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Paroxysmal Dyskinesia.

Paul S. Fishman1

  • 1Department of Neurology, University of Maryland School of Medicine, 22 Greene Street, Box 281, Baltimore, MD 21201, USA.

Current Treatment Options in Neurology
|October 3, 2001
PubMed
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Paroxysmal dyskinesias involve sudden, involuntary movements, distinct from epilepsy. Ongoing research investigates their causes and links to other episodic disorders.

Area of Science:

  • Neurology
  • Movement Disorders

Background:

  • Paroxysmal dyskinesias are characterized by episodic involuntary movements.
  • Clinical presentations vary widely, including tonic spasms, choreiform, athetoid movements, and dystonic postures.

Purpose of the Study:

  • To differentiate paroxysmal dyskinesias from epilepsy.
  • To investigate the underlying basis and relationships of paroxysmal dyskinesias.

Main Methods:

  • Clinical characterization of involuntary movement disorders.
  • Electroencephalogram (EEG) to assess for epileptiform activity.
  • Differential diagnosis from epilepsy.

Main Results:

  • Paroxysmal dyskinesias are not typically associated with altered consciousness.

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  • Electroencephalograms generally show no epileptiform activity in these disorders.
  • Distinguishing these from reflex epilepsy is crucial.

    • Conclusions:

    • Paroxysmal dyskinesias represent a distinct group of movement disorders.
    • Further research is needed to understand their etiology and connections to other paroxysmal conditions.