Biological Explanations For OCD

Question 1

Genetics

Answer 1

• inherited from parents through your genes
• if you inherit certain genes you might be more likely to have OCD

Question 2

Compt gene

Answer 2

If you inherit specific gene variation could be more vulnerable to OCD
- associated with the production of an enzyme that regulates the function of dopamine so dopamine isn’t regulated.

• too much dopamine = OCD

Question 3

Sert gene

Answer 3

Affects transport of serotonin causing lower levels
- low levels assossiated with OCD
-sert gene is mutated in those with OCD Causing low levels of seretonin

Question 4

Twin studies

Answer 4

Billet- identical twins share 100% of genetic makeup and they’re 2x more likely to have OCD if the other one has it compared to non identical twins who only share 50% genetic makeup.
-strong evidence for the role of genetics in OCD

Question 5

Evaluation for the roles of genes in OCD

Answer 5

advantages -
- drugs that increase serotonin and drugs that decreases dopamine levels have been shown to reduce OCD symptoms.
-twin studies supporting research

Disadvantages-
-genes alone don’t determine if u will have OCD just makes u more vulnerable to it they’re not a direct cause.
-diathesis stress model- can be genetically predisposed to OCD but a stressful environment or event can trigger it.