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The Cambridge Neuropsychological Test Automated Battery (CANTAB), [1] originally developed at the University of Cambridge in the 1980s but now provided in a commercial capacity by Cambridge Cognition, is a computer-based cognitive assessment system consisting of a battery of neuropsychological tests, administered to subjects using a touch screen computer.
The test was used in 1944 for assessing general intelligence, and was part of the Army Individual Test of General Ability. [3] In the 1950s [4] [5] researchers began using the test to assess cognitive dysfunction stemming from brain damage, and it has since been incorporated into the Halstead–Reitan battery. [3]
It is scored out of 100, with a higher score denoting better cognitive function. At the recommended cut-off scores of 88 and 83, the ACE was reported to have good sensitivity and specificity for identifying different forms of dementia and other impairments of memory and judgement (0.93 and 0.71; 0.82 and 0.96, respectively). [ 5 ]
The Wechsler Test of Adult Reading (WTAR) is a neuropsychological assessment tool used to provide a measure of premorbid intelligence, the degree of Intellectual function prior to the onset of illness or disease. [1]
Psychological tests such as the WCST, administered alone, cannot be used to measure the effects of a frontal lobe injury, or the aspects of cognitive function it may affect, such as working memory; a variety of tests must be used. [17] [30] [31] A participant may be good at one task but show dysfunction in executive function overall. Similarly ...
The 15-minute assessment consists of four cognitive and neuropsychological tests: Detection, Identification, One Card Learning, and One Back. [5] Each test measures functions in areas such as attention, visual learning, and working memory, [6] and is designed specifically for repeated assessment.
The standard battery of tests lasts 18 minutes. The CDR system tasks have proven validity in definitively measuring cognitive function in a variety of domains including attention, working memory, episodic secondary memory, executive function, and motor skill. In September, 2009, Cognitive Drug Research was acquired by United BioSource Corporation.
The informant interview is to be conducted if further information about the patient's function is required (i.e. cognitive test score 5 to 8). It consists of six questions which can be answered with “yes” (=impairment), “no” (=no impairment), “don’t know” or “N/A”. Each question is worth one point.