Ultimate Guide to Biological Approach (Edexcel AS)

Everything ever for Biological Approach INCOMPLETE

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  • Created by: Xanthe
  • Created on: 21-03-14 10:23
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  • Ultimate Biological Approach Revision
    • Studies
      • Money (1975)
      • De Bellis et al. (2001)
        • Describe
          • Evaluate
            • Reliability
            • Generalisability
            • Application
            • Validity
            • Ethics
          • Aim
            • Difference in brain structure
              • Age
              • Gender
          • Procedure
            • 118 volunteers, healthy children and teens, 61m + 57f
            • MRI scan each child, practice scan, professional neuroradiologist performed
            • Scans were measured according to white and grey matter levels by machine and raters (0.99)
          • Results
            • Reduction in grey matter 6-17yrs
              • Male: 19.1%; Female: 4.7%
            • Increase in white matter
              • Males: 45.1%; Female: 17.1%
          • Conclusion
            • Hypothesis proved: there are structural differences for men and women
    • Theories
    • Key Assumptions
      • Behaviour can be explained by biology (genes/hormones)
    • Key Issue
    • Definitions
      • CNS
        • Brain and spinal cord; message delivery system
      • Synapse
        • Gap betwqeen neurones
      • Receptor
        • Recieve message across synapse
      • Neurone
        • Cells that recieve and transmit messages
      • Neurotransmitter
        • Chemical messengers that act between neurones and  brain
      • Genes
        • Biological blueprint
      • Hormones
        • Chemical messages secreted by cells or glands
      • Brain Lateralisation
        • A term for considering the two halves of the brain seperately

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