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Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes loosely...
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Related Experiment Video

Updated: May 19, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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[Psychogenic movement disorders].

S Drapier1, M Vérin

  • 1URU 4712 « comportement et noyaux gris centraux », université Rennes 1, 2, Rennes, France. sophie.drapier@chu-rennes.fr

Revue Neurologique
|August 18, 2012
PubMed
Summary

Psychogenic Movement Disorders (PMDs) present unique diagnostic and treatment challenges. These conversion disorder subtypes feature distinct movement patterns and often require multidisciplinary care.

Area of Science:

  • Neurology
  • Psychiatry
  • Neuroscience

Context:

  • Psychogenic Movement Disorders (PMDs) are a subtype of conversion disorder, presenting diagnostic and therapeutic challenges.
  • Characterized by acute onset, rapid progression, and movement patterns incongruent with organic disorders.
  • Diagnosis requires careful clinical assessment, as electrophysiology is not always definitive.

Purpose:

  • To outline the diagnostic and treatment complexities of Psychogenic Movement Disorders.
  • To highlight key clinical features and current therapeutic approaches.
  • To discuss the uncertain etiology and evolving understanding of PMD neurobiology.

Summary:

  • PMDs, a form of conversion disorder, exhibit distinctive clinical features like variability and distractibility.

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  • Diagnosis should not solely rely on exclusion; electrophysiological findings can be inconclusive.
  • While causes remain unclear, functional MRI suggests altered brain activity in conversion disorders.

    • Impact:

    • Emphasizes the need for integrated neurological and psychiatric care for PMD patients.
    • Highlights the importance of psychotherapy and allied health involvement in management.
    • Underscores the potential for neuroimaging to elucidate underlying brain mechanisms in PMDs.