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Updated: Jun 24, 2026

Rating L-DOPA-Induced Dyskinesias in the Unilaterally 6-OHDA-Lesioned Rat Model of Parkinson's Disease

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The paroxysmal dyskinesias.

Anne-Fleur van Rootselaar¹, Steven Schade van Westrum, Demetrios N Velis

¹Department of Neurology and Clinical Neurophysiology, Academic Medical Centre, University of Amsterdam, The Netherlands.

Practical Neurology

|March 18, 2009

Summary

This summary is machine-generated.

Paroxysmal dyskinesias are movement disorders causing sudden, painless movements. Understanding their four subtypes aids diagnosis and treatment, overcoming common diagnostic delays.

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Area of Science:

Neurology
Movement Disorders

Background:

Paroxysmal dyskinesias present diagnostic challenges due to intermittent symptoms and normal neurological exams between attacks.
Misdiagnosis as non-organic disorders is common, highlighting the need for specialized knowledge.

Observation:

Four subtypes exist: paroxysmal kinesigenic, non-kinesigenic, exercise-induced, and hypnogenic dyskinesia.
Classification is based on triggers, attack duration/frequency, medication response, and associated syndromes.

Findings:

This review details the characteristics of each subtype.
It covers differential diagnosis, genetics, and pathophysiology.

Implications:

Provides practical guidance for diagnostic work-up and treatment strategies.
Aims to improve recognition and management of these rare movement disorders.