Aggression

• What is the limbic system as a neural mechanism in aggression 


  Processes + responds to environmental stimuli

  Amygdala= regulates emotional response to stimuli, when stressor noticed it sends stress signals to hypothalamus which activated sympathetic branch of ANC > flight or fight response (aggression is fight)
• What is serotonin as a hormonal mechanism in aggression 


  neurotransmitter with inhibitory effect > negatively charged neurons less likely to fire, less serotonin in pre frontal cortex leads to higher levels of neuronal firing which can lead to less self control and therefore higher aggression
• What is testosterone as a hormonal mechanism in aggression 


  androgen made in testes, associated with aggression levels because men with high test found to be aggressive- male prison studies found positive correlation between testosterone and aggression
• What are genetic mechanisms in aggression 


  its hereditary: vunerability increases with genetic similarity, twin studies found concordance rates of 50% for monozygotic; 19% diozygotic