Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Cerebellar Disorders ?
    ### Response:
    When you play the piano or hit a tennis ball you are activating the cerebellum. The cerebellum is the area of the brain that controls coordination and balance. Problems with the cerebellum include       - Cancer    - Genetic disorders    - Ataxias - failure of muscle control in the arms and legs that result in movement disorders    - Degeneration - disorders caused by brain cells decreasing in size or wasting away       Treatment of cerebellar disorders depends on the cause.
    