Biological explanations of depression

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

1. What was Kennett et al's explanation of the time delay of treatment?

  • The drugs don't affect neurotransmitter levels and instead affect your genes
  • The drugs work by changing the brain structure to make the neurons more sensitive
  • Most of the neurotransmitters are broken down before they reach tbe brain
  • It takes a long time for the neurotransmitters to reach the brain
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2. What does a lack of 100% concordance in MZ twins show?

  • Gender has an impact
  • The environment does not have an impact
  • The environment does have an impact but genes have a larger influence
  • The environment has an impact and has a larger influence than genes

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

4. How do SSRIs treat depression?

  • Inhibit the reuptake of serotonin at the postsynaptic neuron
  • Cause the reuptake of serotonin at the presynaptic neuron
  • Inhibit the reuptake of serotonin at the presynaptic neuron
  • Cause the reuptake of serotonin at the postsynaptic neuron

5. What do adoption studies do?

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