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Related Experiment Videos

Psychosis in body dysmorphic disorder.

Katharine A Phillips1

  • 1Butler Hospital and The Department of Psychiatry and Human Behavior, Brown Medical School, 345 Blackstone Boulevard, Providence, RI 02906, USA. katherine_phillips@brown.edu

Journal of Psychiatric Research
|December 24, 2003
PubMed
Summary

Body dysmorphic disorder (BDD) may exist on a spectrum of insight, challenging current diagnostic classifications. Research suggests a dimensional approach to psychosis in BDD could improve understanding and treatment.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Body dysmorphic disorder (BDD) is classified into psychotic and nonpsychotic variants in DSM-IV.
  • These variants are currently categorized as separate disorders: delusional disorder and a somatoform disorder.

Observation:

  • Despite separate classifications, BDD's delusional and nondelusional forms exhibit significant similarities.
  • The delusional variant of BDD appears more severe than the nondelusional form.

Findings:

  • Evidence suggests BDD's variants may represent a single disorder with a spectrum of insight.
  • BDD's delusional form, despite being classified as psychotic, responds to serotonin-reuptake inhibitors alone.
  • A dimensional view of psychosis, particularly delusions, may be more accurate than the current categorical DSM approach.

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Implications:

  • A dimensional model could enhance classification accuracy for BDD and related disorders with varying insight levels.
  • This perspective may improve diagnostic consistency for conditions like obsessive compulsive disorder, hypochondriasis, and anorexia nervosa.
  • Further research is crucial to understand these classification issues and their impact on treatment strategies.