... (Marzuk, 1996). Furthermore, several excitatory and inhibitory neurotransmitters are implicated including; Serotonin (5-HT), dopamine and Norepinephrine (NE). Similarly, hormones have been suggested to play a role (Marzuk, 1996). In addition, genetic links have been suggested for Impulsive violence/Aggression (IA) (Brunner, Nelen, Breakefield and Ropers van Oost, 1993) with mutation of the monoamine oxidise A (MAO A) gene. This essay will principally concentrate on neurological influences, briefly outlining social, genetic, and hormonal contributors to aggression and violence. The essay will conclude by summarising, the illustrated factors believed to be involved in the mediation of aggression and violence, lastly, it will propose that a larger interconnective approach between biological determinants could be explored. However, it will firstly examine PA and IA in further detail. PA is involved mainly in animal survival (Pinel, 1999). The author suggests such behaviour may be predetermined in man and be exhibited as a response to situations which were ...

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