Biological Approach

BIOLOGICAL APPROACH

AO1

• Thinking and behaviour are strongly determined by biological factors (structure/function of nervous system) but are influenced by genetic and evolutionary factors
• Influuence of genes on behaviour - twin studies
• Risk of disorders e.g. schizophrenia increase significantly the more closely related people are to a sufferer (they share more genes)
• Concordance rates - how similar two people are genetically
• Monozygotic - identical genetic material
• Dizygotic - share 50% of their genetic material
• Genotype - genetic information inherited from parents, code for…