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Related Experiment Video

Updated: Apr 20, 2026

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Paroxysmal movement disorders.

Olga Waln1, Joseph Jankovic2

  • 1Department of Neurology, Houston Methodist Neurological Institute, 6560 Fannin, Suite 802, Houston, TX 77030, USA.

Neurologic Clinics
|November 30, 2014
PubMed
Summary
This summary is machine-generated.

Paroxysmal dyskinesias are episodic involuntary movements like dystonia or chorea. This review updates knowledge on their causes, genetics, diagnosis, and treatment.

Keywords:
Episodic ataxiaParoxysmal choreoathetosisParoxysmal dyskinesiaParoxysmal dystonia

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Area of Science:

  • Neurology
  • Movement Disorders

Background:

  • Paroxysmal dyskinesias involve episodic involuntary movements such as dystonia, chorea, or athetosis.
  • These disorders are classified into types like paroxysmal kinesigenic, nonkinesigenic, exertion-induced, and hypnogenic dyskinesia, based on triggers and clinical features.

Purpose of the Study:

  • To provide a comprehensive review of current knowledge on paroxysmal dyskinesias.
  • To summarize updates on the etiology, pathophysiology, genetics, clinical presentation, differential diagnosis, and treatment of these episodic movement disorders.

Main Methods:

  • Literature review of recent studies and clinical findings.
  • Synthesis of information on primary (genetic) and secondary (symptomatic) forms of paroxysmal dyskinesias.

Main Results:

  • Primary paroxysmal dyskinesias are typically autosomal dominant genetic conditions.
  • Secondary forms are associated with various neurological and medical conditions.
  • Distinct clinical features differentiate subtypes, influencing treatment response.

Conclusions:

  • Paroxysmal dyskinesias encompass a spectrum of episodic movement disorders with diverse etiologies.
  • Accurate diagnosis and understanding of underlying causes are crucial for effective management.
  • Further research is needed to refine treatment strategies and understand pathophysiology.