Biological explanations of depression

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  • Created by: Roisin
  • Created on: 12-03-16 11:22

1. How do SSRIs treat depression?

  • Inhibit the reuptake of serotonin at the presynaptic neuron
  • Cause the reuptake of serotonin at the presynaptic neuron
  • Cause the reuptake of serotonin at the postsynaptic neuron
  • Inhibit the reuptake of serotonin at the postsynaptic neuron
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2. What does the diathesis stress model suggest?

  • You only inherit a vulnerability to depression and only develop it if you experience significant life stressors
  • Depression is only based on genes
  • If you have the gene for depression, you will definitely develop it
  • Depression is only determined based on the environment

3. What does Kety et al's permissive amine theory suggest?

  • Serotonin controls fluctuations of noradrenaline
  • Noradrenaline controls fluctuations of serotonin
  • Noradrenaline has no effect on depression
  • Serotonin has no effect on depression

4. What do twin studies show?

  • MZ twins share genes and the environment so if MZ concordance rates are low, it suggest a genetic cause
  • MZ twins share genes and the environment so if MZ concordance rates are high, it suggests an environmental impact
  • MZ twins share genes and the environment so if MZ concordance rates are high, it suggests a genetic cause
  • MZ twins only share the environment so if MZ concordance rates are high, it suggests a genetic cause

5. What do adoption studies do?

  • Separate environmental factors from gender differences
  • Separate environmental factors from genetic factors
  • Combine environmental factors and genetic factors
  • Separate environmental factors from cultural factors

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