Biological Approach AO1

Question 1

Assumptions

Answer 1

-everything psychological is first biological
-much of human behaviour has a physiological cause, may be genetically or environmentally altered
-genes affect behaviour and influence psychological differences between people.

Question 2

Neurochemical Basis of Behaviour

Answer 2

-neurochemistry = actions of chemicals in the brain
-chemical transmission in the brain in responsible for behaviour and thought processes
-imbalance of certain neurotransmitters often linked to mental disorders

Question 3

Genetic basis of behaviour

Answer 3

-evidence from twin, family and adoption studies to suggest that certain behaviours are genetically determined
-selective breeding studies demonstrate how number of behavioural characteristics have genetic basis