Role of Lateral Hypothalamus in controlling eating behaviour
Activated by low levels of blood glucose causing feelings of hunger so the individual starts eating
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Role of Ventromedial Hypothalamus
Activated high levels of blood sugar causing feelings of satiety (fullness) so the individual stops eating
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Issue of the Glucostat theory
Cannot be considered adaptive like it suggests it is as it should anticipate low levels of blood sugars instead of waiting till levels of blood sugar are low
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What did Lutter et al. find?
The hormone gherlin produced in response to stress also increases appetite
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Which study found that when the LH was damaged it caused rats to stop eating but when it was stimulated it caused rats to overeat?
Heatherington and Ranson
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What did Wickens find?
When Neuropeptide Y is injected into the hypothalmus of rats it causes overeating
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Which study found that when additional neuropeptide Y was injected into rat's hypothalamus it led to obesity?
Stanley et al.
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What did Yang et al. find?
Neuropeptide Y is produced by the hypothalamus leading to overeating then when abdominal fat is gained, the fat produces neuropeptide Y leading to more overeating
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What is Leptin's role in 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
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Which study found that when rats were injected with leptin they lost weight?
Zhang et al.
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Issue with non-human research research being generalised to human research?
Obese women had normal levels or high levels of leptin suggesting leptin has different roles in different animals' bodies
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Other cards in this set
Card 2
Front
Role of Ventromedial Hypothalamus
Back
Activated high levels of blood sugar causing feelings of satiety (fullness) so the individual stops eating
Card 3
Front
Issue of the Glucostat theory
Back
Card 4
Front
What did Lutter et al. find?
Back
Card 5
Front
Which study found that when the LH was damaged it caused rats to stop eating but when it was stimulated it caused rats to overeat?
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