Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Dyssynergia Cerebellaris Myoclonica ?
    ### Response:
    Dyssynergia Cerebellaris Myoclonica refers to a collection of rare, degenerative, neurological disorders characterized by epilepsy, cognitive impairment, myoclonus, and progressive ataxia. Symptoms include seizures, tremor, and reduced muscle coordination. Onset of the disorder generally occurs in early adulthood.
    