1. give the 3 main psychological explanations of ocd?
- develpomental, cognitive, psychodynamic
- behavioural, cognitive, psychodynamic
- behavioural, psychological,cognitive
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2. what concordance rates were found between twins with OCD?
- 87% concordance between MZ twins only 13% environmental
- 96% DZ twins with only 4% environmental
- 40% concordance rates
3. 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
4. name 3 behaviours that result as evolutionary adaptations
- brushing, dancing, stuttering
- grooming, concern for others, hoarding
- cleaning, tidying, hoarding
5. 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