Psychobiology 0.0 / 5 ? PsychologyPsychobiologyUniversityAll boards Created by: revisiongeek137Created on: 11-01-20 18:34 Aggression Evolutionary function - increased likelihood of offspring, access to resources and mates. Nature or nurture - hormones (testosterone, serotonin), brain regions (prefrontal cortex) - environment (peers, games), learning theory (reward aggression) Gender differences in aggression - males more physically, females more indirectly Prefrontal cortex and serotonin - impulse control - underpinned by serotonergic neurons Monkeys with lowest serotonin turnover are more aggressive Low 5-HT (precursor to serontonin) in humans = higher agression and suicide Induced tryptophan depletion = higher aggression Social learning theory - rewarded or punished behaviour Bobo doll - agression replication and immitation Twin studies - Suggesting that environmental similarities are more important in early life but that genetic factors ultimately over- rule? 1 of 1
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