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Titolo:
FACTOR STRUCTURE OF THE WISCONSIN-CARD-SORTING-TEST - DIMENSIONS OF DEFICIT IN SCHIZOPHRENIA
Autore:
KOREN D; SEIDMAN LJ; HARRISON RH; LYONS MJ; KREMEN WS; CAPLAN B; GOLDSTEIN JM; FARAONE SV; TSUANG MT;
Indirizzi:
HARVARD UNIV,SCH MED,DEPT PSYCHIAT,MASSACHUSETTS MENTAL HLTH CTR CAMBRIDGE MA 02138 BOSTON UNIV,DEPT PSYCHOL BOSTON MA 02215 BROCKTON W ROXBURY VET AFFAIRS MED CTR,DEPT PSYCHIAT BROCKTON MA 00000 HARVARD INST PSYCHIAT EPIDEMIOL & GENET BOSTON MA 00000 HARVARD INST PSYCHIAT EPIDEMIOL & GENET BOSTON MA 00000 HARVARD UNIV,SCH PUBL HLTH,DEPT EPIDEMIOL CAMBRIDGE MA 02138 HARVARD UNIV,SCH MED,DEPT PSYCHIAT,MASSACHUSETTS MENTAL HLTH CTR CAMBRIDGE MA 02138
Titolo Testata:
Neuropsychology
fascicolo: 2, volume: 12, anno: 1998,
pagine: 289 - 302
SICI:
0894-4105(1998)12:2<289:FSOTW->2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
DORSOLATERAL PREFRONTAL CORTEX; CEREBRAL BLOOD-FLOW; TEST-PERFORMANCE; NEUROPSYCHOLOGICAL FUNCTION; NONPSYCHOTIC RELATIVES; MATCHING FALLACY; FOLLOW-UP; DYSFUNCTION; REMEDIATION; REDUCTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
77
Recensione:
Indirizzi per estratti:
Citazione:
D. Koren et al., "FACTOR STRUCTURE OF THE WISCONSIN-CARD-SORTING-TEST - DIMENSIONS OF DEFICIT IN SCHIZOPHRENIA", Neuropsychology, 12(2), 1998, pp. 289-302

Abstract

The aim of this study was to explore the factorial structure of the Wisconsin Card Sorting Test (WCST) and to identify the dimensions of deficit in schizophrenia. WCST scores in patients with schizophrenia andschizophrenia-related psychosis (n = 292), Ist degree relatives of schizophrenic patients (n = 91), and normal controls (n = 141) were subjected to a principal factor analysis followed by orthogonal rotation. This led to 3 factors, perseveration, failure to maintain set, and idiosyncratic sorting. The detected factor structure was found to be invariant across the schizophrenic and control subsamples. Moreover, it replicated previous findings from 2 smaller samples. Only perseverationsand, to a lesser degree, idiosyncratic sorting appeared to differentiate schizophrenic patients from comparisons. Only perseveration had good sensitivity and specificity. as well as the most robust significantcorrelations with estimates of IQ, attention, and other measures of executive functioning. Thus, perseveration appears to be the most diagnostically useful and characteristic WCST feature of schizophrenia.

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Documento generato il 07/04/20 alle ore 22:43:12