Neural Mechanisms in Aggression Essay Plan

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  • Created by: tiacoles
  • Created on: 14-01-16 12:30


  • Serotonin
  • Normal levels of Serotonin have a calming effect on the brain.
  • Low levels remove this meaning individuals are less likely to be in control of impulsions and aggressive behaviour.
  • Normally, Serotonin prevents the amygdala (responsible for fear and anger) from being activated.
  • This means when there is less Serotonin the amygdala is more likely to be stimulated by external threatening factors therefore making aggression also more likely. 


  • Mann et al: Administered Dexfenfluramine which depletes Serontonin in the brain, to 35 healthy adults. 
  • He then used


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