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Psychology AQA Aggression
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- 1Neural mechanisms in aggressionNeural mechanisms The limbic system includes the cingulate gyrus, hypothalamus and amygdala.
Over-reactivity of the amygdala is linked to aggression because it plays a role in how we interpret and respond to environmental stimuli (i.e. as threats).
Serotonin: Abnormally low level associated with lower self-control and an increase in impulsive behaviours including reactive aggression. - 2Hormonal mechanisms in aggressionTestosterone (male sex hormone) influences areas of the brain involved in aggression.
Increasing testosterone in several species leads to greater aggression; castration results in lower aggression.
May explain why males more aggressive.
(Giammanco et al: animals which were castrated were less aggressive) - 3A limitation of the neural mechanisms:p- One limitation of the neural mechanisms in aggression is it does not take into consideration the role of other brain structures
E- According to Coccaro recent studies have indicated that the amygdala does not operate alone in determining aggression. For example, in patients with psychiatric disorders that feature aggression
S- This is significant because it suggests that aggression cannot be reduced to one part of the brain. - 4A strength of the neural mechanisms:P- A strength of the neural mechanisms in aggression is there is research support for the link between serotonin and aggression.
E- For example, Berman et al gave to their participants either a placebo or a dose of paroxetine, a drug which enhances serotonin activity. Ptps then took a lab based game in which electric shocks that those of varying intensity were given and received in response to provocation. The participants who took the paroxetine consistently gave less intense shocks that those who those
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- AS level Psychology Karteikarten am Psychology AQA Aggression, erstellt von Zainab Elmi am 03/11/2017.
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