The biological approach to explaining OCD: genetic explanations evaluation

  • Created by: gemshort
  • Created on: 18-05-18 15:58

Strength: there is evidence that some people are vulnerable to OCD as a result of their genetic makeup

  • Nestadt et al (2010) reviewed previous twin studies and found that 68% of identical twins shared OCD compared to 31% of nonidentical twins
  • This strongly suggests a genetic influence in OCD

Weakness: a genetic explanation is unlikely to ever be very useful because it provides little predictive value

  • Psychologists have been quite unsuccessful at pinning down all the genes involved in OCD
  • One reason for this is that it appears that several genes are involved and


No comments have yet been made

Similar Psychology resources:

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