will be required to perform tasks such as picking up predetermined alphabets and other characters from English sentences.
- the attention distribution ability of Japanese subjects in picking up kana characters from Japanese sentences, and the ability to pick up predetermined alphabets in English-speaking tasks, as well as the ability to pick up English alphabets It is known that the examiner's ability to distribute attention is apparently the same and is actually quite different. In other words, it is difficult for such tests to obtain internationally common evaluation results.
- the present invention is directed to early detection of early symptoms of senile dementia (pre-dementia). It is another object of the present invention to provide an internationally effective dementia detection device, a dementia detection system, a dementia detection server, and a dementia detection client that constitute the dementia detection system. Means for solving the problem
- a character group constituting a story including a color word representing a color is color-coded with a plurality of colors so that each color word has the same color. It is necessary to judge whether or not the color of the characters constituting the above-mentioned color word has the same color as the color represented by the color word, which has a colored test sentence. It consists of a combination of a first test chart that asks for answers in a determined format, multiple questions related to the contents of the test sentence, and multiple alternative answers prepared for each question An answer obtaining unit that obtains the subject's answer made within each predetermined answer time limit for both the second test chart and
- a dementia degree test section that tests the degree of dementia of the subject based on the answer obtained by the answer obtaining section.
- an evaluation of the attention distribution ability of picking up a color word representing a color from a test sentence by the first test chart is performed, and the color represented by the color word and the color word are colored.
- the evaluation of the attention distribution ability to judge the match with the color in which the color is present and the Z mismatch are obtained, and the evaluation to the attention distribution ability to understand and memorize the contents of the test sentence is the second test chart. Is obtained by As a result, for example, a test having a higher degree of difficulty can be performed as compared to the above-described kanji color-specific test.
- the concept of the first test chart can be applied to Japanese as well as other languages such as English, other than Japanese.
- the color given to the color kanji in the test sentence including the color kanji representing the color is the same color as the color represented by the color kanji.
- the test can be carried out by asking for a judgment as to whether or not there is, and preparing a chart for asking a response in a format in which the correctness of the judgment is objectively judged.
- the color strength of the colored English words in the test sentence including the colored English words representing the colors is the same color as the color represented by the colored English words. To determine whether or not there is, and to answer in a format where the correctness of the determination is objectively determined.
- the test can be carried out by preparing a chart as shown in FIG. In this way, even if a plurality of subjects whose native languages are different from each other are to be examined, preparing the first test chart colored with the colored words in each native language allows each subject to be examined. Can ask the same ability to judge. Therefore, according to the first test chart, it is possible to carry out an internationally versatile test for the degree of dementia of the subject.
- the test sentence has a plurality of types in which the test sentences have different colors from each other. It is preferable to further include a first test chart creating section for creating the first test chart by selecting one type of test sentence from the sentences as the test sentence of the first test chart.
- the dementia testing apparatus of the present invention it is assumed that the same subject is repeatedly tested.
- One thing to keep in mind at that time is that the same subject repeatedly uses the same test chart, so that the subject learns the answer of the test chart repeatedly. is there.
- the dementia testing apparatus provided with the first test chart creating section the first test chart creating section allows, for example, the same subject to be inspected by the first test chart creating section every time the test is performed. By generating a first test chart different from the first test chart used, the above-mentioned iterative learning effect can be suppressed.
- a question unit comprising a combination of a question related to a story represented by the test sentence and a plurality of alternatively selected answers prepared for the question. It is preferable that the apparatus further includes a second test chart creating section for creating a second test chart by selecting a predetermined number of question units and having a plurality of kinds of question units.
- a sentence range detection unit that detects a range in the test sentence read by the subject within the predetermined answer time limit for the first test chart
- the second test chart creation unit selects the question unit associated with the range of the test sentence detected by the sentence range detection unit. "
- the subject cannot read all of the test sentences within a predetermined answer time limit for the first test chart.
- the second test chart contains a question related to the part of the test sentence that the subject has not read yet, the subject will be asked to answer the question. Because they do not know, the subject will answer this question based on mere intuition that is unrelated to the subject's own understanding and memory. Such meaningless answers unrelated to comprehension and memory may impair the reliability of the test results for the degree of dementia in the subject.
- the sentence range detection unit detects the range in the test sentence read by the subject, and only questions related to the contents of the range are detected. Is presented to the subject. Therefore, according to this preferred form of the dementia testing device, the above-mentioned meaningless answer by the subject can be prevented, and a more reliable test result can be obtained for the degree of dementia of the subject. Can be.
- test sentence is specifically described as follows.
- the color words in the above character group were colored with multiple colors so as to be the same color in each color word, and other characters in the character group except those color words were colored with a single color. It may be something.
- test sentence for example, when the test sentence is composed in Japanese, the color kanji representing the color in the sentence is colored in a plurality of colors, and It is possible to generate a first test chart having a test sentence in which other characters are colored in a single color such as black.
- the test sentence may be The character group may be colored by changing the color for each character string delimiting a particular type of character (for example, punctuation, period, etc.).
- test sentence By using such a test sentence, it is possible to generate a first test chart or the like having a test sentence colored by changing the color for each character string that separates punctuation marks in the sentence. it can. If such a first test chart is used, a first test chart having a test sentence in which only the color kanji that merely represents a color is expressed in a different color from other characters in the sentence as described above is used. As compared with the case, the test can be performed with higher difficulty for the subject.
- a chart display unit for displaying the first test chart and the second test chart;
- a start instruction unit for instructing a subject to start inputting an answer to each of the first test chart and the second test chart;
- the start instructing unit instructs the start of the answer input to the first test chart
- the examinee is prohibited from inputting the answer and If the elapsed time after the start instruction unit instructs the start of the answer input to the second test chart reaches a predetermined answer time limit corresponding to the second test chart, the subject is asked to input the answer. It is a preferable mode to further include a prohibition response time control unit.
- the start instructing unit can explicitly indicate to the subject the start of answer input for each of the first and second test charts.
- the answer time control unit by setting a time limit for the subject's answer input for each of the first and second test charts by the answer time control unit, the test is more difficult for the subject. ⁇ can be implemented.
- the dementia testing apparatus of the present invention further includes a result display unit for displaying the dementia degree test result obtained by the dementia degree test unit.
- the applicant for the examination is provided for a predetermined period after the previous examination. It is preferable to include a test permission determining unit for permitting and prohibiting the test of the test applicant according to whether or not the test has passed.
- the examination permission determination unit it is possible to suppress the repetitive learning effect caused by the same subject repeatedly receiving the test.
- the dementia detection device of the present invention includes a dementia degree storage unit that stores correspondence between answers to both the first test chart and the second test chart and the dementia degree
- the dementia degree test unit refers to the dementia degree storage unit and examines the subject's response to both the first test chart and the second test chart obtained by the answer acquisition unit. It is preferable to test the degree of dementia of the examiner.
- the subject is provided with the dementia degree storage unit, and by referring to the stored responses to both the first test chart and the second test chart and the correspondence between the dementia levels. Can be objectively tested for the degree of dementia.
- the dementia degree test unit specifically reads the characters constituting the color word from the answer to the first test chart obtained by the answer acquisition unit.
- the number of viewing errors that were answered for characters other than the color words was extracted, and from the answers to the second test chart obtained by the above-mentioned answer acquisition unit, a plurality of questions related to the story represented by the test sentence were obtained.
- the number of semantic comprehensions that have been correctly answered is extracted, and these extracted numbers are compared with a predetermined reference value for each number to determine the degree of dementia.
- the dementia degree storage unit may store the predetermined reference value.
- the dementia degree test unit further extracts the number of correct answers indicating the number of options selected by the subject to answer that the correct answer is unknown from the answers to the second test chart obtained by the answer obtaining unit. Then, the degree of dementia is tested based on the number of correct answers, the number of correct answers, the number of incorrect answers, the number of oversights, the number of errors, and the number of meanings. "
- the subject when the subject answers one question in the second test chart, the subject completely memorizes the contents of the part related to the question in the story represented by the test sentence.
- the second test chart among the options prepared as the answer to the question, there are options (for example, unknown, forgotten, etc.) for answering that the answer is unknown. If not, the subject would respond to this question based on mere intuition, unrelated to the subject's own understanding and memory. At this time, it is quite possible for the subject to accidentally select the correct answer from the multiple answers corresponding to the question.
