Biological explanation

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1. What are the two biological explanations?

  • Genetic influence and neurotransmitter dysfunction
  • Family studies, neurotransmitter imbalance
  • Neurotransmitter deficiency, Genes
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2. How many times more prevalent is mutant gene that starves brain of serotonin in depressed patients

  • 20 times
  • 10 times
  • 5 times

3. Why must depression have a biological basis?

  • Support from scientific research
  • Because it's so widespread
  • Changes in cognitive processes

4. What was the response of patients who were treated with a dual serotonin-nor-adrenaline-re-uptake inhibitor compared to those treated with a placebo?

  • Negative
  • Positive
  • No significant difference

5. What are the four aspects?

  • Physical symptoms, appears to run in families, success of anti-depressants, injury or medication that gives rise to depression
  • Physical symptoms, neurotransmitter malfunction, success of anti-depressants, adaptive functions


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