Today we looked at two biochemical explanations of aggression. We started with the idea that low levels of serotonin is linked to aggression. There is fairly strong research support for this, from both human and animal studies, but the idea on it's own is rather reductionist as a causal explanation of aggression.
We then looked at the effects of testosterone - again, widely documented but slightly more complicated that the serotonin link. We ended up with two hypotheses - the reciprocal and basal models, which argue for the direction of the link between testosterone and aggression to be in opposite directions.
Today's powerpoint is here.
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