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Korean Journal of Psychology: General

ISSN : 1229-067X

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Vol.31 No.3

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Executive Function Deficits in Asperger Disorder:Evidence from a Paired-task Method

Korean Journal of Psychology: General / Korean Journal of Psychology: General, (P)1229-067X; (E)2734-1127
2012, v.31 no.3, pp.581-598


& (2012). Executive Function Deficits in Asperger Disorder:Evidence from a Paired-task Method. Korean Journal of Psychology: General, 31(3), 581-598.

Abstract

The goal of the present study was to test the hypothesis that Asperger disorder is associated with executive function (EF) deficits. A common limitation in prior related studies was an experimental design that could not clearly distinguish EF deficits from other cognitive deficits. To overcome this limitation, the present study employed a paired-task method, in which one task strongly demanded executive function and the other task did not. Fifteen Asperger disorder and fifteen control children were compared on six paired-tasks: Wechsler IQ-Executive IQ, Verbal IQ-Performance IQ, simple trial-interference trial, common sense-verbal fluency, picture completion-design fluency and recognition-recall. The results indicated a significant interaction between group (Asperger, control) and executive function (low, high) on all paired-tasks except recognition-recall. Each significant interaction reflected the fact that Asperger children had a greater deficit in the tasks that strongly demanded EF than the tasks that did not strongly demand EF. These results provide stronger evidence for the ‘executive dysfunction’ hypothesis than prior related studies have offered. Other findings indicated that cognitive functions other than executive function are normal in Asperger disorder.

keywords
아스퍼거, 관리기능, 실행기능, 인지기능, 짝과제, Asperger disorder, executive function, cognitive function, paired-task

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