Save
Psychology
Approaches
The biological approach
Save
Share
Learn
Content
Leaderboard
Share
Learn
Created by
Freya Cobby
Visit profile
Cards (9)
Assumptions of the biological approach
Suggests everything psychological is first
biological
Neurochemistry
The action of
chemicals
in the brain
Twin studies
Monozygotic - share
100
% of their genes
Dizygotic - Share
50
% of their genes
Genotype
A persons
actual
genetic makeup
Phenotype
The way someones genes are expressed
Mc
gruffin
et al (1996)
Measured the concordance rate of deppresion in twins
In monozygotic twins -
45
%
In Dizygotic twins -
20
%
Evaluation - Strength - Real world application
Used to treat clinical
depression
using antidepressants to increase
serotonin
Evaluation - Strength - Scientific methods
Uses precise and accurate methods e.g
fMRIs
and
EEGs
Means
objective
and
reliable
data
Evaluation - Weakness - Determinist
Believes that human behaviour is
fixed
, disregards
environmental
factors impacts