PSYCH 2AP3 Lecture Notes - Lecture 8: Major Depressive Disorder, Intrusive Thought, Symbolic Link
1 Apr 2016
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Obsessions: persistent, intrusive thoughts, urges or images that cause anxiety or distress in most individuals, and that the individual tries to ignore, suppress, or neutralize. Compulsions: repetitive behaviours or thoughts individuals compelled to perform in response to an obsession, or according to rigid rules. Example: hand washing, organizing and ordering, checking & rechecking, counting, repeating words silently. O/c take more than 1 hour/day, or cause clinically significant impairment. Not due to a substance, or another medical condition. Disturbance not better explained by symptoms of another mental disorder. 1% annual, 1. 5% lifetime prevalence in u. s. Usually starts in adolescence, early adulthood (can begin in childhood) 10x more common in ocd than in population generally (denys et al, 2004) 33% of ocd patients have mdd (major depressive disorder) when evaluated (tukeletal, 2002) 20% lifetime comorbidity with bipolar disorder (faravellietal, 2004) Becomes compulsion otherwise people are directed to think about their anxiety. Difficulty dismissing thought --> anxiety, causing more difficulty.
