Orienting otolith-ocular reflexes in the rabbit during static and dynamic tilts and off-vertical axis rotation

Jun Maruta, John I. Simpson, Theodore Raphan, Bernard Cohen

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

Orienting otolith-ocular reflexes were assessed in rabbits using static tilt, off-vertical axis rotation (OVAR) and sinusoidal oscillation about earth-horizontal axes. In all paradigms, head pitch produced ocular counter-pitch and vergence, and head roll produced ocular counter-roll and conjugate yaw version. Thus, vergence and version are essential components of orienting reflexes along the naso-occipital and bitemporal axes. Vergence and version caused misalignment between the axes of eye and head movement during pitch and roll head movements. Semicircular canal input broadened the band-pass of these orienting reflexes, which would make them more appropriate when compensating for head movement during active motion.

Original languageEnglish
Pages (from-to)3255-3270
Number of pages16
JournalVision Research
Volume41
Issue number25-26
DOIs
StatePublished - 2001

Keywords

  • Eye movements
  • Otolith-ocular reflexes
  • Rabbit
  • Vestibulo-ocular reflex

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