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KMID : 1159120140210020151
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Korean Journal of Rehabilitation Psychology
2014 Volume.21 No. 2 p.151 ~ p.169
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Cognitive Deficits in Depressed Patients : Evidence from a Paired-task Analysis
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Kim Sung-Chul
Kim Hong-Keun
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Abstract
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The present study investigated cognitive functions of depressed patients. The participants were 28 depressed patients and 14 normal subjects. Each participant received K-Wechsler Adult Intelligence Scale, Kims Frontal-Executive Function Neuropsychological Test, and Beck Depression Inventory(BDI)-Ⅱ. The data were analyzed using a paired-task approach. Results yielded three main findings. First, results of 4 paired tasks(Wechsler IQ-Executive IQ, VIQ-PIQ, Information-Verbal Fluency, Picture Completion-Figural Fluency) indicated executive dysfunction in depressed patients. Second, results of the Simple Trial-Interference Trial paired task indicated attentional dysfunction. Third, results of the Recognition-Recall paired task indicated memory dysfunction. Depression severity measured by BDI-Ⅱ was not significantly correlated with any of the cognitive measures. These findings indicate that depression is associated with impairments in executive, attention and memory functions.
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KEYWORD
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depression, executive function, attention, memory, paired-task
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