Neural mechanisms in eating behaviour AO2

  • Created by: Ambrosia
  • Created on: 22-01-14 20:44
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  • Neural mechanisms in eating behaviours AO2
    • Theory that hunger and eating are only triggered when energy levels change is maladaptive
      • A mechanism needs to promote energy levels to be maintained above optimal levels
    • damage to LH causes deficits in other aspects of behaviour
      • eating behaviour is controlled by neural circuits not just hypothalamus
        • Mice that did not make NPY didnt decrease feeding behaviour
    • Only damage to lh AND PVN causes hyperphagia (Gold) no one has replicated these finding
    • damage to amygdala causes Kluver Bucy sydrome (indiscriminate eating
    • Zald and Pardo provieded evidence that amygdala processes smells. unpleasant odours=increased blood flow to amygdala


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