- the dementia detection apparatus determines whether there is such a meaningless correct answer unrelated to the subject's own understanding and memory, the entity represented by the number of semantics described above becomes inaccurate, and the reliability of the test results for the degree of dementia of the subject Decreases.
- the option for answering that the correct answer is unknown is included in the above options.
- the input of the above meaningless correct answer due to is suppressed.
- the dementia degree test section performs a test for the degree of dementia using the number of correct answers indicating the number of options for the subject to answer that the test subject does not know the correct answer ⁇ Highly reliable test results can be obtained.
- a character group constituting a story including a color word representing a color is classified and colored with a plurality of colors so that each character group has the same color.
- the first test chart for the pretest that asks for the answer in the format to be judged
- Predetermined response time limit for both the questions related to the text and the pretest second test chart consisting of a combination of multiple answers prepared for each question
- the response acquisition unit obtains the response of the subject made in the above, and the dementia degree indicating the degree of dementia of the subject is tested by the dementia degree test unit based on the response.
- the system further includes a pretest execution unit that performs a pretest before performing the dementia degree test using the first test chart and the second test chart.
- the subject can be accustomed to the operation of the dementia testing apparatus before the actual test.
- the basic idea of the present invention can be configured, for example, as a server'client system using the Internet or the like. With such a configuration, there is much more opportunity to detect the degree of dementia of each individual. It can be provided to people who are preferred.
- the Sano and the client in such a server'client system are called a dementia detection server and a dementia test client, respectively.
- the dementia test server of the present invention is a dementia test server in a dementia test system including a dementia test server and a dementia test client connected via a communication line.
- a character group constituting a story including a color word representing a color has a test sentence which is colored and colored by a plurality of colors so as to have the same color within each color word, and forms a color word.
- the first test chart asks the user to determine whether the color of the character to be colored is the same as the color represented by the color word, and seeks an answer in a form in which the correctness of the determination is objectively determined.
- a chart storage unit for storing both a plurality of questions related to the contents of the test sentence and a second test chart composed of a combination of a plurality of alternatively selected answers prepared for each question; ,
- a chart transmitting unit that transmits the first test chart and the second test chart to the dementia detection client
- An answer receiving unit that receives an answer from the dementia testing client for both the first test chart and the second test chart;
- the dementia detection server includes a chart storage unit that stores both the first and second test charts in the above-described dementia detection device of the present invention, and a dementia degree test function. It is a device that carries out.
- the test sentence has a plurality of types in which the colors of the test sentence are different from each other.
- the system further includes a first test chart creation unit for creating the first test chart.
- the dementia test server of the present invention has a plurality of types of question units that are combined powers of a question related to a story represented by the test sentence and a plurality of alternatively selected answers prepared for the question, It is also a preferable embodiment that the apparatus further includes a second test chart creating unit that creates a second test chart by selecting a predetermined number of question units from the plurality of types of question units.
- the dementia test server of the present invention includes such first and second test chart creation units, so that the above-described dementia test apparatus of the present invention can provide such first and second test charts.
- the dementia testing system can obtain the same effect as that obtained when each of the test preparation units is provided.
- the dementia test client further checks that the subject has not yet responded to the first test chart within a predetermined time limit. , Which detects the range in the test sentence, wherein each of the plurality of types of question units is associated with a position in the test sentence,
- the second test chart creating section creates the second test chart by selecting a question unit associated with a position within the range detected by the dementia test client in the test sentence. is there"
- a dementia testing server of the present invention including the above-described second test chart creating unit for creating a second testing chart based on the above-described question unit, and a dementia testing server as described above. If a dementia detection system is configured with a client, a more reliable dementia test can be performed.
- the detection sentence includes a plurality of words so that the color words in the above character group have the same color in each color word.
- other characters in the group of characters except those color words may be colored with a single color, or
- the above character group may be colored by changing the color for each character string delimiting a specific type of character.
- the dementia test server of the present invention stores the first test chart having such test text in the above-described chart storage unit, transmits the first test chart to the dementia test client, and executes the dementia test.
- the above-described dementia test apparatus of the present invention performs the test using the first test chart having the test text as described above. The same effect as the above can be obtained by the dementia test system.
- the dementia degree storage unit for storing the correspondence between the answer to both the first test chart and the second test chart and the dementia degree.
- the test unit refers to the dementia degree storage unit and obtains the subject's response from the responses to both the first test chart and the second test chart of the subject this time obtained by the answer acquisition unit. It tests the degree of dementia.
- the dementia degree test unit specifically, based on the answer to the first test chart obtained by the answer acquisition unit, changes the color of the characters constituting the color word into the color
- the number of correct answers that correctly judge whether the color is the same as the color represented by the word, the number of incorrect answers that were incorrectly determined, the number of oversights that overlooked the color word, and answers to characters other than the color word The number of errors in the test is extracted, and from the response to the second test chart obtained by the response acquisition unit, It is also possible to test the degree of dementia by extracting the number of semantic grasps that have been answered correctly for a number of questions, and comparing these extracted numbers with predetermined reference values for each number.
- the dementia degree storage section may store the predetermined reference value.
- the above-described dementia test apparatus of the present invention has the same dementia degree storage unit and dementia degree test unit. The same effect as in the case of providing can be obtained by the dementia testing system.
- the dementia test server including such a dementia degree storage unit and a dementia degree test unit,
- the dementia degree test unit further extracts the number of correct answers indicating the number of options selected by the subject to answer that the correct answer is unknown from the answers to the second test chart obtained by the answer obtaining unit. Then, the degree of dementia is tested based on the number of correct answers, the number of correct answers, the number of incorrect answers, the number of oversights, the number of errors, and the number of meanings. "
- the preferred form is the preferred form.
- a dementia detection system that performs a more reliable dementia degree test can be configured.
- the chart storage unit may include:
- the character group constituting the story including the color word representing the color has a pretest sentence which is colored and colored by a plurality of colors so that each character group has the same color.
- the first test for pretest that asks the user to judge whether the color of the character to be colored is the same as the color represented by the color word, and seeks an answer in a form in which the correctness of the judgment is objectively judged Combination of the chart, multiple questions related to the content of the pretest sentence above, and multiple alternative answers prepared for each question
- the chart storage unit stores a second test chart together with the first test chart and the second test chart.
- the chart transmission unit is:
- the dementia testing server of the present invention includes such a chart storage unit and a chart transmitting unit, the dementia testing server performs the same as the pretest performed by the dementia testing apparatus of the present invention including the above-described pretest executing unit.
- the first test chart for pretest and the second test chart for pretest for performing the pretest in the dementia test system can be passed to the dementia test client.
- the dementia test server of the present invention includes a result transmission unit for transmitting the dementia test result obtained by the dementia test unit to the dementia test client.
- the subject can easily and quickly confirm the dementia degree test result from the dementia test client.
- the dementia testing server of the present invention depending on whether or not a predetermined period has elapsed since the last time the test was taken, acceptance and prohibition of the test of the test taker are permitted, respectively. It is preferable to include an examination permission determination unit that performs the examination.
- the dementia testing server of the present invention includes such a test permission determining unit, the same effect as that obtained when the dementia testing apparatus of the present invention includes the same test permission determining unit described above can be obtained.
- the above dementia detection system can be obtained.
- the dementia detection client of the present invention is a dementia detection client in a dementia detection system comprising a dementia detection server and a dementia detection client connected via a communication line,
- a character group constituting a story including a color word representing a color has a test sentence which is color-coded by a plurality of colors so as to be the same color in each color word, and is colored.
- the first test chair that asks the user to determine whether or not the color of the constituent characters is the same as the color represented by the color word, and seeks an answer in a form in which the correctness of the determination is objectively determined.
- a second test chart composed of a combination of a plurality of questions related to the contents of the test sentence and a plurality of alternatively selected answers prepared for each question from the dementia detection server.
- a chart display unit that displays the first test chart and the second test chart obtained by the reception by the chart receiving unit
- An answer obtaining unit that obtains, according to an operation, an answer made within each predetermined answer time limit for both the first test chart and the second test chart displayed on the chart display unit,
- a response transmitting unit that transmits the response obtained by the response obtaining unit to the dementia testing server.
