The Role of Neural and Hormonal Mechanisms in Human Aggression

Discuss the role of neural and hormonal mechanisms in sympathetic onslaught. The relationship between biological mechanisms and raptorial doings is a complex one. Some research points to the biological make-up of an individual, such as hormones and neurotransmitters rather than environmental influences. Neurotransmitters ar chemicals that enable impulses within the maven to be transmitted from one bea of the understanding to a nonher. The two main neurotransmitters open to be cerebrate to truculent behaviour are serotonin and dopamine. High levels of serotonin are said to subordinate aggression by inhibiting responses to unrestrained stimuli that capability otherwise lead to high-pressure behaviour. Low levels are associated with an append in voluntary behaviour, aggression and even tough suicide. secernate supporting the importance of serotonin in obstreperous behaviour was found in research using vervet monkeys. capital of North Carolina et al (1991) fo und that if serotonin levels were trim down by modify their diet, there was an annex in in-your-face behaviour whereas an increase in serotonin levels resulted in a decrease in rough behaviour suggesting the difference in aggression was receivable to the serotonin levels. Other research demonstrating the connective between junior-grade levels of serotonin and aggression was done by Bond (2005).

He found that antidepressants which increase serotonin levels reduced irritability and impulsive aggression. The link between dopamine and aggressive behaviour is not as well established. However, increased levels of dopamine stimulated by amphetamines have shown an increase in aggression wh ereas antipsychotic drugs that reduce dopami! ne levels have been shown to reduce fierce behaviour (Lavine and Buitelaar). Interestingly, a study by Couppis and Kennedy (2008) using mice, found that dopamine acts as a positive reinforcer in the response to an aggressive event. This would lead to individuals seeking out aggressive behaviour because they would pay a rewarding sensation from...If you wish to get a full essay, order it on our website: OrderEssay.net

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