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'''Ataxia''' is a [[neurology|neurological]] symptom characterized by gross incoordination of muscle movements usually caused by damage to parts of the [[brain]] or [[central nervous system]] which coordinate movement. There are several possible causes for the condition ranging from physical [[injury]], [[disease]], [[stroke]], [[cancer|tumour]]s, [[drugs|substance abuse]], hereditary factors<ref>[http://www.ataxia.org.uk/publications_and_pictures/genetics_and_ataxia.pdf Genetics and Ataxia]</ref> and [[vitamin]] deficiency. It is a symptom of [[Creutzfeldt-Jakob disease]]. <ref>[http://www.ataxia.org.uk/publications_and_pictures/ca_leaflet.pdf Information about Cerebellar Ataxia]</ref>
"International Ataxia Awareness Day" is held on September 25 each year.
==Types of ataxia==
===Cerebellar ataxia===
The term '''cerebellar ataxia''' is used to describe ataxia due to dysfunction of the [[cerebellum]].
===Sensory ataxia===
The term '''sensory ataxia''' is used to describe ataxia due to loss of ''proprioception'' (sensitivity to joint and body part position).
=== Vestibular ataxia===
[[Image:Ear internal anatomy numbered svg.png|thumb|Vestibular system of the human ear]]The term '''vestibular ataxia''' is used to describe ataxia due to dysfunction of the vestibular or balance system, which in acute and unilateral cases may be associated with vertigo, nausea and vomiting.
==External links==
* [http://www.ataxia.org.uk/ Ataxia UK]
* [http://www.nhsdirect.nhs.uk/articles/article.aspx?articleId=2292 NHS Direct - Health Encyclopedia: Ataxia]
==Notes & references==
<references/>
[[Category:Neuroscience]]