The vestibulo-ocular reflex and seasickness susceptibility

C. R. Gordon, O. Spitzer, I. Doweck, A. Shupak, N. Gadoth

Research output: Contribution to journalArticlepeer-review

Abstract

VOR parameters were compared in subjects at the extremes of the seasickness susceptibility scale. Thirty-nine subjects highly susceptible to seasickness and 30 nonsusceptible subjects participated in the study. The VOR was evaluated by the Sinusoidal Harmonic Acceleration (SHA) test at frequencies of 0.01, 0.02, 0.04, 0.08, and 0.16 Hz. In subjects susceptible to seasickness, VOR gain was significantly higher at 0.02 and 0.04 Hz, and phase lead was significantly lower at 0.01, 0.02, 0.04, and 0.08 Hz, than in nonsusceptible subjects. Our findings are in agreement with the notion that the vestibular response will be more intense in subjects susceptible to motion sickness. The present results support the contention that a natural insusceptibility, or increased resistance to seasickness produced by adaptive responses to repeated sea exposures, may be reflected by lower VOR gain and higher phase lead.

Original languageEnglish
Pages (from-to)229-233
Number of pages5
JournalJournal of Vestibular Research: Equilibrium and Orientation
Volume6
Issue number4
DOIs
StatePublished - 1996
Externally publishedYes

Keywords

  • adaptation
  • motion sickness, seasickness susceptibility
  • sinusoidal harmonic acceleration
  • vestibular habituation
  • vestibulo-ocular reflex

ASJC Scopus subject areas

  • Clinical Neurology
  • Sensory Systems
  • General Neuroscience
  • Otorhinolaryngology

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