- the dementia test client is a device having the chart display function and the response acquisition function in the above-described dementia test device of the present invention in the dementia test system.
- the dementia test client of the present invention includes a sentence range detecting unit that detects a range in the test sentence read by the subject within a predetermined response time limit for the first test chart. It is preferable to further provide.
- a plurality of types of question units are associated with each question unit and a position in the above-mentioned sentence for detection, and are associated with positions in the range detected by the sentence range detection unit.
- the dementia detection client of the present invention by transmitting the answer transmitted from the dementia detection server to the dementia detection server, a dementia degree test obtained by the dementia detection server is obtained.
- a result receiving unit for receiving a result by transmitting the answer transmitted from the dementia detection server to the dementia detection server, a dementia degree test obtained by the dementia detection server is obtained.
- the apparatus further comprises a result display unit for displaying a dementia degree test result obtained by the reception by the result receiving unit.
- a result display unit for displaying a dementia degree test result obtained by the reception by the result receiving unit.
- a start instructing unit for instructing the subject to start inputting an answer to each of the first test chart and the second test chart, and When the elapsed time from instructing the start of answer input to the first test chart reaches a predetermined answer time limit corresponding to the first test chart, the examinee is prohibited from inputting answers and the start instructing unit is A response time control unit that prohibits the subject from inputting a response when the elapsed time from instructing the start of the response input to the second test chart reaches a predetermined response time limit according to the second test chart. It is preferable to further provide
- the above-described dementia test device of the present invention has the same start instruction unit and response time control unit. The same effect as in the case of the above can be obtained by the dementia testing system.
- the dementia test server is
- the character group constituting the story including the color word representing the color has a pretest sentence which is colored and colored by a plurality of colors so that each character group has the same color.
- the first test for pretest that asks the user to judge whether the color of the character to be colored is the same as the color represented by the color word, and seeks an answer in a form in which the correctness of the judgment is objectively judged
- the chart and a second pre-test certification chart consisting of a combination of a plurality of questions related to the content of the pre-test sentence and a plurality of alternatively selected answers prepared for each question are described above. Along with the chart for the first test and the chart for the second test, the chart is sent to this dementia test client.
- the answer obtaining unit obtains the subject's answer made within a predetermined answer time limit to both the first test chart for pretest and the second test chart for pretest, and A pretest in which the answer is transmitted from the answer transmitting unit to the dementia detection server is performed based on the number of times the subject has performed both the first test chart and the second test chart. It is preferable to have a pretest execution unit that executes the test before acquiring the answer.
- the dementia testing client of the present invention includes such a pretest executing section, the same pretest as the pretest executed by the dementia testing apparatus of the present invention having the above-described pretest executing section can be performed. It can be implemented by the above-mentioned dementia detection system.
- the dementia detection system of the present invention is a dementia detection system comprising a dementia detection server and a dementia detection client connected via a communication line,
- the dementia detection server is not limited to:
- a plurality of types of the above-mentioned inspection texts are prepared in which the colors of the inspection texts are different from each other, and one of the plurality of inspection texts is used as an inspection text in the first test chart.
- a plurality of question units that can combine the multiple questions related to the story represented by the test sentence and the multiple answers selected for each question are prepared.From these multiple question units, A second test chart creating unit for selecting one question unit as the second test chart;
- a chart transmitting unit that transmits the first test chart and the second test chart to the dementia test client
- An answer receiving unit that receives an answer from the dementia testing client for both the first test chart and the second test chart within the answer time limit
- a dementia degree test section that tests the degree of dementia of the subject based on the answer obtained by the answer receiving section.
- a chart receiving unit that receives the first test chart and the second test chart transmitted from the dementia test server
- a chart display unit that displays the first test chart and the second test chart obtained by the reception by the chart receiving unit
- An answer obtaining unit that obtains, according to an operation, an answer made within the answer time limit for both the first test chart and the second test chart displayed on the chart display unit.
- a response transmitting unit that transmits the response obtained by the response obtaining unit to the dementia testing server.
- the subject can use his / her personal computer or the like as the dementia detection client, for example, while staying at home. You can take your own dementia degree test.
- the dementia testing system according to the present invention will be described only in its basic form, but this is merely to avoid duplication, and the dementia testing system according to the present invention is not applicable.
- various preferable forms corresponding to the above-described forms of the dementia test apparatus, dementia test server, and dementia test client are included. The invention's effect
- an internationally effective test can be easily performed for early detection of early symptoms of senile dementia (pre-dementia).
- FIG. 1 is a diagram showing an example of a dementia degree test chart used for a kanji color-specific test.
- FIG. 2 is a diagram showing an example of a dementia degree test chart used for the Kanahiro test.
- FIG. 3 is an external perspective view of a computer system operating as a dementia testing apparatus according to one embodiment of the present invention.
- FIG. 4 is a hardware configuration diagram of the computer system 100 shown in FIG.
- FIG. 5 is a functional block diagram of an embodiment of the dementia testing apparatus of the present invention, which is realized by executing a dementia testing program in the computer system shown in FIGS. 3 and 4.
- FIG. 6 is a flowchart showing the operation of the dementia testing apparatus in testing the degree of dementia of a subject.
- FIG. 7 is a flowchart showing a pretest process.
- FIG. 8 is a diagram showing an example of a first test chart.
- FIG. 9 is a diagram showing an example of a color information table.
- FIG. 10 is a diagram showing an example of color classification in a color information table.
- FIG.11 Coloring is performed by changing the color of each character string that separates punctuation marks in the text. It is a figure which shows an example of the text for a test colored.
- FIG. 12 is a diagram showing an example of a test sentence expressed in English.
- FIG. 13 is a diagram showing an example of a second test chart generated by the second test chart generator shown in FIG. 5 and displayed on the chart display unit following the first test chart shown in FIG. 8.
- FIG. 14-A is a diagram showing a first unit group among three types of unit groups.
- FIG. 14-B is a diagram showing a second unit group among the three types of unit groups.
- FIG. 14-C is a diagram showing a third unit group among the three types of unit groups.
- FIG. 15 is a flowchart showing a determination process.
- FIG. 16 is a diagram showing a reference value table indicating reference values for each judgment item, which is referred to in the judgment processing shown in FIG.
- FIG. 17 is a diagram showing an example of a first test chart for pretest and a second test chart for pretest used in the pretest.
- FIG. 18 is a configuration diagram of a server'client system that operates as one embodiment of the dementia testing system of the present invention.
- FIG. 19 is a functional block diagram of one embodiment of a dementia test system of the present invention realized by the server'client system shown in FIG. 18.
- FIG. 3 is an external perspective view of a computer system that operates as a dementia detection device according to one embodiment of the present invention.
- a dementia detection apparatus as one embodiment of the present invention is realized by a combination of the hardware of the computer system 100 and software executed inside the computer system.
- the computer system 100 includes a main body 101 containing a CPU, a RAM memory, a magnetic disk, a communication board, and the like, a CRT display 102 for displaying a screen on a display screen 102a according to an instruction from the main body, Then, a keyboard 103 for inputting instructions from the subject and other operators and character information, and specifying an arbitrary position on the display screen to provide an instruction corresponding to an icon or the like displayed at that position. It has a mouse 104 for input.
- the main body 101 has a CD-ROM 105 (see FIG. 4) removably loaded therein, and a CD-ROM drive for driving the loaded CD-ROM 105.
- a dementia detection program is stored in the CD-ROM 105, and the dementia detection program is loaded into the CD-ROM 105 and stored in the CD-ROM 105 by the CD-ROM drive.
- the inspection program is installed in the magnetic disk of the computer system 100.
- the computer system 100 operates as one embodiment of the dementia detection device of the present invention.
- FIG. 4 is a hardware configuration diagram of the computer system 100 shown in FIG.
- the hardware configuration diagram includes a central processing unit (CPU) 111, a RAMI 12, a magnetic disk controller 113, a CD-ROM drive 115, a mouse controller 116, a keyboard controller 117, a display controller 118, and a communication controller. Boards 119 are shown, which are interconnected by a bus 110.
- the CD-ROM drive 115 has the CD-ROM 105 loaded therein and accesses the loaded CD-ROM 105.
- Communication board 119 is connected to a communication line.
