Cerebellar Ataxia is a name for a disorder of the nervous system that cause mobility problems and a lack of co-ordination. Its name comes from the word cerebellum, the part of the brain that controls balance and co-ordination. There are genetic forms of the disease. In addition, some cerebellar ataxias can be caused by brain injury, viral infections or tumours. This section contains official information, facts and advice for sufferers of cerebellar ataxia along with treatment, research and medical information about the disorder.