Localization of nystagmus
| Nystagmus | Location |
|---|---|
| Spasmus nutans | Congenital or chiasm |
| Seesaw | Midbrain/parasellar region |
| Downbeat | Cervicomedullary junction |
| Periodic alternating | Cervicomedullary junction |
| Dissociated | Medial longitudinal fasciculus |
| Rebound | Cerebellum |
| Convergence retraction nystagmus | Dorsal midbrain |
| Oculopalatal myoclonus | Mollaret triangle (central tegmental tract) |
| Brun nystagmus | Cerebellopontine angle |
| Gaze evoked | Vestibular, cerebellum |
| Upbeat | Pontomesencephalic or pontomedullary junction and cerebellum |
| Torsional (pure) | Central vestibular or cerebellum |