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Trail Making Test
The Trail Making Test is a neuropsychological test of visual attention and task switching. It consists of two parts in which the subject is instructed to connect a set of 25 ''dots'' as fast as possible while still maintaining accuracy. It can provide information about visual search speed, scanning, speed of processing, mental flexibility, as well as executive functioning.〔 It is also sensitive to detecting several cognitive impairments such as Alzheimer's disease and dementia.
== History ==
The test was used in 1944 for assessing general intelligence (and was part of the Army Individual Test of General Ability).〔 Starting in the 1950s〔R. M. Reitan, R. M. (1955). The relation of the trail making test to organic brain damage. Journal of Consulting Psychology〕
〔Reitan R. M. (1958). Validity of the Trail Making test as an indicator of organic brain damage. Percept. Mot Skills, 8, 271-276.〕 researchers began using the test to assess cognitive dysfunction stemming from brain damage, and it has since been incorporated into the Halstead-Reitan battery.〔 The Trail Making Test is now commonly used as a diagnostic tool in clinical settings. Poor performance is known to be associated with many types of brain impairment; in particular frontal lobe lesion.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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