Psychology Eating Disorders Biological and Evolutionary Hypothesis

Biological explanations of eating disorders and evolutionary hypothesis

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1. What do we use to test the evolutionary hypothesis instead?

  • Knowledge, fossil evidence, teeth, digestive system of skeletons
  • History
  • Common knowledge and scientific discoveries from previous studies
  • The behavioural approach
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2. What are the signals for starting a meal?

  • Release of saliva, hearing food, leptin
  • Cultural schedule, release of saliva, taste and smell of food, ghrelin
  • Taste and smell of food, hypothalamus, cultural schedule, lateral hypothalamus
  • Leptin, release of saliva, hearing food

3. What were the advantages of eating meat and humans being omnivores?

  • To show off food
  • To get fat
  • More efficient way of eating - quick and makes you more full.
  • To live

4. What is taste aversion learning?

  • Crying when eating
  • A food making us sick and avoiding it in future
  • Eating too little
  • Eating too much

5. The biological explanation for eating is

  • Reductionist and animal studies may not reliably reflect human eating centres
  • Amazing
  • Science

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