Sleep Med Psychophysiol.
1998 Dec;5(2):194-201.
Intelligence and Neuropsychological Tests Findings in Obsessive-Compulsive Disorder
- Affiliations
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- 1Department of Psychiatry, Yonsei University College of Medicine, Seoul.
- 2Yonjung Brain Function and Sleep Research Center, Seoul.
- 3Department of Psychiatry, College of Medicine, Sungkyunkwan University, Seoul.
Abstract
OBJECTIVES
This study was aimed to investigate the differences in intelligence and neuropsychological test findings between patients with obsessive-compulsive disorder (OCD) and normal controls, and to find out brain functions.
METHODS
To examine the brain functions, Halsted Reitan neuropsychological test, computerized neuropsychological test, Wechsler Memory scale and K-WAIS were applied. Subjects of this study consisted of 12 patients with OCD and 17 normal controls who were matched for age, handedness and education year.
RESULTS
The verbal intelligence of OCD was significantly higher than that of normal controls. But there was no significant difference in total and performance intelligence between groups. The total time of tactual performance test in OCD was significantly delayed than that in normal controls. Also the visual recall or Wechsler memory scale in OCD was more impaired than that in normal controls.
CONCLUSION
These findings support that visual-spatial memory, which is related to basal ganglia, is impaired in OCD.
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