Table 1.
Demographic findings between patients with transient and persistent geotropic DCPN(direction changing positional nystagmus).
Fig 1.
Comparison of pseudo-spontaneous nystagmus incidence between transient and persistent geotropic DCPN(direction-changing positional nystagmus) patients.
Table 2.
Clinical characteristics of the patients with pseudo-spontaneous nystagmus(PSN) in patients with transient and persistent DCPN(direction-changing positional nystagmus).
Fig 2.
Comparison of mean slow-phase velocity in head roll test between transient and persistent geotropic DCPN(direction-changing positional nystagmus) patients.
Fig 3.
Theoretical findings of spontaneous nystagmus in representative cases of persistent geotropic DCPN(direction-changing positional nystagmus) in the left lateral semicircular canal(the cupula is ampulopetally deviated in sitting position).