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정신분열병 환자에서 아이오와도박과제를 이용한 의사결정능력의 평가

The assessment of decision-making in schizophrenia using Iowa Gambling Task

정성훈|이승재|이상희|조경아|서유진|김양태|김상헌|곽경필|이양현|박옥태
대한생물치료정신의학회 (Korean Society Of Biological Therapies In Psychiatry)|2005.12|생물치료정신의학 (Journal of the Korean Society of Biological Therapies in Psychiatry)|제11권 제2호|pp. 158-164

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참고문헌

키워드

의사결정ㆍ아이오와 도박과제ㆍ정신분열병Decision-makingㆍ Iowa Gambling Taskㆍ Schizophrenia
주제분류정신과학

초록

Abstract

Objectives : The purpose of this study was to examine the performance of schizophrenic patients on the Iowa Gambling Task (IGT). In addition, it was aimed to test whether the performance on IGT is related to working memory withinschizophrenic group. Methods : Twenty-three stable schizophrenic patients and twenty-eight control subjects underwent computerized versions of the IGT and the Wisconsin Card Sorting Test (WCST). Results : Schizophrenic patients performed poorly on IGT relative to normal controls. On WCST performance, schizophrenic patients completed significantly fewer categories and made more errors than controls did. There was no significant relationship between IGT and WCST performance. Conclusions : It was suggested that schizophrenic patients have impaired decision-making and the performance on IGT is separable from cognitive functions considered to be related to dorsolateral prefrontal cortex.

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