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Related Experiment Videos

[The "obsessive-compulsive spectrum": a useful concept?]

J L Rapoport1

  • 1NIMH, Bethesda, Maryland.

L'Encephale
|December 1, 1994
PubMed
Summary

Researchers are exploring conditions similar to Obsessive Compulsive Disorder (OCD) that involve repetitive behaviors. Few studies examine this spectrum neurobiologically, with limited biological evidence linking other disorders to OCD.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Behavioral Science

Background:

  • Obsessive Compulsive Disorder (OCD) research has expanded to include conditions with similar repetitive behaviors.
  • These related disorders share an inability to inhibit or delay compulsive actions.
  • Current research often lacks a neurobiological perspective on the OCD spectrum.

Purpose of the Study:

  • To investigate the neurobiological underpinnings of disorders with repetitive behaviors.
  • To explore the concept of a spectrum connecting OCD with other conditions.
  • To identify disorders with convincing biological evidence of continuity with OCD.

Main Methods:

  • Review of existing pharmacological treatment trials for OCD-related conditions.
  • Analysis of neurobiological evidence for shared pathways.
  • Comparative study of repetitive behavior disorders.

Main Results:

  • A second wave of research examines conditions superficially similar to OCD.
  • Few studies have explored the neurobiological spectrum of these disorders.
  • Convincing biological continuity with OCD is limited to Tourette's Disorder, Trichotillomania, and possibly Sydenham's Chorea.

Conclusions:

  • The neurobiological spectrum of OCD remains underexplored.
  • More research is needed to understand the biological links between OCD and related repetitive behavior disorders.
  • Current evidence suggests limited, specific neurobiological continuity between OCD and many superficially similar conditions.

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