The biological approach to explaining OCD

Question 1

What is a candidate gene

Answer 1

Specific genes which create a vulnerability for a mental disorder

Question 2

What are two types of genes shown to be a candidate gene to OCD

Answer 2

Serotonin genes
Dopamine genes

Question 3

What are serotonin genes

Answer 3

They are implanted in the transmission of serotonin across synapses

Question 4

What is an example of a serotonin gene

Answer 4

5HT1-D beta

Question 5

What does serotonin and dopamine regulate

Answer 5

Mood

Question 6

What does it mean by calling OCD polygenic

Answer 6

OCD is not caused by one single gene but several genes involved

Question 7

What did Taylor (2013) find out about OCD and being polygenic

Answer 7

There are 230 different genes that may be involved in OCD

Question 8

What does the COMT gene do

Answer 8

Helps reduce the action of dopamine

Question 9

What does the SERT gene do

Answer 9

Affects the transport of serotonin

Question 10

What does the diathesis stress model suggest about OCD

Answer 10

People gain a vulnerability towards OCD through genes but an environmental stressor is required

Question 11

Are levels of serotonin lower or higher in those suffering with OCD

Answer 11

Lower

Question 12

Are levels of dopamine higher or lower in those suffering with OCD

Answer 12

Higher

Question 13

What is dysfunctional about people with OCD

Answer 13

Frontal Lobe

Question 14

What is the frontal lobe responsible for

Answer 14

Logical thinking and making decisions