- the test results of the subject performed by using this computer system are transmitted to a data storage server (not shown) via the communication board 119 to observe the progress of the subject and to monitor a large number of subjects. Used for statistical processing of examiners.
- FIG. 4 shows a magnetic disk 114 accessed by a magnetic disk controller 113, a mouse 104 controlled by a mouse controller 116, a keyboard 103 controlled by a keyboard controller 117, and a control by a display controller 118. Also shown is a CRT display 102.
- FIG. 5 is a functional block diagram of one embodiment of the dementia detection apparatus of the present invention, which is realized by executing the dementia detection program in the computer system shown in FIGS. .
- the answer obtaining unit 121 included in the dementia testing apparatus 120 shown in Fig. 5 obtains the subject's answer to both the first test chart and the second test chart, and the hardware is used.
- the keyboard 103 and the keyboard controller 117 or the mouse 104 and the mouse controller 116 shown in FIGS. 3 and 4 correspond to this.
- the above-mentioned first test chart is a test in which a character group constituting a story including a color word representing a color is colored in a plurality of colors so as to have the same color in each color word. ⁇ ⁇ It is necessary to determine whether or not the color of the characters constituting the above-mentioned color word that has the business sentence is the same color as the color represented by the color word, and objectively determine whether the judgment is correct or not.
- the second test chart consists of multiple questions related to the contents of the above-mentioned test sentence and multiple alternative answers prepared for each question. It consists of a combination.
- the dementia degree test unit 122 tests the degree of dementia of the subject based on the answer obtained by the answer acquisition unit 121, which indicates the degree of dementia.
- the magnetic disk 114 that stores the program for performing such a test, the CPU 111 that executes the program for performing such a test, and the like correspond to this.
- the sentence storage unit 123 stores the above-mentioned inspection sentence with the color thereof erased, and further stores a pretest first test chart and a pretest second test chart, respectively, which will be described later.
- the hardware corresponds to the magnetic disk 114 shown in FIG.
- the color information table storage unit 124 stores, when the first test chart is generated, the character group constituting the test sentence into a plurality of color sections by color, and the colors to be assigned to the color sections.
- a plurality of color information tables to be associated are stored.
- the way of dividing into a plurality of color sections is the same.
- the colors assigned to the corresponding color divisions in the color information tables are different.
- the correct answer to the determination as to whether or not the color associated with the color word included in the inspection sentence is the same color as the color represented by the color word is compiled over the entire inspection sentence.
- a table is attached to each color information table.
- the color information table storage unit 124 manages such a plurality of color information tables with serial numbers.
- the color information table storage unit 124 corresponds to the magnetic disk 114 shown in FIG.
- the first test chart generation unit 125 reads out the test text with the color erased from the text storage unit 123, and further reads a plurality of color information tables stored in the color information table storage unit 124. Select and read one color information table from the tables.
- the first test chart generation unit 125 associates the first test chart with the color information table selected when the subject was last examined.
- the color information table associated with the number following the given number is selected. Then, according to the color information table, a character group constituting the text for inspection whose color has been erased is classified into a plurality of colors and colored to complete the text for inspection.
- the first test chart generating unit 125 generates a first test chart by adding a predetermined question to the test sentence.
- the first test chart generation unit 125 uses the correct answer table attached to the color information table used to generate the first test chart as the correct answer table for the first test chart in FIG. Temporarily store in the indicated RAM or the like.
- the first test chart generation unit 125 corresponds to a magnetic disk 114 that stores a program for performing such processing, a CPU 111 that executes a program for performing such processing, or the like on the hardware. I do.
- a part configured by the text storage unit 123, the color information table storage unit 124, and the first test chart generation unit 125 corresponds to an example of the first test chart creation unit according to the present invention.
- the text range detection unit 135 detects a range in the text for inspection that can be read by the subject within a predetermined answer time limit for the first test chart.
- the response to the first test chart is made by the subject clicking the character in the test sentence displayed on the chart display unit 128 described later with the mouse 104.
- the sentence range detecting unit 135 receives the answer from the subject from the answer obtaining unit 121, and refers to the answer, and refers to the answer in the test sentence clicked by the subject within the above-mentioned predetermined answer time limit.
- the character is obtained, and the position of the character closest to the end of the sentence of the test sentence among the clicked characters is obtained by referring to the test sentence received from the first test chart generation unit 125.
- the sentence range detection unit 135 includes, on the hardware, a magnetic disk 114 that stores a program for performing such processing and a CPU 111 that executes a program for performing such processing. Equivalent to.
- the question storage unit 126 stores a plurality of types of question units that are capable of combining a question related to the story represented by the test sentence and a plurality of alternatively selected answers prepared for the question. It is something to memorize.
- each question unit is associated with a line in the sentence for inspection that describes the content related to the question unit.
- the plurality of types of question units are stored by being divided into a plurality of unit groups each including a predetermined number (for example, 5) of question units.
- each unit group is accompanied by a correct answer table that summarizes the correct answers for each of the multiple question units that make up the unit.
- the question storage unit 126 manages such a plurality of unit groups with serial numbers.
- such a question storage unit 126 corresponds to the magnetic disk 114 shown in FIG.
- the second test chart generation unit 127 selects one unit group from the plurality of unit groups stored in the question storage unit 126.
- the second test chart generation unit 125 corresponds to the number following the number associated with the unit group selected when the subject was last examined. Select the attached group of units.
- the second test chart generation unit 127 associates the line from the plurality of question units constituting the unit group selected here with the line within the sentence range detected by the sentence range detection unit 135. Complete the second test chart by further selecting the question units that are present. Further, the second test chart generation unit 127 collects the correct answers corresponding to each question unit selected as the second test chart among the correct answers described in the correct answer table attached to the selected unit group, Complete the correct answer table for this second certification chart.
- the second test chart generation unit 127 corresponds to a magnetic disk 114 that stores a program for performing such processing, a CPU 111 that executes a program for performing such processing, and the like on hardware.
- the part composed of the question storage unit 126 and the second test chart generation unit 127 corresponds to an example of the second test chart generation unit according to the present invention.
- the chart display unit 128 displays the first test chart and the second test chart.
- the CRT display 102 shown in FIGS. 3 and 4 corresponds to this on the hardware.
- the display of these charts is first executed from the first test chart.
- the response acquisition unit 121 completes acquiring the response to the first test chart
- the display of the second test chart is executed.
- the process of displaying the test charts in the chart display unit 128 in such an order is performed on the hardware by the CPU 111 or the like executing a program for performing such processes.
- the start instruction unit 129 first displays a message asking the subject whether to start inputting an answer to the first test chart on the chart display unit 128.
- a message indicating the start of answer input and the time limit for answer input is displayed in a chart.
- the first verification chart generated by the first verification chart generation section 125 is displayed on the chart display section 128.
- a message asking whether to start the input of the answer is displayed, the start of the input of the answer according to the operation of the subject in response to the message, and the input of the answer.
- the start instruction unit 129 corresponds to a hardware such as a magnetic disk 114 storing a program for performing such processing, a CPU 111 for executing a program for performing such processing, and the like.
- the response time control unit 130 displays the first test chart on the chart display unit 128 to monitor the elapsed time of the force, and when the elapsed time reaches a predetermined answer time limit, the response display unit 130 The first test chart is deleted from 128, and the acquisition of the answer from the subject in the answer acquisition unit 121 is stopped.
- the elapsed time from when the second test chart is displayed on the chart display section 128 is monitored, and when this time reaches a predetermined answer time limit, the second test chart is deleted from the chart display section 128 and the answer acquisition section is deleted. Stop obtaining responses from the subject in 121.
- the response time control unit 130 corresponds to a magnetic disk 114 that stores a program for performing such processing, a CPU 111 that executes a program for performing such processing, and the like on hardware.
- the result display unit 131 displays the dementia degree test result obtained by the dementia degree test unit 122.
- the CRT display 102 shown in FIGS. 3 and 4 corresponds to this.
- the examination permission determining unit 132 permits and prohibits the examination of the applicant, depending on whether or not a predetermined period has elapsed since the previous examination.
- the magnetic disk 114 stores a program for performing such processing, the CPU 111 for executing a program for performing such processing, and the like.
- the dementia degree storage unit 133 stores the correspondence between the answers to both the first test chart and the second test chart and the degree of dementia.
- the disk 114 and the like correspond to this.
