Adaptation of the phase of the human linear vestibulo-ocular reflex (LVOR) and effects on the oculomotor neural integrator

Stefan Hegemann, Mark Shelhamer, Phillip D. Kramer, David S. Zee

Research output: Contribution to journalArticlepeer-review


The phase of the translational linear VOR (LVOR) can be adaptively modified by exposure to a visual-vestibular mismatch. We extend here our earlier work on LVOR phase adaptation, and discuss the role of the oculomotor neural integrator, Ten subjects were oscillated laterally at 0.5 Hz, 0.3 g peak acceleration, while sitting upright on a linear sled. LVOR was assessed before and after adaptation with subjects tracking the remembered location of a target at 1 m in the dark, Phase and gain were measured by fitting sine waves to the desaccaded eye movements, and comparing sled and eye position. To adapt LVOR phase, the subject viewed a computer-generated stereoscopic visual display, at a virtual distance of 1 m, that moved so as to require either a phase lead or a phase lag of 53 deg. Adaptation lasted 20 min, during which subjects were oscillated at 0.5 Hz/0.3 g. Four of five subjects produced an adaptive change in the lag condition (range 4-45 deg), and each of five produced a change in the lead condition (range 19-56 deg), as requested. Changes in drift on eccentric gaze suggest that the oculomotor velocityto-position integrator may be involved in the phase changes.

Original languageEnglish (US)
Pages (from-to)239-247
Number of pages9
JournalJournal of Vestibular Research: Equilibrium and Orientation
Issue number4-5
StatePublished - 2000


  • Motor learning
  • Otoliths
  • VOR

ASJC Scopus subject areas

  • Neuroscience(all)
  • Otorhinolaryngology
  • Sensory Systems
  • Clinical Neurology


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