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Frontal-executive functions in children with ADHD

Abstract

Nineteen ADHD and 19 normal control (NC) children participated in the study. The two groups were compared on a battery of neuropsychological tests to evaluate language, visuospatial function, attention, processing speed, memory, and executive functions. All measures utilized a standard score with M = 100 and SD = 15. The major findings were as follows. First, the deficits among the ADHD children relative to the NC children were most severe in the executive functions. The deficits in the children with ADHD was greater for the Executive IQ than the Wechsler IQ. Second, the children with ADHD children had deficits in attention. However, this deficit was apparent only when the attention tasks required executive regulation. Third, the ADHD vs. NC group differed with regard to the distribution of the Executive IQ − Wechsler IQ index, suggesting use of this index as a supportive diagnostic tool. These findings lend strong support for the hypothesis that ADHD reflects primary deficits in executive functions.

keywords
attentiondeficit hyperactivity disorder, executive function, prefrontal function, neuropsychological test, 주의력결핍 과잉행동장애, ADHD, 관리기능, 실행기능, 신경심리검사, attentiondeficit hyperactivity disorder, executive function, prefrontal function, neuropsychological test

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