PSYCH 2AP3 Lecture Notes - Lecture 8: Antipsychotic, Reuptake, Substantia Nigra
6 Nov 2017
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Dsm-5 criteria: obsessive-compulsive disorder: either obsessions or compulsions (o/c): Obsessions: persistent, intrusive thoughts, urges, or images that cause anxiety or distress in most individuals, and that the individual tries to ignore, or suppress, or neutralize. Compulsions: repetitive behaviours or thoughts individual compelled to perform in response to an obsession, or according to rigid rules. Repeating words silently: o/c take more than 1 hour/day, or cause clinically significant impairment, not due to substance or another mental disorder, disturbance not better explained by symptoms of another mental disorder. Epidemiology: 1% annual, 1. 5% lifetime prevalence in u. s, usually starts in adolescence, early adulthood (can begin in childhood), for adult ocd, males = females, for childhood ocd, male: female ratio 3:1. Comorbidity: depression most common in comorbid condition. 10x more common in ocd than in population generally. 33% of ocd patients have mdd when evaluated. Compulsions in ocd: cognitive symptoms, cognitive symptoms: Conflict often localized to anal period due to concerns with order, cleanliness.