- the dementia degree test unit 122 refers to the dementia degree storage unit 133 and examines the subject based on both the first test chart and the second test chart of the subject obtained by the answer acquisition unit 121. The degree of dementia of the elderly.
- the pretest execution unit 134 reads the first pretest test chart and the second pretest chart from the text storage unit 123, and outputs these charts to the chart display unit 128.
- the pre-test which is a series of processes such as display, acquisition of answers to these charts by the answer acquisition unit 121, and dementia degree examination by the dementia degree examination unit 122 based on the answers to these charts, is performed.
- the magnetic disk 114 that stores a program that performs such processing, the CPU 111 that executes a program that performs such processing, and the like correspond to this.
- the first test chart for pre-test and the second test chart for pre-test have the same configuration as the above-mentioned first test chart and second test chart, respectively.
- the first test chart for pretest and the second test for pretest are generated.
- the chart only a previously created chart is fixedly stored in the text storage unit 123.
- each of the first and second pre-test charts is accompanied by a correct answer table that summarizes the correct answers to each chart.
- the dementia testing apparatus 120 shown in Fig. 5 is configured as described above, and In testing for the degree of bull's eye, the following operation is performed.
- FIG. 6 is a flowchart showing the operation of the dementia detection device in detecting the degree of dementia of the subject.
- a candidate who wants to take the test inputs personal data such as name, age, gender, occupation, etc. (Step S100). Once a candidate has taken the test, the ID number is given to that person.
- the present embodiment also supports the input of personal information as described above, and also supports the input of an ID number instead of personal information. Therefore, applicants who have taken the test before can substitute various personal information by inputting their ID number from the next time.
- the examination permission determination unit 132 searches for a past examination history of the examination applicant (step S101). Next, it is determined whether or not the applicant has taken the test within a predetermined period within the past one month (step S102). If the test was taken (Yes in step S102), the The examination permission determining unit 132 causes the chart display unit 128 to display a message indicating that the current applicant cannot take the examination (step S103), and ends the current dementia degree inspection process. This is because even if the test is taken a plurality of times in a short period of time, the effect is not effective. Further, not only is there no effect, but there is a possibility that an erroneous test result may be produced by getting used to this test.
- step S102 If the applicant has taken the test for the first time, or if one month has passed since the last time the test was taken (No in step S102), the test is permitted.
- step S104 the pretest using the first and second pretest test charts described above is first performed (step S104). . Details of this pretest will be described later.
- the above-mentioned start instructing unit 129 requires the subject to determine the ability to start a real test or to determine whether to perform a re-pretest (step S105). . If the subject desires a re-pre-test (No in step S105), the pre-test (step S104) is executed again, and when the pre-test is completed, whether or not to start a production test on the subject again Judgment is required. Thus, the pretest is It is repeated as many times as desired by the examiner. This allows the subject to remember the operation of the dementia detection device.
- step S105 when the subject desires to start a real test (Yes determination in step S105), first, the first test chart generation unit 125 generates the first test chart, The display of the one test chart on the chart display section 128 is executed (step S106).
- the test text read out of the text storage unit 123 and having the color erased is colored according to the color information table read from the color information table storage unit 124. Thereby, the inspection sentence is completed.
- the first test chart is created by adding a predetermined question sentence to this test sentence.
- the correct answer table attached to the color information table used here is temporarily stored in the RAMI 12 shown in FIG. 4 as the correct answer table for the first test chart. Is stored.
- the first test chart generation unit 125 provides the same subject with the color information table used when the subject last took the test. A different color information table is selected from the plurality of color information tables, and the first test chart is created according to the color information table. This is because every time a test is performed using a test sentence colored in the same pattern,
- the subject When the first test chart is displayed on the chart display section 128, the subject operates the keyboard 103 or the mouse 104 constituting the answer obtaining section 121 to respond to the first dementia degree test chart. Enter the answer (step S107).
- the response time control unit 130 starts monitoring the elapsed time. Then, it is determined whether or not the elapsed time reaches 90 seconds, which is the answer limit time for answer input (step S107). If the elapsed time is less than 90 seconds (Step S108 In the determination of No in), the acquisition of the response from the subject by the response acquisition unit is continued while the first test chart is displayed on the chart display unit 128.
- step S108 If the elapsed time has reached 90 seconds (Yes determination in step S108), the first test chart is deleted from the chart display section 128, and the acquisition of answers in the answer income section is stopped. Then, the answer obtaining unit 121 passes the answer input within the answer time limit to the dementia degree testing unit 122 and the sentence range detecting unit 135.
- the sentence range detection unit 135 detects a range in the test sentence that the subject can read within the predetermined answer time limit (90 seconds) for the first test chart (scan). Step S108—1).
- the sentence range detection unit 135 refers to the response of the subject power received from the response acquisition unit 121, and detects a plurality of characters in the test sentence clicked by the subject within the above-described predetermined response time limit. Get the position of the character closest to the end of the sentence. Then, the range from the first line in the test sentence to the line in which this character is described is defined as the sentence range that the subject can read within the answer time limit.
- the text range detection unit 135 passes the information representing the text range to the second test chart generation unit 125.
- each question unit consisting of a combination of a question related to the story represented by the test sentence and a plurality of answers prepared for the question consists of a predetermined number of question units.
- the second test chart generation unit 125 reads one unit group from the question storage unit 126 divided and stored in a plurality of unit groups. Then, the second test chart generation unit 125 is associated with a line within the text range detected by the text range detection unit 135 from among the plurality of question units constituting the unit group selected here. Complete the second test chart by further selecting the question units.
- the second test chart generation unit 125 selects the correct answer from the correct answer table attached to the selected unit group as the second test chart.
- the correct answers corresponding to each of the question units are compiled to complete the correct answer table for this second test chart.
- the completed correct answer table is temporarily stored in the RAM or the like shown in FIG. 4, and the input of the answer to the second test chart is started from now on.
- a message informing the subject of the response time limit (1 minute) for inputting the answer is displayed on the chart display section 128 by the start instruction section 129, and then the second test chart is displayed on the display section 128.
- the second test chart generator generates, for the same subject, a unit group different from the unit group used when the subject last took the test. Is selected from a plurality of unit groups, and this unit group is used to create the second test chart this time. This is because every time a test is performed using the second test chart with the same contents, the subject may memorize the answer of the second test chart, which may result in an incorrect test result. is there.
- the subject inputs a response next (step S110).
- the answer to this second test chart also has an answer time limit.
- the time limit for answering the second test chart is one minute.
- the response time control unit 130 determines whether or not the elapsed time from the start of the display of the second test chart on the chart display unit 128 has reached the response limit time of 1 minute (step S111). If the response time is less than 1 minute (No in Step S111), input of the response from the subject in the response acquisition unit is continued, and if the elapsed time reaches 1 minute (Yes in Step S111). Deletes the second test chart from the chart display section 128 and stops obtaining the answer in the answer income section. Then, the answer acquiring unit 121 passes the answer input within the answer time limit to the dementia degree examining unit 122.
- the dementia degree test unit 122 determines the degree of dementia of the subject (step S1). S112).
- the correct answer table for each of the first test chart and the second test chart temporarily stored in the RAM 112 shown in FIG. 4 is read, and each correct answer table is compared with the answer from the subject.
- a plurality of types of indices which are the basis of the determination of the degree of dementia are extracted, and it is determined whether the index has passed or failed based on a comparison between these indices and a reference value for each index.
- the reference value for each index is stored in the dementia degree storage unit 133 shown in FIG.
- “pass” means that the subject is not suspected of dementia
- “fail” means that the subject is suspected of dementia and requires a detailed examination. The details of this determination processing will also be described later.
- step S113 Depending on whether the result of the determination in step S112 is pass or fail (S113), if the result is acceptable (Yes determination in step S113), a message indicating that fact is displayed as a result. The result is displayed in the section 131 (step S114), and the dementia degree test processing ends. If the result is unsuccessful (No determination in step S113), a message indicating that rejection is required and a message indicating that a detailed inspection is necessary are displayed on the result display unit 131 (step S113). SI 15), the dementia degree test processing ends.
- FIG. 7 is a flowchart showing the pretest process.
- the pretest execution unit 134 reads out the first test chart for pretest from the text storage unit 123 and displays it on the chart display unit 128 (step S116).
