PSYC 372 Lecture Notes - Lecture 8: Preterm Birth, Frontal Lobe, Birth Weight
20 Aug 2016
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Document Summary
Affects about 1-2% of population; ranges in severity. Occurs in all parts of the world; 10 to 100 times more common in us and europe. More common in men than women; about 7 to 5. More severe and earlier age of onset for men (early 20s vs. late 20s) Likelihood increases as father"s age increases key factors in disease expression. Other environmental influences schizophrenia: deteriorating ability to function in everyday life and some combination of. Inappropriate emotional expression causes are not well understood: include a large biological component symptoms can vary greatly. Acute: sudden onset and good prospect for recovery. Chronic: gradual onset and long-term course positive symptoms more associated with limbic system. Increased activity in hypothalamus, hippocampus, and cortex. Inappropriate emotional displays, bizarre behaviors negative symptoms more associated with prefrontal cortex. Symptoms remain stable over time and are harder to treat than positive symptoms genetic theory. Chromosome 5 and special region of x chromosome implicated.
