Analysis of etiology and clinical features of spontaneous downbeat nystagmus: a retrospective study

ConclusionIn our study, DBN patients have a relative decrease in posterior semicircular canal gain, which is possibly a particular result found in a subset of downbeat nystagmus patients. The changes in nystagmus during positional testing may be helpful in distinguishing between peripheral and central causes.
Source: Frontiers in Neurology - Category: Neurology Source Type: research