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Table 1) Patient data
Patient/Diagnosis/Age / Diagnosis / Non-cerebellar signs / Oculomotor signs / Cerebellar signs
Degeneration
1: 70. / MSA / Slight polyneuropathy, pyramidal tract signs, bradykinesia of the tongue / saccadic pursuit, gaze-evoked nystagmus / gait ataxia, gait possible only with support, severe ataxia of the arms
2: 68 / MSA / Pyramidal tract signs, slight orthostatic blood pressure dysregulation / saccadic pursuit, gaze-evoked nystagmus , disturbed VOR suppression / severe paleoneocerebellar ataxia, gait possible only with support
3: 63 / MSA / Orthostatic blood pressure dysregulation, impotence / saccadic pursuit, gaze-evoked nystagmus / pan-cerebellar ataxia, gait possible without external support
4: 36 / MSA / Slight pyramidal tract signs, orthostatic blood pressure dysregulation / saccadic pursuit, gaze-evoked nystagmus / pan-cerebellar ataxia, gait possible without external support
5: 61 / MSA / Orthostatic blood pressure dysregulation, impotence / saccadic pursuit, gaze-evoked nystagmus / slight gait ataxia
6: 55 / Cerebellar atrophy / None / slight saccadic pursuit / severe limb and gait ataxia, gait possible only with support
7: 47 / SCA III / Pyramidal tract signs, distal sensory deficit, / down-beat nystagmus, saccadic smooth pursuit, gaze-evoked nystagmus / limb and gait ataxia
8: 44 / SCA III / Exaggerated tendon taps / saccadic pursuit, disturbed VOR suppression / gait ataxia
9: 50 / Cerebellar atrophy / None / spontaneous nystagmus to the left, saccadic pursuit, rebound nystagmus / severe gait ataxia, gait nearly impossible
Congenital
1: 50 / Hypoplasia / Treated for myasthenia gravis, partial inversion of the aorta / slight saccadic pursuit / None
2: 26 / Dandy-Walker malformation / None / None / None
Infarction
1: 27 / SCA right / Hypoesthesia right trunk and limbs / saccadic pursuit / dysmetria of the right arm, gait ataxia
2: 49 / PICA left / None / rotating spontaneous nystagmus to the left, saccadic pursuit, gaze-evoked nystagmus / tendency to fall to the right, vomiting
3: 65 / PICA right / None / ocular tilt reaction, disturbed VOR suppression, saccadic pursuit, gaze-evoked nystagmus / gait ataxia, slightly more right than left dysmetria of the arms
4: 68 / SCA right / slight paresis of the abduction of the right eye / spontaneous nystagmus to the right, gaze-evoked nystagmus, saccadic pursuit / hemiataxia on the right
5: 68 / SCA left / central facial paresis on the left, slight central paresis of the left leg / hypermetric saccades, saccadic pursuit and VOR suppression deficit, gaze-evoked nystagmus / cerebellar dysarthria, gait ataxia
PICA = posterior inferior cerebellar artery; SCA = superior cerebellar artery;MSA = multiple system atrophy; VOR = vestibulo-ocular reflex