Acute cerebellar ataxia is a disorder of the nervous system. It is the sudden onset of a disturbance in coordination. The cerebellum is the part of the brain that plays an important role in balance and coordination. It does not function properly in the case of cerebellar ataxia.

Cerebellum (Darker Pink Section)
Bottom view brain
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Acute cerebellar ataxia may be caused by genetics, viral infections, autoimmune disorders, or injury. In some cases, the cause is unknown.