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Obsessive-Compulsive and Related Disorders: Psychological Factors

Obsessive-compulsive and related disorders (OCRDs) include obsessive-compulsive disorder (OCD), body dysmorphic disorder (BDD), hoarding disorder (HD), trichotillomania (hair pulling) and excoriation disorder (skin picking). The section on obsessive-compulsive and related disorders is new to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, published in 2013. It reflects the fact that each of these disorders has a distinct presentation yet they share common obsessive preoccupations and repetitive behaviors, which both link them together and distinguish them as a group from other anxiety disorders. This entry focuses on psychological factors in all five disorders.

Obsessive-Compulsive Disorder

Psychological factors in OCD include beliefs about and contextual appraisals of obsessional thoughts and the necessity of compulsions, negative reinforcement, avoidance, and poor confidence in memory, and sensory and cognitive ...

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