The biological approach

Cards (9)

  • Assumptions of the biological approach
    Suggests everything psychological is first biological
  • Neurochemistry
    The action of chemicals in the brain
  • Twin studies
    Monozygotic - share 100% of their genes
    Dizygotic - Share 50% of their genes
  • Genotype
    A persons actual genetic makeup
  • Phenotype
    The way someones genes are expressed
  • Mc gruffin et al (1996)

    Measured the concordance rate of deppresion in twins
    In monozygotic twins - 45%
    In Dizygotic twins - 20%
  • Evaluation - Strength - Real world application
    Used to treat clinical depression using antidepressants to increase serotonin
  • Evaluation - Strength - Scientific methods
    Uses precise and accurate methods e.g fMRIs and EEGs
    Means objective and reliable data
  • Evaluation - Weakness - Determinist
    Believes that human behaviour is fixed, disregards environmental factors impacts