Hormonal mechanisms

Question 1

Testosterone

Answer 1

A hormone from the androgen group responsible for the development of masculine features. It is linked with aggressive behaviour

Question 2

What has been observed about men ?

Answer 2

-Men are generally more aggressive than women
-Men become more aggressive at the time of development at other men when testosterone levels are the highest

Question 3

What role does testosterone have ?

Answer 3

Regulating social behaviour via its influence on certain areas of the brain implicated in aggression

Question 4

What do castration studies show ?

Answer 4

Removing the testes reduces aggression in males of many species.
Giving injections of testosterone to the same animals increases aggression (giammanco et al 2015)

Question 5

Human studies (Maired Dolanet al 2001)

Answer 5

Prison population of violent offenders ;
a positive correlation between testosterone levels aggressive behaviours in 60 offecndersin UK maximum security hospitals.
Most men had perosnality disorders

Question 6

What is Progesterone

Answer 6

A female ovarian hormone

Question 7

How does progestrone play a role in aggression ?

Answer 7

Levels of progestrone vary during ovulation cycle and are lowest during and just after menstruation

Question 8

Research on progestrone ;

Answer 8

Anna Ziomkiewicz (2012) found a negative correlation between progestrone levels and self reported aggresion. ; suggesting low levels of progestrone are linked to increase aggresion in women.

Question 9

Evaluation :

Answer 9

Animal research (monkeys and rats)
Dual - hormone hypothesis