NROSCI 0081 Lecture Notes - Lecture 21: Biology Of Depression, Extrapyramidal Symptoms, Barbiturate
21 Mar 2018
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Psychiatric disorder: mental or behavioral pattern that causes either suffering or a poor ability to function in ordinary life. Any disorder that affects cognition or emotion must arise from changes in the brain. Emil kraeplin: german psychiatrist classified two types of psychosis. Euge(cid:374)e bleuler (cid:272)oi(cid:374)ed the ter(cid:373) s(cid:272)hizophre(cid:374)ia (cid:894)(cid:373)ea(cid:374)s (cid:862)split (cid:373)i(cid:374)d(cid:863)(cid:895) No sex difference in prevalence: men have a earlier onset. Chronic, debilitating disorder that interferes with ability to think clearly, relate to others, and make decisions. Negative symptoms: thoughts/behaviors that should be present (cid:271)ut are(cid:374)"t: flattened affect, anhedonia, avolition (loss of motivation and interest, alogia (minimal speaking, social withdrawal. Cognitive symptoms: executive function: inability to access information and use it to make decisions (problem solving, problems with attention, poor working memory, hardest to treat. For diagnosis, must have 2 or more of the following symptoms for at least 1 month (continuous signs for 6 months)
