Features of peripheral and central vestibular nystagmus
| Peripheral vestibular | Central vestibular |
|---|---|
| • Combination of horizontal, vertical and torsional nystagmus | • Unidirectional |
| • Associated with severe vertigo | • Mild or no vertigo |
| • Quick phase beating away from the underactive labyrinth | |
| • Amplitude increases with gaze toward the direction of quick phase | • May be gaze evoked |
| • Notably suppressed by fixation | • No change in amplitude with fixation or when fixation is removed |