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Sixty OCD patients and 60 matched healthy controls completed 3 episodic memory tasks involving different stimuli, with assessments of judgment-of-learning and feeling-of-knowing. OCD patients then completed a 10-week CBT intervention and were reassessed post-CBT and at 6-month follow-up. At baseline, OCD patients showed significantly lower memory and metamemory performance than controls. Following the intervention, they demonstrated significant improvements in clinical symptoms, memory, and metamemory, which were maintained at follow-up. The findings suggest that OCD-related memory and metamemory impairments involve both encoding and retrieval processes and that CBT is an effective treatment for improving both clinical and cognitive outcomes.<\/jats:p>","DOI":"10.1891\/jcp-2025-0016","type":"journal-article","created":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T09:40:22Z","timestamp":1771062022000},"page":"132-151","source":"Crossref","is-referenced-by-count":0,"title":["Effects of Cognitive Behavioral Therapy on Memory and Metamemory in Obsessive-Compulsive Disorders"],"prefix":"10.1891","volume":"40","author":[{"given":"Metehan","family":"Irak","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tamer Numan","family":"Duman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"793","published-online":{"date-parts":[[2026,2,14]]},"reference":[{"key":"2026052423201175000_40.2.132.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cpr.2013.09.004"},{"key":"2026052423201175000_40.2.132.2","doi-asserted-by":"crossref","unstructured":"American Psychiatric Association. 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