Aggression

Question 1

Amygdala

Answer 1

Processes emotions and memory. Moderated by pre frontal cortex.

Question 2

Mark and Ervin

Answer 2

-female patient had electrical stimulation of amygdala
-facial grimacing and were angry

Question 3

Wong 1997

Answer 3

Went to hospital full of criminals
Gave MRI to 19 criminals
Found volume of amygdala was smaller in criminals compared to a control

Question 4

Role of pre frontal cortex

Answer 4

Regulates emotional response driven by amygdala.

Question 5

Wagner(1979)

Answer 5

Castrated mice and observed aggression levels dropped.
When castrated mice were injected with testosterone aggression rose.

Question 6

Von Saal (1983)

Answer 6

Female rats who developed closest to males in uterus were most aggressive females is litter.

Due to prenatal exposure to testosterone

Question 7

Dabs (1998)

Answer 7

Measured testosterone in saliva of Female prisoners.
Testosterone higher in unprovoked violence. Lower where violence was defensive ( self defence)