Brain Structure

Question 1

Corpus callosum

Answer 1

Thick bundle of nerves joining the two hemispheres. This is how messages travel between the two hemispheres

Question 2

The limbic systmem

Answer 2

The hippocampus, amygdala, hypothalamus, thalamus

Question 3

Amygdala

Answer 3

Centre for emotions, emotional response and motivation, fight or flight

Question 4

Hypothalamus

Answer 4

Process that maintains the stability of human body in response to changes in external conditions (homeostasis) e..g temperature

Question 5

Pre frontal cortex

Answer 5

The pre frontal cortex is influential in controlling social interaction and regulating behaviour. The PFC has lots of connections with parts of the brain responsible for dopamine, serotonin and noradrenaline.

Question 6

The pre frontal cortex and aggression

Answer 6

Damage to this area often leads to problems with anger management, irritability and impulsivity. The PFC may be more about regulating emotions, so aggression comes from lack of regulation. Dorsolateral region found to be linked to impulse control

Question 7

The amygdala and aggression

Answer 7

As the amygdala is the centre of emotional response we feel instinctively aggressive if we feel danger . It may produce feelings of fear and stress

Question 8

Hypothalamus and aggression

Answer 8

Regulates hormones such as testosterone the more testosterone the more aggressive we are

Question 9

Phineas Gage

Answer 9

Frontal lobe damaged meant his behaviour became irrational and aggressive

Question 10

Downer

Answer 10

Monkeys amygdala removed the monkeys were more calm

Question 11

Raine PET scans

Answer 11

PET scans objective meaning they are reliable

Question 12

Use of animals

Answer 12

Findings may not be generalisable