Chapter

Intermittent ataxias

Ivan Donaldson, C. David Marsden, Susanne A. Schneider and Kailash P. Bhatia

in Marsden's Book of Movement Disorders

Published on behalf of Oxford University Press

ISBN: 9780192619112
Published online January 2012 | e-ISBN: 9780199698103 | DOI: http://dx.doi.org/10.1093/med/9780192619112.003.1185
Intermittent ataxias

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Intermittent ataxias are episodic movement disorders characterized by a predominance of cerebellar dysfunction. Thus, incoordination and ataxia are the main features. Unsteadiness and clumsiness, however, may also be due to abnormalities of proprioceptive, pyramidal, or extrapyramidal function. In some reports patients are too young or description is inadequate to be sure that unsteadiness results from cerebellar dysfunction. In most cases, however, this seems likely because signs of damage to other systems are lacking and cerebellar features are present in other patients with the disease.

Chapter.  10880 words.  Illustrated.

Subjects: Neurology

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