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Neural and hormonal mechanisms in aggression



These are chemicals that enable impulses to be transmitted from one side of the brain to the other. Low
serotonin and high dopamine are associated with aggression in humans and animals.

Serotonin- In normal levels, serotonin has a calming, inhibitory effect on…

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These are chemicals that control and regulate bodily functions. They initiate responses to external threats
etc... High testosterone and low cortisol levels are associated with aggression.

Testosterone- A hormone produced by both males and females but in smaller amounts in females. It
produces male characteristics.

Olweus et al…


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