PMID: 16509426Mar 3, 2006Paper

Duration effect on neuropsychological function and treatment response of OCD

Seishin shinkeigaku zasshi = Psychiatria et neurologia Japonica
Tomohiro NakaoAkiko Nakagawa

Abstract

Because of inconsistency among previous reports that examined neuropsychological function and treatment response of OCD patients, we here consider the heterogeneity of OCD; for example: symptom-based clusters, degree of insight, age of onset, and comorbid diagnoses. In this study, we examined neuropsychological function and the treatment response of OCD patients. Thirty-two OCD patients participated in this study. We examined their clinical symptoms by Y-BOCS, MOCI and other scales, and examined their cognitive function with several neuropsychological tests including: WAIS-R, Stroop test, WCST, WMS-R and R-OCFT. We then randomly assigned them to three treatment packages including: behavior therapy, pharmacotherapy by fluvoxamine, and controlled therapy. The patients were divided into two groups by duration of illness: short to middle range group (Group S, n=17, 5.5+/-3.1 years), and long range group (Group L, n=15, 20.3+/-6.1 years). The mean age of Group L was higher than that of Group S (Group S: 30.6+/-9.7 years old, Group L: 36.1+/-6.2 years old). There was no significant group difference in sex ratio or number of years of education. The mean age of onset of Group L was significantly lower than that of Group S (Group S; 25....Continue Reading

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