Video 1
Phenomenology of the Patient. (Segment 1) Multifocal facial myoclonus, torsional nystagmus while looking horizontally, multidirectional ocular myoclonus while looking vertically, and palatal tremor. (Segment 2) Nonentrainable palatal tremor.

Figure 1
Brain MRI of the Patient. (A) Brain MRI T2 FLAIR sequence shows old ischemic and hemorrhagic lesions in the Guillain–Mollaret triangle. (B) Hypertrophy of the right inferior olivary nucleus (arrow).
