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Obsessive-compulsive beliefs and treatment outcome
P T Lelliott1, H F Noshirvani, M Başoğlu
1Department of Experimental Psychopathology, Institute of Psychiatry, London.
Psychological Medicine
|August 1, 1988
Summary
Obsessive-compulsive disorder (OCD) patients with bizarre beliefs responded well to treatment. Beliefs normalized with habituation, improving irrationality recognition and urge control.
Area of Science:
- Psychiatry
- Clinical Psychology
- Neuroscience
Background:
- Obsessive-compulsive disorder (OCD) is characterized by obsessions and compulsions.
- Understanding the cognitive underpinnings of OCD is crucial for effective treatment.
Observation:
- One-third of patients perceived obsessive thoughts as rational, believing rituals prevented feared events.
- Bizarre obsessive beliefs were more strongly defended; 12% did not resist ritualizing urges.
- Illness duration did not correlate with belief fixity or urge resistance.
Findings:
- Patients with bizarre/fixed beliefs responded as well to exposure therapy as those with senseless obsessions.
- Initial ability to control obsessions or resist rituals did not predict treatment outcome.
- One year post-treatment, improved patients recognized irrationality and controlled urges more easily.
Implications:
- Treatment efficacy in OCD is not solely dependent on the perceived rationality of obsessions.
- Habituation through exposure therapy may lead to the normalization of obsessive beliefs.
- Improved cognitive insight and urge control are key outcomes of successful OCD treatment.