Neural Mechanisms of Controlling Eating behaviour

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1. Issue with non-human research research being generalised to human research?

  • It's too simplistic
  • Obese women had normal levels or high levels of leptin suggesting leptin has different roles in different animals' bodies
  • It's too expensive
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2. Role of Lateral Hypothalamus in controlling eating behaviour

  • Activated high levels of blood sugar causing feelings of satiety (fullness) so the individual stops eating
  • Activated high levels of blood sugar causing feelings of satiety (fullness) so the individual starts eating
  • Activated by low levels of blood glucose causing feelings of hunger so the individual starts eating
  • Activated by low levels of blood glucose causing feelings of satiety so the individual starts eating

3. Which does neuropeptide Y do in terms of controlling eating behaviour?

  • It's produced by fat cells and impulses are sent to the brain about the amount of fat cells present, obese rats have a deficiency in leptin
  • It stimulates the hypothalamus increasing appetite
  • It's produced by fat cells and impulses are sent to the brain about the amount of fat cells present, obese rats have a high levels of leptin
  • It stimulates the hypothalamus decreasing appetite

4. Role of Ventromedial Hypothalamus

  • Activated high levels of blood sugar causing feelings of satiety (fullness) so the individual stops eating
  • Activated by low levels of blood glucose causing feelings of hunger so the individual starts eating
  • Activated by low levels of blood glucose causing feelings of satiety so the individual starts eating
  • Activated high levels of blood sugar causing feelings of satiety (fullness) so the individual starts eating

5. Which study found that when rats were injected with leptin they lost weight?

  • Heatherington and Ranson
  • Lutter et al.
  • Zhang et al.
  • Yang et al.

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