Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) familial paroxysmal kinesigenic dyskinesia ?
    ### Response:
    Familial paroxysmal kinesigenic dyskinesia is a disorder characterized by episodes of abnormal movement that range from mild to severe. In the condition name, the word paroxysmal indicates that the abnormal movements come and go over time, kinesigenic means that episodes are triggered by movement, and dyskinesia refers to involuntary movement of the body.
    