Vergence-mediated modulation of the human horizontal angular VOR provides evidence of pathway-specific changes in VOR dynamics

David M. Lasker, Stefano Ramat, John P Carey, Lloyd B. Minor

Research output: Contribution to journalArticle

Abstract

The horizontal vestibulo-ocular reflex (VOR) evoked by passive, high-acceleration, head-on-body rotations (head thrusts) while viewing a far (124-cm) or near (15-cm) target was recorded (scleral search coil) in four subjects with normal vestibular function and in one subject with unilateral vestibular hypofunction. For responses in the subjects with normal vestibular function, the latency of responses relative to the onset of head movement was 7.5 ± 1.5 ms for the VOR and 21.6 ± 1.2 ms for the vergence-mediated increase in VOR gain. The gain of the VOR at the peak of the velocity response while viewing a far target was 1.01 ± 0.06; while viewing a near target, it was 1.25 ± 0.08 (p

Original languageEnglish (US)
Pages (from-to)324-337
Number of pages14
JournalAnnals of the New York Academy of Sciences
Volume956
StatePublished - 2002

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Vestibulo-Ocular Reflex
Modulation
Head
Head Movements
Reaction Time
Pathway
Reflex

Keywords

  • Modulation
  • Vergence
  • Vestibular function
  • Vestibulo-ocular reflex

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Vergence-mediated modulation of the human horizontal angular VOR provides evidence of pathway-specific changes in VOR dynamics. / Lasker, David M.; Ramat, Stefano; Carey, John P; Minor, Lloyd B.

In: Annals of the New York Academy of Sciences, Vol. 956, 2002, p. 324-337.

Research output: Contribution to journalArticle

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