Suppose that in the middle of a given action, the goal is unexpectedly altered. In reaction to this change, the reorganization of ongoing action entails a modification of the predefined motor program ...

If you have impaired muscle coordination or control, you might have a type of ataxia. This condition is rare, but it can make it difficult to maintain balance, speak, or move. “Ataxia” is the medical ...

Cerebellar ataxia results from dysfunction of the cerebellum, which is part of the brain that helps regulate and control movement and balance. People may experience changes in gait, speech, and eye ...