Neural and/or hormonal Mechanisms in Aggression

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1. What did Scarbo and Raine find?

  • Low levels of serotonin are linked to aggression
  • Drugs that decrease serotonin levels increase measures of hostility
  • anti-psychotic drugs (reduces dopamine) increased aggressive behaviour
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Other questions in this quiz

2. Which study found that castration(reducing testosterone levels) of schizophrenics (High dopamine levels) had no effect on aggressive tendencies?

  • Bremmer
  • Wagner et al.
  • Virkkunen
  • Dabbs et al.

3. Alternative theory

  • Griffiths' biopsychosocial theory
  • Diathesis-Stress

4. High levels of dopamine are linked to .....

  • Not a lot of aggression going on
  • Aggression
  • Low Levels of aggression

5. 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.
  • Reduces dopamine

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