Neural and/or hormonal Mechanisms in Aggression 0.0 / 5 ? PsychologyAggressionA2/A-levelAQA Created by: Ciara RyanCreated on: 08-06-15 17:45 How does serotonin affect aggression? Inhibits aggressive responses to emotional stimuli 1 of 14 Low levels of serotonin.... Highly aggressive 2 of 14 What did Scarbo and Raine find? Low levels of serotonin are linked to aggression 3 of 14 High levels of dopamine are linked to ..... Aggression 4 of 14 What did Lavine find? Amphetamines are drugs that increase dopamine increased aggressive behaviour 5 of 14 Which study found that anti-psychotic drugs (reduces dopamine) increased aggressive behaviour? Buitlaar 6 of 14 What do amphetamines also do as well as increase aggressive behaviour? It increases noradrenaline which acts on the CNS and triggers the fight or flight response, so this may increase aggression. 7 of 14 Alternative theory Griffiths' biopsychosocial theory 8 of 14 What effect does testosterone have on aggression? It activates areas of the brain dealing with aggression increasing levels of aggression 9 of 14 What did Dabbs et al find? Testosterone levels in saliva were able to correctly differentiate between violent and non-violent criminals. 10 of 14 Which study found that castrated male mice showed decreased aggression which then increased when given testosterone? Wagner et al. 11 of 14 Describe how cortisol affects aggression High levels of cortisol inhibits testosterone leading to low levels of testosterone which reduces aggression 12 of 14 What did Virkkunen find? Low levels of cortisol in habitual violent offenders 13 of 14 What did Archer et al. find? The link between aggression and testosterone is higher in females than males 14 of 14
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