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Biological Approach

Biological Approach. Key Principles By Lauren Binnington. Learning outcomes. We are looking to gain an understanding of what the key features are because these underpin our theories and therapies We will also look at the principles of the biological level of analysis.

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Biological Approach

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  1. Biological Approach Key Principles By Lauren Binnington

  2. Learning outcomes • We are looking to gain an understanding of what the key features are because these underpin our theories and therapies • We will also look at the principles of the biological level of analysis

  3. What are the key features underlying biological psychology?

  4. What are the key features underlying biological psychology?

  5. What are the key features underlying biological psychology?

  6. What are the key features underlying biological psychology?

  7. Gender Religion Skin colour Accent Intelligence (IQ) Hair colour Humour Blood type Shoe size Height Weight Aggressiveness Artistic ability Features – Nature/Nurture?

  8. Principles • Behaviour is genetically influenced • Animal research can provide insight into human behaviour • Behaviour has a physiological cause

  9. Behaviour is genetically influenced- Questions • What are genes? • How do we get them? • What do they do? • Are they unique? • What about the environment?

  10. The influence of our genes • Physical characteristics are passed on via our genes • We inherit a unique combination from our parents (50% from our mother and 50% from our father) • When might we have the same genes as someone else?

  11. Examples - • Mednick and Hutchings (1978) found that adopted children with biological fathers who were criminals were more likely to become criminals themselves • Allen (1976) found that identical twins showed concordance for major depression 40% of the time.

  12. Animal research can provide insight into human behaviour • Textbook, page 44 • Animals are often used in brain research • Hetherington and Ranson (1942) found that lesions in the hypothalamus caused rats to overeat and become obese

  13. Behaviour has a physiological cause • This states that there are biological correlates of behaviour • This means that there is a link between a specific behaviour and a specific biological factor • E.g. Broca’s area and language

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