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Psychogenic palatal tremor.

Sarah Pirio Richardson1, Zoltan Mari, Masao Matsuhashi

  • 1Human Motor Control Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA.

Movement Disorders : Official Journal of the Movement Disorder Society
|October 8, 2005
PubMed
Summary
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This study details a case of psychogenic palatal tremor, diagnosed using clinical and neurophysiological methods. It highlights the value of these tests in identifying psychogenic movement disorders.

Area of Science:

  • Neurology
  • Neuroscience
  • Movement Disorders

Background:

  • Palatal tremor is an involuntary rhythmic movement of the palate.
  • It can be essential or secondary to other neurological conditions.
  • Psychogenic movement disorders present with symptoms mimicking organic neurological diseases.

Observation:

  • A case of psychogenic palatal tremor was identified.
  • The patient presented with characteristic symptoms of palatal tremor.
  • Clinical examination and detailed neurophysiological testing were performed.

Findings:

  • Diagnosis was confirmed through clinical criteria and advanced neurophysiological testing.
  • Frequency analysis and jerk-locked back-averaging supported the psychogenic origin.

Related Experiment Videos

  • These methods differentiate psychogenic tremor from organic causes.

    • Implications:

    • Neurophysiological testing is crucial for diagnosing psychogenic movement disorders.
    • This case expands the understanding of psychogenic palatal tremor.
    • It underscores the importance of a comprehensive diagnostic approach.