Final answer:
Ataxia is a movement disorder of the cerebellum characterized by impaired coordination and balance.
Step-by-step explanation:
Ataxia is a movement disorder of the cerebellum characterized by impaired coordination and balance. It results in a loss of coordination in voluntary movements and sensory deficits that cause problems with balance, proprioception, and equilibrium. Ataxia can be observed in movement and is associated with cerebellar damage.