PSY 430 Lecture Notes - Lecture 13: Tryptophan Hydroxylase, Tryptophan, Aspartame
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D: testosterone in uences male aggressive behavior, on average males engage in more aggressive and violent behaviors than females. I: males tend to be more aggressive than females due to higher levels of testosterone. M: relates to the interconnection between biological in uences of hormones and the psychological mindset of aggression and attitude. E: research has shown that men with highest rates of violent behavior also have higher testosterone levels. D: violence depends on other chemicals besides testosterone. I: aggression levels are high when cortisol levels are also high / serotonin inhibits violent impulses. M: relates to other hormones that will be discussed later on in how testosterone is not the only in uence on aggression. E: cortisol and serotonin tends to be an in uence with violent behavior. D: a serotonin metabolite found in the cerebrospinal uid, blood, and urine that allows researchers to infer turnover rate (high levels imply much serotonin release)