- the response acquisition unit starts acquiring responses from the subject (step S117), and monitors the time elapsed from the start of display of the first test chart for pretest ( Step S118) is started. If the elapsed time is less than 60 seconds (No judgment in step S118), the acquisition of the answer is continued, and when it reaches 60 seconds (Yes judgment in step S118), the first test for pretest is displayed from the chart display unit 128. The chart is erased, and the acquisition of the answer by the answer acquiring unit is stopped. In the 60 seconds, the response from the subject accepted by the response acquisition unit is passed to the dementia degree test unit 122.
- the pretest execution section 134 reads the pretest second verification chart from the text storage section 123 and displays it on the chart display section 128 (step S119).
- the subject's response process to the second test chart for pretest (Step S120) and monitoring of the elapsed time from the start of display of the second test chart for pretest (Step S121) are described above. Since the processing is the same as that of steps S117 and S118, the description is omitted here. However, the answer time limit in the process of step S121 is 30 seconds.
- the first pre-test test questionnaire performed by the subject within the response time limit The dementia degree test unit 122 determines whether the subject has passed or failed based on the responses to both the test and the second pretest test chart (step S122). This determination process is the same as the pass / fail determination process (step S112) in the actual test described with reference to FIG. 6, and thus the description thereof is omitted here. However, the correct answer tables for the first test chart for pre-test and the second test chart for pre-test used for this judgment processing are, as described with reference to Fig. 5, the first test chart for pre-test. And the second pre-test chart.
- FIG. 6 shows the message distribution process based on the determination result (step S123), the pass message display process (step S124), and the reject message display process (step S125) after the process of step S122. Since the processing is the same as the processing in step S113, step S114, and step S115, the description is omitted here.
- FIG. 8 is a diagram showing an example of the first test chart generated by the first test chart generation unit shown in FIG. 5 and displayed on the chart display unit.
- the first test chart shown in Fig. 8 is a test chart in which character groups constituting a story including a color kanji representing a color are colored in multiple colors, and characters other than the color kanji are colored black.
- the color represented by the color kanji matches the color of the color kanji itself, and some of the colors differ. For example, a plurality of "green” characters appear, but one of the "green” characters is colored green, and another "green” character is It is colored in various colors other than green. The same applies to other characters such as “red”, “brown”, and “blue”.
- the subject first extracts the color kanji from the inspection sentence 8b, and matches the color represented by the color kanji with the color of the color kanji itself. It is checked whether they are present or not, and the color kanji is clicked with the mouse 104 shown in FIG. 4 to input the check result. That is, the subject is asked to extract the color kanji and the meaning of the extracted color kanji. It is necessary to have the ability to distribute three types of attention, that is, grasping the color and judging the color of the color kanji. Such a test is effective for determining the function of the frontal lobe that causes dementia due to functional decline.
- the sentence range detection unit 135 shown in FIG. 5 is configured to detect a plurality of color kanji in the inspection sentence clicked by the subject within the predetermined answer time limit or other clicked erroneous characters. The character closest to the end of the sentence of the test sentence among the characters of is extracted. Then, the range from the first line in the inspection sentence 8b to the line in which this character is described is extracted as the sentence range that the subject can read within the answer time limit.
- the colors to be colored for each color kanji are set to be different for each test as described above. As a result, it is possible to suppress the repetitive learning effect of the subject.
- the subject is required to be able to memorize the story represented by the test sentence 8b, and to distribute the attention.
- the color information table read out from the color information table storage unit 124 that stores a plurality of color information tables the text for inspection whose color has been erased is colored. By doing this, the test sentence is completed, and the first test chart is generated by adding a predetermined question sentence to this test sentence.
- the color information table read out from the color information table storage unit 124 that stores a plurality of color information tables
- FIG. 9 is a diagram showing an example of the color information table.
- the first to third color information tables are shown in parts (A) and (C) of FIG. 9, respectively.
- a plurality of colors are associated with the color classification of color kanji, which represents a color in a common inspection sentence in which colors have been erased, and characters other than color kanji are called characters. All of the color classifications are associated with a single color "black”.
- the above-described color kanji corresponds to an example of a color word according to the present invention.
- each color information table includes a fourth color information table generated using each color information table.
- Attached are the correct answer tables T1 and T3 that summarize the correct answers in one test chart.
- the correct answer shown in each color information table shown in FIG. 9 is for the question sentence 8a in FIG.
- the colors represented by the respective color kanji for the “green” and “blue” kanji shown in the table are as follows. Different colors are associated, and “X” is associated with these color kanji in the attached correct answer table T3. In addition, “blank” is associated with characters other than the color kanji.
- the third color information table is associated with 3 as an identification number.
- the above three colors are stored in the color information table storage unit 124 shown in FIG.
- An information table is stored.
- the first test chart generation unit 125 selects one type of color information table from these three types of color information tables, and colors the text for inspection whose color has been erased according to the color information table.
- the color information table associated with the number next to the number associated with the color information table selected when the subject was last examined is selected. For example, if the number associated with the color information table selected at the time of the previous examination was 1, the color information table selected this time is the second color information table associated with 2. This suppresses erroneous diagnosis due to the subject getting used to the test.
- a color classification in a plurality of color information tables a plurality of colors are associated with a color kanji representing a color, and a single color is associated with a character other than the color kanji.
- An example has been described. However, this color coding is not limited to this.
- color classification other than the color classification described in the present embodiment will be briefly described.
- FIG. 10 is a diagram showing an example of color classification in the color information table.
- FIG. 10 shows two types of color coding.
- Part (A) of Fig. 10 shows a color-coding example in which the color of the inspection text whose color has been erased is changed and associated with each character string delimited by the reading point in the text.
- the character string from the beginning of the sentence to the point where the reading point appears is associated with green, including the reading point, and red is associated with the character following the reading point, You.
- Part (B) of Fig. 10 shows an example of color coding in which a color-erased test sentence is associated with a different color for each character string delimited by a punctuation mark in the sentence.
- the character string from the beginning of the sentence to the point where the punctuation appears is associated with green, including that punctuation, and red is associated with the character following this punctuation.
- the reading points and the punctuation marks in the color-coding examples shown in parts (A) and (B) of FIG. 10 correspond to an example of a specific type of character according to the present invention.
- FIG. 11 is a diagram showing an example of a test sentence that is colored by changing the color for each character string delimited by a punctuation mark in the sentence. This corresponds to the example of color coding shown in part (B) of FIG.
- the test sentences shown in FIG. 11 and the test sentences shown in FIGS. 8-9 have slightly different stories represented by the respective sentences. But this This does not relate to the essence of the present invention.
- FIG. 12 is a diagram showing an example of a test sentence expressed in English.
- Part (A) of Fig. 12 shows a test sentence
- part (B) of Fig. 12 shows a color information table corresponding to the test sentence.
- This test sentence includes color words representing the colors “red” and “green”. And
- the test sentence is color-coded by coloring these color words and characters other than the color words.
- red is associated with the color word “red”, and characters other than the color word are associated with a single color of black.
- the color information table has the above-described correct answer table attached thereto. Characters other than color words are associated with blanks, and red are associated with red and red. Is associated with “ ⁇ ”.
- FIG. 13 is a diagram showing an example of the second test chart generated by the second test chart generator shown in FIG. 5 and displayed on the chart display unit following the first test chart shown in FIG. It is.
- FIG. 13 shows a second test chart including five questions and an answer group including a plurality of answers alternatively selected for each question.
- the attention distribution ability of memorizing the story represented by the test sentence 8b shown in Fig. 8 indicates that the subject can answer the second test chart within a predetermined answer time limit (one minute in this embodiment). Judgment is made from the answer given in).
- the answer group prepared for each question includes:
- the option of “I do not know” is provided as an option to answer that the answer is unknown. This suppresses a decrease in the reliability of the test result for the degree of dementia due to the subject accidentally selecting the correct answer even though the answer to the question is unknown.
- the question storage unit 126 stores a combination of a question related to the content of the test sentence and a plurality of answers prepared for the question.
- the question units are divided into a plurality of unit groups each consisting of a predetermined number of question units, and are stored.
- the second test chart generation unit 127 selects one unit group from the question storage unit 126 and generates a second test chart based on the unit group.
