Genetic Explanation of OCD

?
Why do we develop OCD according to the genetic explanation?
It is the result of a gene which you have inherited
1 of 13
What did Carey 1981 find?
With identical twins there was 87% chance that if one twin developed OCD so would the other and if the twin
2 of 13
What did Pauls et al do?
Interviewed first degree family members for signs of OCD
3 of 13
What did Pauls et al find?
Rates of OCD in family was 10% compared to healthy controls (2%)
4 of 13
What is the average chance of developing OCD?
1-3% chance
5 of 13
Which gene did Woods 2008 state stopped mice developing trichotillomania?
Hoxb8
6 of 13
What happen when a litter of mice were bred without this gene?
Every mouse in the litter licked and nibbled until they were bald
7 of 13
What does this suggest?
There may be specific genes for types of OCD
8 of 13
Which gene did Feng et al say caused OCD in humans?
The sapap 3 gene
9 of 13
There is consistent evidence that...
Genes play a role
10 of 13
Relatives also share...
A similar environment so it may not be a clean measure
11 of 13
Sharing an environment with someone...
With OCD may cause stress which brings on OCD
12 of 13
Why must there be other factors which play a role?
Because the concordance rates are not 100%
13 of 13

Other cards in this set

Card 2

Front

What did Carey 1981 find?

Back

With identical twins there was 87% chance that if one twin developed OCD so would the other and if the twin

Card 3

Front

What did Pauls et al do?

Back

Preview of the front of card 3

Card 4

Front

What did Pauls et al find?

Back

Preview of the front of card 4

Card 5

Front

What is the average chance of developing OCD?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Obsessive compulsive disorders resources »