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Construct Validity of a New Computer-assisted Cognitive Assessment Battery in Normal Adults Shinichiro MAESHIMA 1,2 , Norihiko KOMAI 1 , Kunio NAKAI 1 , Yoshinori OURA 1 , Mari NAKAGAWA 1 , Toru ITAKURA 1 , Osamu MASUO 2 , Hiroo YAMAGA 2 , Ryuji OKITA 2 , Fuminori OZAKI 2 , Hiroshi MORIWAKI 2 1Department of Neurological Surgery, Wakayama Medical College 2Department of Neurological Surgery, Hidaka General Hospital Keyword: computer-assisted battery , neuropsychological tests , cognitive impairment pp.41-47
Published Date 1999/1/10
DOI https://doi.org/10.11477/mf.1436902505
  • Abstract
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A computer-assisted battery for neuropsychological tests (CNT) has been designed to screen adults forcognitive impairment.

The aim of this study was to gather evidence for the construct validity of CNT and also investigate therelationship between CNT and conventional neuropsychological tests. Subjects were 45 healthy adults (21men and 24 women), who ranged in age from 20 to 70 years (mean=33.5, SD=1.9) with no history ofsubstance abuse, or of psychotic or neurological disorders. The CNT in our study consists of six subtestsdesigned to assess various components of driving, such as digit span, visual scanning, visual and verbalmemory, complex reaction time, and vigilance. Mini-mental state test, Kana-hiroi test, word fluency, theauditory-verbal learning test and Raven's colored progressive matrices were also performed as conventionalneuropsychological tests. Results showed there were high correlations between each CNT subtests andconventional neuropsychological tests. A factor analysis (with varimax rotation) identified 4 factors witheigen values greater than 1, which accounted for over 70% of the variance. CNT was able to estimate eachfactor related to cognitive function such as learning and memory, attention, judgment, and visual scanningselectively. CNT may thus be a useful tool for detection of cognitive impairment, although this test has im-portant limitations. Broader applications of these tests will require extensive population-based validation.


Copyright © 1999, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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