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Biological approach - Coggle Diagram
Biological approach
The CNS
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Breathing, eating, heart beat and the senses are all coordinated from the CNS
Biological psychologists look to the brain for behaviours as most actions and reactions are generated from the CNS
Key assumptions
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It examines the processes that occur, and looks for how that may affect an individual's reactions and behaviours
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Research used by biological psychologists to assess genetics and behaviour (twin studies and family studies)
As monozygotic (MZ or identical twins) are 100% genetically similar, the likelihood of them both having a behaviour/disorder compared with the likelihood of non-genetically identical twins (DZ or dizygotic twins) gives an indication of how much the behaviour may be genetic
If the MZ shows a higher likelihood of sharing behaviours/disoders than DZ then there is argued to be a genetic component
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Twin studies are correlations between 2 sets of twins and measure the correlation between one twin's behaviour and the other on similarity
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Assumption 1 - genetics
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Behaviour evolves the same way as physical characteristics through the process of evolutionary adaption
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