AO1

• limbic system


  made of the hypothalamus, amygdala and hippocampus

  linked to emotional behaviour and is activated when processing emotional responses
• Gospic et al


  fMRI scans showed increased activity in amgydala when participants acted aggressively after being provoked

  taking benzodiazepine reduced overall aggression
• orbitofrontal cortex and seretonin

  low levels of serotonin in orbitofrontal cortex linked with inability to self control when provoked
• Denson et al


  those with normal levels of serotonin have better levels of self control
• hormonal explanation


  testosterone - men become more aggressive as testosterone rises

  • Daly and wilson

  animals who have had castrated testes are less aggressive

  • Giammanco

  violent offenders have higher levels of testosteron

  • Ziomkiewicz