Aggression

Aggression

1. A behaviour that intends to cause harm to someone or something. It can be verbal or physical

2. Biological Explanation

   • Causes
     • Hormones - increased levels of testosterone
       • Males have more testosterone than women
       • Violent criminals have more testosterone than non-violent criminals
     • Chromosomes
       • High proportion of men with XYY syndrome among violent criminals
       • XYY = more aggressive than normal
     • Brain abnormalities
       • Limbic system -- instinct
       • Prefrontal Cortex recognises and knows what's appropriate