title: Downbeat and upbeat nystagmus.
authors.forename: Dieter
authors.initials: D
authors.lastname: Schmidt
mesh_terms: D001933:Brain Stem / Q000503:physiopathology*; D002531:Cerebellum / Q000503:physiopathology*; D006801:Humans; D009759:Nystagmus, Pathologic / Q000503:physiopathology*; D015840:Oculomotor Nerve Diseases / Q000503:physiopathology*