Biological Approach

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  • Created by: julyfirst
  • Created on: 19-09-19 10:16
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  • Biological Approach
    • Assumptions
      • The brain structure and functions can help us explain our thoughts
      • Genes, neurochemistry and the nervous system help us apprehend
      • Genetic Basis
        • If behavioural traits are inherited like physical ones
        • Twin Studies
          • Identical twins are found to have higher correlation rates for behavioural traits
          • Identical twins share 100% DNA
      • Genotype and Phenotype
        • Phenotype- the way genes are expressed
        • Genotype- genetic makeup
        • The environment affects the genotype expression
        • E.G. identical twins can look different is one exercises more
        • Human behaviour is affected by the interaction between the environment and genetics
      • Evolution and Behaviour
        • Natural selection
        • Those with more advantageous genetics will survive and pass down the genes to keep the traits in the gene pool
    • Evaluation
      • Scientific- uses a range of precise methods, such as fMRIs, so we can measure biological processes
      • Real-Life- has led to the development of psychoactive drugs to treat mental illnesses which allow patients to live more normal lives
      • Determinist- implies we have no control over our actions
      • Cannot Separate Nature and Nurture- identical twins likely come from similar environments so the results could be supporting nurture more

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