Hormonal Explanation Of Aggression Flashcards
Where is testosterone produced?
In leydic cells in male testes and in adrenal cortex
When are the 2 times testosterone is thought to be effective?
Soon after birth and again in adulthood
What does testosterone act to do when they’re released after birth?
Sensitises certain neural circuits in the brain to make it more sensitive to testosterone
How does testosterone influence serotonin?
Acts to reduce amount of serotonin released as its suggested serotonin reduced aggression
Where is cortisol released from?
Adrenal medulla
What is the relationship between cortisol and aggression?
Lower the level of cortisol, the higher the levels of aggression
Who performed research into the hormonal explanation of aggression?
Van goozen et al, Edwards, archer
How many male and female participants did van goozen use?
35 females
15 males
When did van goozens participants complete the questionnaires to assess their proneness to aggression?
Before and after recieving hormone treatment
What did van goozens research find?
Females-males showed increase in aggression and males-females showed decrease in aggression
What did Edwards do?
Inject one group on neonate rats with testosterone and then both groups injected when they were older
2 hormones associated with aggression…
Testosterone and cortisol
What did Edwards find?
Those rats who had a double dose of testosterone were more aggressive
What did Archer do?
A meta-analysis of 5 studies to find a low positive correlation between testosterone and aggression
Evaluation points of hormonal explanation of aggression…
Supporting research, too simplistic, research tends to be correlational, scientific, animal research
