Dyssynergia Cerebellaris Myoclonica refers to a collection of rare, degenerative, neurological disorders characterized by epilepsy, cognitive impairment, myoclonus, and progressive ataxia. Symptoms include seizures, tremor, and reduced muscle coordination. Onset of the disorder generally occurs in early adulthood. Tremor may begin in one extremity and later spread to involve the entire voluntary muscular system. Arms are usually more affected than legs. Some of the cases are due to mitochondrial abnormalities.
|National Institute on Deafness and
Other Communication Disorders (NIDCD)
National Institutes of Health, DHHS
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|National Ataxia Foundation (NAF)
2600 Fernbrook Lane North
Minneapolis, MN 55447-4752
|National Organization for Rare Disorders (NORD)
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Danbury, CT 06810
Tel: 203-744-0100 Voice Mail 800-999-NORD (6673)
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National Institute of Neurological Disorders and Stroke
National Institutes of Health
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Last updated February 14, 2011