- the question storage unit 126 stores three types of unit groups described below. When the second test chart generation unit shown in FIG. Refers to the type of unit group. Hereinafter, examples of each of these three types of unit groups will be described.
- FIG. 14A is a diagram showing a first unit group of the three types of unit groups
- FIG. 14B is a diagram showing a second unit group of the three types of unit groups
- FIG. 14-C is a diagram showing a third unit group among the three types of unit groups.
- each unit group consists of five question units. Further, each question unit is associated with a line in the inspection sentence 8b shown in FIG. 8 in which the content related to each question unit is described.
- the correspondence between each question unit constituting the first unit group shown in FIG. 14A and the line in the inspection sentence 8b is as follows. That is, the one-item question unit is associated with the second line of the inspection sentence 8b shown in FIG.
- the two-item question unit is on the fourth line
- the three-item question unit is on the fifth line
- the four-item question unit is associated with the seventh line
- the five-item question unit is associated with the ninth line.
- Such correspondences are summarized in the first position table and attached to this unit group.
- the unit groups shown in Fig. 14-B and Fig. 14-C also include A second position table and a third position table are attached as table tables for associating lines with the contents related to each question unit in sentence 8b.
- Each unit group is attached with a correct answer table corresponding to each unit group. Further, each of the unit groups is associated with one of the serial numbers of 13 as an identification number.
- the above-described three types of unit groups are stored in the question storage unit 126 shown in FIG.
- the second test chart generation unit 127 first selects one type of unit group from these three types of unit groups.
- the sentence range detection unit 135 detects a sentence range in the test sentence that the subject can read within a predetermined answer time limit (90 seconds) for the first test chart.
- this sentence range is represented by the number of lines of the first line in the test sentence.
- the second test chart generation unit 127 is detected by the sentence range S and the text range detection unit 135 indicated by the position table from the plurality of question units constituting the unit group selected here. Complete the second test chart by further selecting question units within the sentence range. For example, assume that the first unit group shown in FIG. 14A is selected by the second test chart generation unit 127. Furthermore, it is assumed that the sentence range detected by the sentence range detection unit 135 is the first line and the third line. Then, the second test chart generation unit 127 outputs, from among the plurality of question units constituting the unit group, the question unit of 1 to 3 items in which the row indicated by the first position table is within the above sentence range. Further select to complete the second test chart. As a result, the test result for the degree of dementia was reduced because the subject accidentally answered the correct answer to the question related to the part of the test sentence 8b that the subject could not read, even though the answer was unknown. Is suppressed.
- a correct answer table for the completed second test chart is generated as follows. For example, it is assumed that the completed second test chart is one in which one to three question units are selected from the plurality of question units constituting the first unit group. At this time, from among the correct answers listed in the first correct answer table attached to the first unit group, the correct answer corresponding to each question unit from 1 to 3 items is selected, and the second test chart is obtained. A corresponding answer table is generated. [0167] Such a second test chart is displayed on the chart display section 128 shown in FIG. Here, the second test chart shown in FIG. 13 corresponds to the first unit group shown in FIG. 14-A. The second test chart shown in Figure 13 shows all five question units. This means that in the test using the first test chart shown in FIG. 8 performed prior to the generation of the second test chart, the subject has read the test sentence 8b to the last line.
- a unit group associated with a number next to the number associated with the unit group selected when the subject was last examined is selected. You. For example, assuming that the unit number is associated with the unit group selected at the time of the previous examination, the unit group selected this time is the second unit group to which 2 is associated. This suppresses erroneous diagnosis due to the subject getting used to the test.
- FIG. 15 is a flowchart showing the determination process.
- the subject's response to the first and second test charts is obtained from a plurality of indices described below, and each index is stored in the RAM shown in Fig. 4. Is compared with a reference value corresponding to the index described in the correct answer table. First, a determination process based on a response from the subject to the first test chart is performed.
- step S126 First, among the answers given by the subject within the predetermined answer time limit (90 seconds), among the answers given " ⁇ ” or "X” for the color word, It is determined whether or not the number of correct answers, which is the number of answers that match the “ ⁇ ” or “X” described in the correct answer table, is equal to or greater than a reference value described later (step S126). . If the result of this determination is that the number of correct answers is less than the reference value (No determination in step S126), the determination result is rejected (step S127), and this determination processing ends. [0174] If the number of correct answers is equal to or greater than the reference value (Yes determination in step SI26), among the answers of the examinee's power, the answer of " ⁇ " or "X” to the color word is given.
- step S1208 it is determined whether or not the number of incorrect answers, which is the number of answers that do not match the “ ⁇ ” or “X” described in the correct answer table, is equal to or less than a reference value described later. If the result of this determination is that the number of incorrect answers exceeds the reference value (No determination in step S128), this determination processing ends via step S127.
- step S129 it is determined whether or not the number of oversights, which is the number of the answers from the subject “blank”, is equal to or less than a reference value described later (step S129).
- the number of oversights includes the number of color words included in the part that the subject could not read within the answer time limit described above. If the result of this determination is that the number of oversights exceeds the reference value (No determination in step S129), this determination processing ends via step S127.
- step S129 When the number of oversights is equal to or less than the reference value (Yes determination in step S129), the number of characters that the subject mistakenly sees, that is, the number of color words, even if they are characters other than color words, First, it is determined whether or not the number of viewing errors, which is the number of those who answered “ ⁇ ” or “X” from the subject, is equal to or less than the reference value described later (step S132). As a result of this determination, if the number of errors exceeds the reference value (No determination in step S132), step S
- This determination processing ends after 127.
- step S132 If the number of viewing errors is equal to or less than the reference value (Yes determination in step S132), a determination process based on a response from the subject to the second test chart is performed.
- step S130 it is determined whether or not the number of semantic grasps, which is the number of correctly answered questions related to the story represented by the inspection sentence, is equal to or greater than a reference value described later (step S130). ). If the result of this determination is that the number of meanings is less than the reference value (No determination in step S130), the present determination process ends via step S127.
- step S130 If the number of meanings is equal to or greater than the reference value (Yes determination in step S130), the determination result is passed (step S131), and this determination processing ends.
- FIG. 16 shows a reference value for each determination item referred to in the determination process shown in FIG. It is a figure showing a reference value table.
- the reference values for the five indexes of the number of correct answers, the number of incorrect answers, the number of oversights, the number of errors, and the number of meanings, respectively, are shown from the 20s to 90s. It is shown for each age in 10-year increments up to the age. In the present embodiment, the determination process is performed with reference to a reference value corresponding to the age of the subject.
- the reference value table shown in FIG. 16 has the dementia degree storage unit 13 shown in FIG.
- the highly accurate dementia degree test using the number of unknown correct answers is performed by using the number of semantic grasps and the number of unknown correct answers to obtain the total number of responses made by the subject to the second test chart. This is done by finding the semantic grasp rate, which is the percentage of correct answers in the survey. That is, using the total number of questions presented to the subject in the second test chart, the number of correct answers, and the number of meanings, the above semantic grasping rate is calculated by the following equation.
- Semantic grasp rate semantic grasp number Z (total number of questions-number of correct answers unknown)
- This semantic grasp rate is an index that indicates more accurately how much the subject understands the above-mentioned test sentence.
- this semantic grasp rate is an index that indicates more accurately how much the subject understands the above-mentioned test sentence.
- this semantic grasp rate in addition to comparing and judging the above five indices with the reference values shown in FIG. 16, by comparing and judging this semantic grasp rate with a reference value not shown, dementia with higher accuracy A degree test result can be obtained.
- pretest verification chart used in a pretest to be performed before the actual test.
- FIG. 17 shows the first test chart for pretest and the second test chart for pretest used in pretest. It is a figure showing an example of a yat.
- Part (A) of FIG. 17 shows a first test chart for pretest
- Part (B) of FIG. 17 shows a second test chart for pretest.
- the first test chart for pretest and the second test chart for pretest have the same configuration as the first test chart and the second test chart, respectively.
- a pretest using the pretest test chart is performed before the actual test in order to make the subject familiar with the operation of the dementia test apparatus 100. .
- the details of the processing have been described with reference to the flowchart in FIG. 7 and will not be described here.
- FIG. 18 is a configuration diagram of a server'client system that operates as one embodiment of the dementia testing system of the present invention.
