Table 4.
% (n) | dVM | pVM | sVM | BPV | oM | All patients |
---|---|---|---|---|---|---|
Presence of central ocular motor signs | 25% (10) | 21% (7) | 29% (10) | 0% (1) | 12% (1) | 27% (28) |
Saccadic pursuit | 24% (8) | 18% (6) | 21% (7) | 0% (1) | 0% (1) | 18% (21) |
Gaze evoked nystagmus | 6% (3) | 6% (2) | 6% (2) | 0% (1) | 12% (1) | 6% (7) |
Upbeat nystagmus (funduscopy) | 6% (2) | 0% (1) | 3% (1) | 0% (1) | 0% (1) | 2% (3) |
Ocular flutter | 3% (1) | 0% (1) | 0% (1) | 0% (1) | 0% (1) | 1% (1) |
Impaired suppression of VOR | 0% (1) | 3% (1) | 6% (2) | 0% (1) | 0% (1) | 2% (3) |
Downbeat nystagmus provoked by headshaking | 0% (1) | 0% (1) | 3% (1) | 0% (1) | 0% (1) | 1% (1) |
dPV, definite vestibular migraine; pVM, probable vestibular migraine; sVM, suspected vestibular migraine; BPV, benign paroxysmal vertigo; oM, other migrain syndromes; VOR, vestibular ocular reflex.