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Definition
By Mayo Clinic staff
Ataxia describes a lack of muscle coordination during voluntary movements, such as walking or picking up objects. A sign of an underlying condition, ataxia can affect your movements, your speech, your eye movements and your ability to swallow.
Persistent ataxia usually results from damage to your cerebellum — the part of your brain that controls muscle coordination. Many conditions may cause ataxia, including alcohol abuse, stroke, tumor, cerebral palsy and multiple sclerosis. It's also possible to inherit a defective gene that may cause one of many ataxia variants.
Treatment for ataxia depends on the underlying cause. Adaptive devices, such as walkers or canes, might help you maintain your independence despite your ataxia. You may also benefit from physical therapy, occupational therapy and speech therapy.
- NINDS ataxias and cerebellar or spinocerebellar degeneration information page. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/ataxia/ataxia.htm. Accessed Dec. 9, 2010.
- Frequently asked questions about Fredreich's ataxia (FRDA). National Ataxia Foundation. http://www.ataxia.org/resources/publications.aspx. Accessed Dec.30, 2010.
- Paulson HL. The spinocerebellar ataxias. Journal of Neuro-Opthalmology. 2009;29:227.
- Frequently asked questions about episodic ataxia. National Ataxia Foundation. http://www.ataxia.org/resources/publications.aspx. Accessed Dec. 9, 2010.
- Klockgether T. Sporadic ataxia with adult onset: Classification and diagnostic criteria. The Lancet Neurology. 2010;9:94.
- Ataxia-Telangiectasia (A-T). National Ataxia Foundation. http://www.ataxia.org/resources/publications.aspx. Accessed Dec. 9, 2010.
- Ataxia telangiectasia: Fact sheet. National Cancer Institute. http://www.cancer.gov/cancertopics/factsheet/ataxiaqa. Accessed Dec. 9, 2010.
- Opal P, et al. Overview of the hereditary ataxias. http://www.uptodate.com/home/index.html. Accessed Nov. 22, 2010.
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