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Motor conversion disorders reviewed from a neuropsychiatric perspective.

Maxwell M Krem1

  • 1Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA. mkrem@im.wustl.edu

The Journal of Clinical Psychiatry
|August 5, 2004
PubMed
Summary

Motor conversion disorder diagnosis is improving with advances in neuropsychiatric research. Objective criteria and new pathophysiologic insights enhance diagnostic accuracy for these movement disorders.

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Area of Science:

  • Neuropsychiatry
  • Neurology
  • Psychosomatic Medicine

Background:

  • Conversion disorder presents with pseudoneurologic symptoms affecting motor or sensory function.
  • Diagnosing motor conversion disorder is challenging due to a lack of definitive tests and clear diagnostic criteria.
  • This review examines epidemiology, pathophysiology, diagnosis, and treatment of motor conversion.

Purpose of the Study:

  • To review the diagnostic validity, reliability, and utility of strategies for motor conversion disorder.
  • To evaluate empirical evidence supporting diagnostic and treatment approaches.
  • To synthesize current understanding of motor conversion disorder.

Main Methods:

  • Conducted literature searches in PubMed using keywords like "conversion disorder" and "motor conversion".

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  • Included relevant articles and book chapters from personal collections.
  • Focused on diagnostic validity, reliability, and treatment strategies.

    • Main Results:

    • Advances in neuropsychiatric research are improving diagnosis and understanding of motor conversion.
    • Objective and quantitative diagnostic criteria show promise for increased accuracy.
    • Pathophysiologic research is beginning to explain conversion symptoms mechanistically.

    Conclusions:

    • Neuropsychiatric research advancements are enhancing motor conversion disorder diagnosis.
    • Objective diagnostic criteria are crucial for improving diagnostic accuracy.
    • Understanding the pathophysiology blurs the lines between psychogenic and organic motor disorders.