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9 Cards in this Set
- Front
- Back
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Hormones |
Hormones chemical signals transported in blood stimulate cells and tissues into action Provide biological explanations for some psychological pathways, act as neural pathways |
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Testosterone |
Male sex hormone Produce lower levels in women Has an effect areas in brain controlling aggression Influence aggression from young adulthood |
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Support - Dabbs et al |
Dabbs et al - measured salivary testosterone levels in violent and non violent crimes. High testosterone = history of violent crimes Low testosterone = history of non violent crimes Studies on non prison population shows similar patterns |
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Challenge - Albert et al |
Albert et al - claimed despite many studies show positive correlation testosterone and aggression Other studies find no such relationship Publication bias towards positive findings causing null findings under represented Also mostly looked at small samples, self report techniques = reduce reliability of findings |
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IDA - Gender differences |
Archer - women show stronger association between aggression and raised testosterone levels than men Challenging situation women w/v raised testosterone show dominance and assertiveness. |
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Neurotransmitters |
Chemical substance that works in nervous system by sending electrical nerve impulses across synapse telling nervous system actions |
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Serotonin |
Reduce aggressive behaviour inhibits persons response to emotional stimuli that would normally evoke aggressive response. Low levels serotonin linked increased susceptibility aggression/impulsive behaviour |
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Support - Raleigh |
Raleigh - Fed vervet monkeys diets high in tryptophan, decreases serotonin Lead to increase levels of aggressive behaviour Animal studies - care taken when applying to humans, physiology not the same |
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IDA - Reductionsim |
Just looking biological factors such as Neurotransmitters Ignores complex range of other factors which can influence behaviour e.g. social learning |