- Each of the computer systems 200, 300, 400, and 500 has a CPU, RAM memory, and magnetic disk.
- a mouse 204, 304, 404, 504 for inputting an instruction corresponding to an icon or the like displayed at the position is provided.
- each computer system 200, 300, 400, 500 is essentially
- the hardware configuration is the same as that of the computer system 100 shown in FIG. 1 (see FIG. 2), and the detailed description is omitted here.
- FIG. 19 is a functional block diagram of one embodiment of the dementia detection system of the present invention realized by the server'client system shown in FIG. Here, only one dementia detection client is typically shown.
- the dementia test system 700 shown in Fig. 19 includes a dementia test server 710 and a dementia test client. Ant is composed of 730 and power.
- the dementia detection server 710 constituting the dementia detection system 700 includes a text storage unit 711, a color information table storage unit 712, a first test chart generation unit 713, a question storage unit 714, and a second test chart generation unit. 715, a chart storage section 716, a chart transmission section 716, an answer reception section 718, a dementia degree test section 719, a dementia degree storage section 720, a result transmission section 721, an examination permission determination section 722, and a text range detection section 723. ing.
- the permission determination unit 722 and the sentence range detection unit 723 constitute the sentence storage unit 123, the color information table storage unit 124, and the first test chart generation unit, respectively, which constitute the dementia degree test device 120 shown in FIG. 125, a question storage unit 126, a second test chart generation unit 127, a dementia degree test unit 122, a dementia degree storage unit 133, an examination permission determination unit 132, and a sentence range detection unit 135, which have the same functions as those of Here, the overlapping description is omitted.
- test permission determining unit 721 determines whether to permit or prohibit the test based on the personal information transmitted from the dementia test client 720, and when the test is prohibited, the first and second charts from the chart transmitting unit 716. Transmission of the two test charts and the first and second test charts for pretest is prohibited.
- the first test chart and the second test chart generated by the first test chart generator 713 and the second test chart generator 715 are temporarily stored in the chart storage unit 716. Is stored in Then, when the test is permitted, the chart transmitting unit 717 transmits the first and second test charts for pretest stored in the text storage unit 711 and the first and second test charts stored in the chart storage unit 716. And the second test chart are transmitted to the dementia detection client 730, and the response receiving unit 718 receives the response to the transmitted test chart from the dementia test client 730, and The transmitting unit 721 transmits the dementia degree test result obtained by the dementia degree test unit 720 to the dementia test client 730. On the hardware, all are mainly used as the dementia test server 710. The communication board of the operating computer system (see Figure 2) corresponds to them.
- the dementia test client 730 included in the dementia test system 700 receives the chart.
- the chart display unit 732, the start instruction unit 733, the response time control unit 734, the answer acquisition unit 735, the pretest execution unit 737, and the result display unit 739 are provided in the dementia detection device 120 shown in FIG. , Respectively, have the same functions as the chart display unit 128, the start instruction unit 129, the response time control unit 130, the response acquisition unit 121, the pretest execution unit 134, and the result display unit 131. Is omitted.
- the chart receiving unit 731 receives the dementia degree test chart transmitted from the dementia test server 710 via the communication line 600, and the response transmitting unit 736 includes the response obtaining unit 734. Is transmitted to the dementia test server 710, and the result receiving unit 738 receives the dementia degree test result transmitted from the dementia test server 710.
- the communication board (see Fig. 2) of the computer system configured as the dementia test client 730 is mainly responsible for the hardware.
- the procedure of the dementia degree test is the same as that of the dementia test apparatus shown in Fig. 3 except that communication is performed via communication line 600, and a description thereof will be omitted.
- the subject uses his or her personal computer connected to the dementia testing server 710 by the communication line 600 as the dementia testing client. It can be used as a 730, for example, to test for your own dementia while at home.
- the subject's power performed on the first test chart is used as an example.
- the sentence range detecting unit according to the present invention is not limited to this. Absent. For example, when responding to the first test chart, the subject himself / herself clicks on the last character of the text range that can be read within the predetermined response time limit with a mouse, etc.
- a sensor for detecting the position of the viewpoint of the subject moving on the test sentence displayed on the display when answering the first test chart is further provided, and the detection is performed within a predetermined answer time limit.
- the position closest to the end of the sentence is extracted from the subject's viewpoint positions, and the line closest to the extracted position among the lines in the test sentence is obtained.
- the range from the first line to the obtained line may be a range of sentences that can be read by the subject within a predetermined response time limit.
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Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04770978.7A EP1649813B1 (en) | 2003-07-28 | 2004-07-28 | Dementia check apparatus |
| KR1020067001852A KR100735647B1 (ko) | 2003-07-28 | 2004-07-28 | 치매 검사 장치, 치매 검사 서버, 치매 검사 클라이언트 및치매 검사 시스템 |
| US10/566,395 US20060194176A1 (en) | 2003-07-28 | 2004-07-28 | Dementia inspection apparatus dementia inspection server dementia inspection client and dementia inspection system Dementia check device, dementia check server, dementia check client, and dementia check system |
| CA002534051A CA2534051A1 (en) | 2003-07-28 | 2004-07-28 | Dementia inspection apparatus, dementia inspection server, dementia inspection client and dementia inspection system |
| CN200480020902A CN100591285C (zh) | 2003-07-28 | 2004-07-28 | 痴呆检查装置、痴呆检查服务器及客户机、痴呆检查系统 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003280626A JP4387720B2 (ja) | 2003-07-28 | 2003-07-28 | 痴呆検査装置、痴呆検査サーバ、痴呆検査クライアント、および痴呆検査システム |
| JP2003-280626 | 2003-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005009247A1 true WO2005009247A1 (ja) | 2005-02-03 |
Family
ID=34100882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/010715 Ceased WO2005009247A1 (ja) | 2003-07-28 | 2004-07-28 | 痴呆検査装置、痴呆検査サーバ、痴呆検査クライアント、および痴呆検査システム |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20060194176A1 (ja) |
| EP (1) | EP1649813B1 (ja) |
| JP (1) | JP4387720B2 (ja) |
| KR (1) | KR100735647B1 (ja) |
| CN (1) | CN100591285C (ja) |
| CA (1) | CA2534051A1 (ja) |
| WO (1) | WO2005009247A1 (ja) |
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| CN100360076C (zh) * | 2005-04-01 | 2008-01-09 | 浙江工业大学 | 计算机辅助早期鉴别和预测老年性痴呆的装置 |
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| JP2009251668A (ja) * | 2008-04-01 | 2009-10-29 | Ntt Docomo Inc | 表示制御装置及び表示制御方法 |
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| EP2438863A1 (en) | 2010-10-05 | 2012-04-11 | Phibio Science AB | System and methods for analysis of pause time durations in speech. |
| KR101246358B1 (ko) * | 2010-12-30 | 2013-03-21 | 서울대학교병원 (분사무소) | 인지 기능 향상용 훈련 관리 장치, 진료 통합 장치 및 훈련 시스템 |
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| CN105078479B (zh) * | 2014-04-21 | 2021-05-28 | 麦克赛尔株式会社 | 脑功能障碍评价装置 |
| KR101647193B1 (ko) * | 2014-08-12 | 2016-08-10 | 이화여자대학교 산학협력단 | 신경 언어 장애군을 위한 문장 기반 치료 보조 장치 및 방법 |
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| KR102255405B1 (ko) * | 2018-11-29 | 2021-05-24 | 의료법인 성광의료재단 | 인지 능력 훈련 장치 및 방법 |
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| US9191479B2 (en) | 2005-12-05 | 2015-11-17 | Inventel | Telephone handset, base and associated method for updating the software of the handset |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4387720B2 (ja) | 2009-12-24 |
| CN1835714A (zh) | 2006-09-20 |
| EP1649813A1 (en) | 2006-04-26 |
| EP1649813B1 (en) | 2016-04-13 |
| KR20060033918A (ko) | 2006-04-20 |
| US20060194176A1 (en) | 2006-08-31 |
| EP1649813A4 (en) | 2010-04-07 |
| JP2005046289A (ja) | 2005-02-24 |
| CA2534051A1 (en) | 2005-02-03 |
| KR100735647B1 (ko) | 2007-07-06 |
| CN100591285C (zh) | 2010-02-24 |
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