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6. Female hyena study, female hyenas have the same levels of testosterone in wild and in captivity but show more aggression in wild which suggests environmental stimuli causes aggression

  • Kilnesmith et al.
  • Sapolsky
  • Simpson

7. Less serotonin leads to...

  • More aggression
  • Less aggression

8. Produced by the adrenal medulla as a reaction to stress

  • Corsitol
  • Testosterone

9. Testosterone levels in males aged 18-22 who were asked to reassemble a replica gun rise 100x compared to those who assemble game. Gun group also put 3 x more chilli in a drink prepared for next participant

  • Kilnesmith et al.
  • Simpson
  • Sapolsky

10. Found in castrated mice, decrease in aggression but with replacement of testosterone in hormone therapy, aggression increased again.

  • Simpson
  • Kilnesmith et al.
  • Sapolsky

11. Testosterone causes aggression study

  • Simpson
  • Kilnesmith et al.
  • Sapolsky

12. Aggression causes testosterone study

  • Sapolsky
  • Kilnesmith et al
  • Simpson

13. More dopamine leads to...

  • Less aggression
  • More aggression

14. Correlational relationship between testosterone and aggression study

  • Kilnesmith et al.
  • Sapolsky
  • Simpson

15. Chemicals that regulate and control bodily functions

  • Hormones
  • Neurotransmitters