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Outline and evaluate biological explanations of aggression

There are several biological explanations of aggression, all stemming from the assumption
that all that is psychological is first biological. Behaviour is influenced when biological body
structures (different areas of the brain) are stimulated, for example electrical stimulation of
the amygdala is thought…

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Harrison et al carried out further research into how hormonal mechanisms influence
aggression. They used a sample of 56 men aged 2050 years old and gave them all
injections of testosterone, which increased their aggressive behaviour whilst playing a
computer game. However this increase was not uniform across all individuals.…


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