Neural and Hormonal Mechanisms in Aggression

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  • Created by: Aednat
  • Created on: 04-04-13 19:41
What level of serotonin is associated with aggression?
Low.
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What does serotonin do in relation to aggression?
Inhibits emotional response to certain stimuli.
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What level of dopamine is associated with aggression?
High.
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Who found that dexfenfluramine, which depletes serotonin, to produce aggressive behaviour in men?
Mann
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Who found amphetamines, which increase dopamine production, to increase aggression?
Lavine
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Who found antipsychotic drugs, which inhibit dopamine production, to reduce aggressive behaviour in young convicts?
Buitelaar
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What is testosterone said to increase because of?
Social challenge; i.e. defending something.
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Who theorised the challenge hypothesis?
Wingfield.
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What did Lindman find about young men who acted aggressively whilst drunk?
They had higher testosterone levels.
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What did Dabbs find in his testosterone study?
Violent convicts had higher testosterone levels than non-violent convicts.
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Cortisol, as argued by Dabbs, does what to testosterone?
Mediates it.
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Cortisol levels in violent convicts (Vikkunen) and violent children (Tennes and Kreye) was high: true or false?
False
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What does tryptophan do to serotonin levels, as found by Raleigh?
Increase serotonin levels and decrease aggressive behaviour.
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What, does Popovaa argue, happens to the serotonin levels of animals as they become more and more domesticated?
Serotonin levels increase.
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What effect, as found by Bond, do antidepressants have on serotonin levels?
Increases them.
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Who argued that dopamine is more of a reward of aggression as opposed to a cause of it?
Couppis and Kennedy.
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Who argued that there are not enough studies supporting the link between testosterone and aggression?
Albert.
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What, did Mazur argue, testosterone is more linked to?
Dominance behaviours.
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How does McBurnett's study support the involvement of cortisol?
Young boys with chronically low cortisol levels displayed higher levels of antisocial and aggressive behaviour from an early age that boys with high or fluctuating levels of cortisol.
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Card 2

Front

What does serotonin do in relation to aggression?

Back

Inhibits emotional response to certain stimuli.

Card 3

Front

What level of dopamine is associated with aggression?

Back

Preview of the front of card 3

Card 4

Front

Who found that dexfenfluramine, which depletes serotonin, to produce aggressive behaviour in men?

Back

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Card 5

Front

Who found amphetamines, which increase dopamine production, to increase aggression?

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