title: Evolution of symmetric upbeat into dissociated torsional-upbeat nystagmus in internuclear ophthalmoplegia.
authors.affiliation: Department of Neurology, Ajou University School of Medicine, Ajou University Hospital, Suwon, Republic of Korea.
authors.forename: Sun-Uk
authors.initials: SU
authors.lastname: Lee
authors.forename: Hyo-Jung
authors.initials: HJ
authors.lastname: Kim
authors.forename: Ji-Soo
authors.initials: JS
authors.lastname: Kim
mesh_terms: D000328:Adult; D018450:Disease Progression; D006801:Humans; D008297:Male; D009759:Nystagmus, Pathologic / Q000209:etiology* / Q000503:physiopathology*; D015835:Ocular Motility Disorders / Q000150:complications* / Q000503:physiopathology*; D012438:Saccades / Q000502:physiology; D014717:Vertigo / Q000209:etiology
keywords: Hemi-seesaw nystagmus; Internuclear ophthalmoplegia; Medial longitudinal fasciculus; Upbeat nystagmus