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Related Experiment Videos

Obsessions and compulsions in Prader-Willi syndrome

E M Dykens1, J F Leckman, S B Cassidy

  • 1Yale Child Study Center, New Haven, USA.

Journal of Child Psychology and Psychiatry, and Allied Disciplines
|November 1, 1996
PubMed
Summary

People with Prader-Willi syndrome (PWS) exhibit significant non-food obsessions and compulsions, similar to those seen in obsessive-compulsive disorder (OCD). This suggests a higher risk of OCD in individuals with PWS.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Genetics

Background:

  • Prader-Willi syndrome (PWS) is a complex genetic disorder.
  • Non-food obsessions and compulsions are recognized but understudied in PWS.
  • Understanding these symptoms is crucial for PWS management.

Purpose of the Study:

  • To investigate the characteristics, severity, and associated factors of non-food obsessions and compulsions in PWS.
  • To compare obsessive-compulsive symptoms in adults with PWS to those with diagnosed obsessive-compulsive disorder (OCD).

Main Methods:

  • A cross-sectional study of 91 individuals with PWS (aged 5-47).
  • Assessment of non-food obsessions and compulsions, including severity and distress.
  • Comparison of obsessive-compulsive symptoms between 43 adults with PWS and age/sex-matched adults with OCD.

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Main Results:

  • Hoarding, ordering, symmetry concerns, rewriting, and repetitive questioning were prominent symptoms in PWS.
  • A high percentage of PWS participants experienced moderate to severe symptoms, distress, and functional impairment.
  • PWS and OCD groups showed comparable symptom severity and number of compulsions, with significant symptom overlap.

Conclusions:

  • Individuals with PWS frequently experience significant non-food obsessions and compulsions.
  • There is a strong indication of increased risk for obsessive-compulsive disorder (OCD) in persons with PWS.
  • Findings support tailored pharmacotherapy, behavioral interventions, and family support for PWS patients with obsessive-compulsive symptoms.