What is Aggression?

• Chuck's definition
  • Physical (or) verbal behavior
  • Intended to
  • Harm or destroy
• Nature or Nurture?
  • Nature
    • Might be born as an aggressive person
    • Evidence from Genetics
      • Can test identical twins in different environments to see the change of aggressiveness
      • If both are aggressive in general, it's genetic
      • Proven that genetics do do something
    • Evidence from Neuro Anatomy
      • What happens if you place an electrode in someone's amygdala... and shock it?
    • Evidence from Brain Chemistry
      • Increase someone's testosterone?
        • More aggressive
      • Reduce their serotonin?
        • More aggressive
      • Why do fights happen regularly in bars?
  • Aggressiveness determined by environment/raising
  • It depends.