The Biological Approach

Question 1

Define the biological approach:

Answer 1

It explains behaviour in terms of psychological processes in the brain and body and argues that there are physical causes of depression, memory etc.

Question 2

Behaviour genetics:

Answer 2

Intelligence/personality/mental disorders are inherited through genes and in the same way as physical characteristics.

Question 3

What are twin studies used for?

Answer 3

To see how strong genetic bases is for disorders.
MZ twins share 100% of each of their genes.
DZ twins share 50% of their genes.

Question 4

Define genotype:

Answer 4

It is the genetic make up which is influenced by environmental factors. E.g. exercise and dyed hair

Question 5

Define phenotype:

Answer 5

The way in which genes are expressed through physical, behavioural and psychological characteristics.

Question 6

Evolution and behaviour:

Answer 6

Natural selection, meaning any behaviour genetically determined and help you survive will continue to future generations.

Question 7

Define neurochemistry:

Answer 7

When chemicals in our brain influence of mood and behaviour.
E.g. high levels of serotonin= very happy
Low levels of serotonin= depression

Question 8

Define neuroanatomy:

Answer 8

Structure and functions in our brain may influence our behaviour.

Question 9

What is the opposite of this approach?

Answer 9

The cognitive approach.