Abnormality of central motor function, Abnormality of coordination, Abnormality of eye movement, Abnormality of facial musculature, Abnormality of facial soft tissue, Abnormality of head and neck, Abnormality of higher mental function, Abnormality of movement, Abnormality of ocular smooth pursuit, Abnormality of pyramidal motor function, Abnormality of the central nervous system, Abnormality of the cerebellum, Abnormality of the eye, Abnormality of the face, Abnormality of the head, Abnormality of the hindbrain, Abnormality of the metencephalon, Abnormality of the musculature, Abnormality of the nervous system, Abnormality of the peripheral nervous system, Age of onset, All, Ataxia, Autosomal dominant inheritance, Cerebellar atrophy, Dysarthria, Facial myokymia, Gait ataxia, Gait disturbance, Genetic anticipation, Hyperreflexia, Impaired smooth pursuit, Impaired vibratory sensation, Intention tremor, Juvenile onset, Limb ataxia, Mode of inheritance, Morphological abnormality of the central nervous system, Myokymia, Neurological speech impairment, Nystagmus, Onset, Onset and clinical course, Pace of progression, Peripheral neuropathy, Phenotypic abnormality, Sensory impairment, Slow progression, Tremor.