Neural and hormonal explanations of eating behaviour

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  • Neural mechanisms
    • Hypothalamus
      • Homeostatis
      • Hypothalmic feeding centers
        • ventromedial
          • Satiety center
          • Hetherington and Ranson (1942)
        • Lateral
          • Brobeck (1951)
          • Hunger center
      • Dual control center
        • Sex, aggression, satuety
    • Hormones
      • Ghrelin
        • Commings et al
        • Released by an empty stomach
        • Sends signals to the brain when food is needed
        • seretonin levels depends on hunger levels
      • Leptin
        • Lipostatic theory
          • Eating in the long term due to the need to eat fats.
          • Neuropeptide
            • Minute protien
              • Sends signals to the brain
      • PYY
        • Batterham
        • Suppreses appetite
        • When PYY levels are high, hunger levels are low
        • Released from a full stomach

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