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KMID : 0607520120200010050
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Korean Journal of Psychosomatic Medicine
2012 Volume.20 No. 1 p.50 ~ p.58
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Executive Dysfunction and It’s Relation to K-WAIS Scores in Mild Traumatic Brain Injury Patients with Normal Intelligence Quotient
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Lee Dae-Bo
Yoon In-Seon
Kim Seon-Kyung
Rho Seung-Ho
Park Min-Cheol
Lee Sang-Yeol
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Abstract
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Objectives : This study examined the selective deficits of executive function in patients with mild traumatic brain injury that in normal range of general intelligence level and aimed to analysis of the correlation between K-WAIS result and executive function.
Methods : 59 subjects were included in this study, who were diagnosed as mild traumatic brain injury(MTBI) and they have visited in neuropsychiatric department of Wonkwang University Hospital during from March, 2005 to September, 2010. For measurement of general intelligence quotient, the Korean-Wechsler Adults Intelligence Scale(K-WAIS) was administered and for measurement of executive intelligence quotient(EIQ), Executive Intelligence Test(EXIT) was administered.
Results : Of patients, 50.8% included at abnormal EIQ group. The patients of abnormal EIQ showed poorer full scale IQ(FIQ), performance IQ(PIQ) and in subscale that picture arrangement, digit symbol, digit span, block design, object assembly and comprehension were significantly different. In terms of relationships between K-WAIS and EIQ, FIQ and PIQ have positive correlation with EIQ. And in subscale, picture arrangement, digit symbol, digit span, block design, object assembly and comprehension show positive correlation with EIQ.
Conclusion : This study suggest that MTBI patients with have normal range of general intelligence level may have deficit of executive function is common. The decline of FIQ, PIQ and some subscales of K-WAIS may suggest executive dysfunction in MTBI patients.
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KEYWORD
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Traumatic brain injury, Wechsler Scales, Executive function
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