The Biological Approach - Research Methods

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Brain recording techniques and scans

Scans such as PET scans are used to observe the activuty of living brains in humans.

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Brain surgery using animals

To investigate brain function, areas of an animals brain are damaged to determine its role in behaviour.

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Detailed case studies

These are done on people who have brain damage, for example perhaps because they have been in a car accident, to understand the role of a sepcific area of the brain has for personality, behaviour and perception. 

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Selective breeding of animals

Animals such as ratsare used to determine which behaviours and characteristics may have genetic basis

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Experimental with chemicals

These chemicals have an affect on the brain and subsequent investigation of the effects on human behaviours and thought, for example drugs such as cannabis

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Experimental with chemicals

These chemicals have an affect on the brain and subsequent investigation of the effects on human behaviours and thought, for example drugs such as cannabis

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Twin studies

Using identical and non-identical human twins to help us understand genetic inheritance of human characteristics 

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