EXPLANATIONS OF OCD

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1. give the 3 main psychological explanations of ocd?

  • develpomental, cognitive, psychodynamic
  • behavioural, cognitive, psychodynamic
  • behavioural, psychological,cognitive
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2. give a strategy which has developed as an evolutionary adapatation

  • harm avoidance strategy
  • cleaning
  • hoarding

3. give an example of physiological evidence to support OCD being biological?

  • PET scan showed that people with OCD have an increased metabolism of glucose in the OFC loop of the brain
  • a decrease in glucose metablolism in the brain when experiencing ocd

4. name an alternative gene to the COMT gene and what it showed?

  • the SAPAP3 gene which showed and increase in grooming with mice
  • the SAPAP gene showing a decrease in mice grooming themselves

5. name 3 behaviours that result as evolutionary adaptations

  • grooming, concern for others, hoarding
  • cleaning, tidying, hoarding
  • brushing, dancing, stuttering

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