Biological Approach Assumptions

Question 1

1 - State?

Answer 1

behaviour can be explained in terms of evolutionary influences

Question 2

1 - Explain?

Answer 2

• evolution can explain how our mind and behaviour have changed over millions of years to adapt to the demands of our environment
• Darwin’s theory of Natural Selection states any characteristics that id the chance of survival/ reproduction are passed on genetically to next generation

Question 3

1- Example?

Answer 3

Mate selection

• males seek women who look like ‘good baby makers’, young attractive = fertile - red lips, wide hips, big breasts
• women seek males who can provide for them duing pregnancy/ raising a young child - good income, home, reliable, faithful

Question 4

2 - state?

Answer 4

behaviour can be explained in terms of localisation of brain function

Question 5

2 - explain ?

Answer 5

• each area of the brain has a specialised fuction

- the cerebral cortex is the outer layer of the brain, is / into 4 regions - Frontal, Temporal, Occipital, parietal

Question 6

2 - e.g.

Answer 6

prefrontal cortex is involved in regulating agressive behaviour

Question 7

3 - state?

Answer 7

behaviour can be explained in terms of neurotransmitters

Question 8

3 - explain ?

Answer 8

• cells called neurones make up the nervous system
• they interact by chemical messages called neurotransmitters which diffuse across the synapse and then dock into receptor sites on the next neurone
• levels of neurotransmitter are linked to mood

Question 9

3 - example?

Answer 9

• neurotransmitters are beleievd to play a role in mental health
• low levels of serotonin in the body linked to depression
• some antidepressants work by increasing levels of serotonin

Question 10

role of amygdala

Answer 10

triggering agressive behaviour