| Neuropsychological performance in OCD: A study in medication-naïve patients. | |
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MedLine Citation:
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PMID: 21967733 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Obsessive-compulsive disorder (OCD) is associated with impairments in multiple neuropsychological domains but the findings are rather inconsistent across studies. One potential reason for poor replication is the confounding influence of medications. There is limited research on neuropsychological performance in medication-naïve, never treated OCD patients. METHODS: In this study, we assessed 31 medication-naïve, never-treated, DSM-IV OCD patients free of comorbid major depression and 31 healthy controls individually matched for age, gender and years of education, with tests of attention, executive function, memory reasoning and visuo-spatial function. RESULTS: Medication-naïve OCD patients did not significantly differ from healthy controls on most neuropsychological tests. Patients performed somewhat poorly only on the highest goal hierarchy of the Tower of London (TOL) test (p=0.001, effect size=0.68). CONCLUSIONS: It is intriguing to find that symptomatic, drug-naïve OCD patients did not significantly differ from healthy controls on most neuropsychological tests. Our finding of medium effect size on TOL highest goal hierarchy test suggests that brain regions outside the affective orbitofrontal loop may also be perhaps involved in OCD. This finding however needs replication because of modest effect size. Future studies should focus on studying medication-naïve, co-morbidity-free patients and relatives using symptom dimensions for consistent and robust findings. |
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Authors:
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Rakhee Krishna; Saumya Udupa; Cilna Mariam George; Keshav J Kumar; Biju Viswanath; Thennarasu Kandavel; Ganesan Venkatasubramanian; Y C Janardhan Reddy |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-22 |
Journal Detail:
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Title: Progress in neuro-psychopharmacology & biological psychiatry Volume: - ISSN: 1878-4216 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-10-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8211617 Medline TA: Prog Neuropsychopharmacol Biol Psychiatry Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier Inc. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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