Biological explanations of depression

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  • Created by: Roisin
  • Created on: 12-03-16 11:22
What do twin studies show?
MZ twins share genes and the environment so if MZ concordance rates are high, it suggests a genetic cause
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What do adoption studies do?
Separate environmental factors from genetic factors
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What does a lack of 100% concordance in MZ twins show?
The environment does have an impact but genes have a larger influence
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What does Kety et al's permissive amine theory suggest?
Serotonin controls fluctuations of noradrenaline
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How do SSRIs treat depression?
Inhibit the reuptake of serotonin at the presynaptic neuron
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What was Kennett et al's explanation of the time delay of treatment?
The drugs work by changing the brain structure to make the neurons more sensitive
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What does the diathesis stress model suggest?
You only inherit a vulnerability to depression and only develop it if you experience significant life stressors
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Card 2

Front

What do adoption studies do?

Back

Separate environmental factors from genetic factors

Card 3

Front

What does a lack of 100% concordance in MZ twins show?

Back

Preview of the front of card 3

Card 4

Front

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

Back

Preview of the front of card 4

Card 5

Front

How do SSRIs treat depression?

Back

Preview of the front of card 5
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