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6. which researcher was the psychodynamic approach based upon?

  • Freud
  • bandura
  • johnson

7. give the 3 main psychological explanations of ocd?

  • develpomental, cognitive, psychodynamic
  • behavioural, cognitive, psychodynamic
  • behavioural, psychological,cognitive

8. The high amounts of the COMT gene is linked to a decrease in OCD,why?

  • because it terminates the action of dopamine which can cause the obsession through overactivity
  • decreases serotonin
  • increases dopamine

9. Abnormal levels of neurotransmitters can cause an increase in the likelihood of having ocd, state the two main neurotransmitters invloved?

  • testosterone and serotonin
  • serotinin and dopamine
  • cortisol and dopamine

10. what did a study on 343 family and relatives show?

  • that 80 of the first degree relatives also had ocd
  • that there was no link between relaives and ocd patients
  • that all relatives also had ocd

11. 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

12. give a strategy which has developed as an evolutionary adapatation

  • hoarding
  • harm avoidance strategy
  • cleaning

13. 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

14. what did meta analysis of 14 twin studies find

  • monozygotic twins were twice as likely to have ocd if their twin has it
  • that there was no correlation
  • 10 times as likely to develop ocd if twin has it

15. do antidepressants increase or decrease serotonin levels?

  • increase which reduces the anxiety which stimulates an obsession
  • decrease which reduces the anxiety associated with an obsession