Volume 16, Issue 1 (4-2010)                   IJPCP 2010, 16(1): 3-13 | Back to browse issues page

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Fath N, Goodarzi M A, Rahimi C, Taghavi M R, Firoozabadi A. A Comparative Study on Cerebral Lateralization of Global-Local Visual Processing in Patients with Obsessive-Compulsive Disorder. IJPCP. 2010; 16 (1) :3-13
URL: http://ijpcp.iums.ac.ir/article-1-914-en.html
1- , E-mail: mgoodarzi@rose.shirazu.ac.ir
Abstract:   (10483 Views)

Objectives: Clinical and neuropsychological evidence indicate that patients with obsessive-compulsive disorder might have difficulty in early stages of processing visual global-local stimuli. This study was carried out to compare global-local visual processing and its cerebral lateralization among patients with obsessive-compulsive disorder and normal controls. Method: The present study is a causal-comparative study. 18 patients with obsessive-compulsive disorder and 18 normal individuals, matched together in terms of age, sex, education and marital status took part in the study. Participants completed a com-puterized global-local task, the Beck Depression Inventory and the Beck Anxiety Inventory. Data were analyzed using a mixed analysis of variance with a repeated measures design. Results: Results indicated that patients with obsessive-compulsive disorder are generally faster in local processing than global processing and have a relative deficit in global processing in the right hemisphere. Conclusion: relative deficit in global processing in patients with obsessive-compulsive disorder indicate a deficit in early stages of information processing and suggests the possibility of a right hemisphere dysfunction.

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Type of Study: Original Research | Subject: Psychiatry and Psychology
Received: 2010/04/4

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