PSYC-105 Lecture Notes - Lecture 11: Major Depressive Episode, Major Depressive Disorder, Psychomotor Agitation
1 Oct 2018
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Document Summary
Mood disorders: most commonly associated with feeling down (depression), but also with excessively elevated mood (mania), 1 year prevalence 4-5%, typical onset in early adulthood. Major depressive disorder: significantly depressed mood or anhedonia, significant change in weight/appetite, insomnia, or hypersonic (internal jitteriness and irritability all the time. They feel like they should be doing something but don"t know what), psychomotor agitation or retardation (walk much slower physically and mentally than others), worthlessness, thoughts of suicide: most often it features recurrent episodes. A single episode if untreated tends to last. If you experience this for 2 weeks, you can be diagnosed. Life events model: stressful live events trigger depression: loss of significant relationship. Behavioural model: lack of positive reinforcement: continued withdrawal and deterioration in social skills. All of a sudden, you"re not enjoying being around friends and receiving positivity. You pull back from trying to be around people.
