초록

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Abstract ▼ AI-Helper

The present study compared K-WAIS performance of 45 schizophrenic patients and 27 normal subjects. The analytical framework was the four-factor model, which consists of verbal comprehension (VC), perceptual organization (PO), working memory (WM), and processing speed (PS) factors. The schizophrenic ...

The present study compared K-WAIS performance of 45 schizophrenic patients and 27 normal subjects. The analytical framework was the four-factor model, which consists of verbal comprehension (VC), perceptual organization (PO), working memory (WM), and processing speed (PS) factors. The schizophrenic group was statistically equal to the control group in VC performance, but significantly inferior to the control group in PO performance. This result suggests normal crystallized intelligence, but deficient fluid intelligence for the schizophrenic group. The concept of fluid intelligence is similar to what is referred to as ‘frontal-executive function’ in neuropsychology. Thus, the low fluid intelligence of the schizophrenic group suggests, from a neuropsychological point of view, deficient frontal-executive functioning. The schizophrenic group was significantly lower in PS performance compared with the control group, suggesting that the schizophrenic group is deficient in psychomotor speed. There was no significant difference in WM performance between the schizophrenic vs control groups.

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