Stats and studies

• Derubien (2005)

   CBT and SSRIs are equally effective 58% effective. 
• Hollen (2007)CBT is more effective than drugs at preventing relapse 31% with drugs 76%. 
• Keller et al (2000)

  55% drugs 52% CBT

  85% both
• March et al 

  compared the effects of CBT with antidepressants and found 81% of both the antidepressants and CBT group had significantly improved.
• Taylor (2013) 

  carried out a meta-analysis, finding as many as 230 different genes implicated in developing OCD- polygenic. 
• Pigott et al (1990)

   found that antidepressant drugs that increase serotonin activity have been seen to reduce OCD symptoms. 
• Nestadt et al (2010)

  68% of identical twins shared OCD while 31% of DZ twins. 
• Menzies et al (2007) – MRI of brain activity in ofc, OCD patients and close relatives had reduced grey matter in the ofc. 
• Soomro et al (2008)

  Found SSRIs were more effective than placebo for OCD in 70% of cases in 17 trials.   
• Gilroy (2003)

   followed up 42 people with a spider phobia in x3 45 min sessions. At both 3 and 33months the SD group were less fearful
• Watson and Rayner (1920) 

  created a phobia in a 9 month old baby called ‘Little Albert’.  At the beginning of the study Little Albert showed no fear response to white furry objects: a white rat, a white rabbit and white cotton wool.  However, the experimenters then set out to give Albert a phobia.