Vergence-mediated changes in the axis of eye rotation during the human vestibulo-ocular reflex can occur independent of eye position

Experimental Brain Research
Americo A MigliaccioMichael J Todd

Abstract

The aim of this study was to determine whether vergence-mediated changes in the axis of eye rotation in the human vestibulo-ocular reflex (VOR) would obey Listing's Law (normally associated with saccadic eye movements) independent of the initial eye position. We devised a paradigm for disassociating the saccadic velocity axis from eye position by presenting near and far targets that were centered with respect to one eye. We measured binocular 3-dimensional eye movements using search coils in ten normal subjects and 3-dimensional linear head acceleration using Optotrak in seven normal subjects. The stimuli consisted of passive, unpredictable, pitch head rotations with peak acceleration of approximately 2000 degrees /s(2 )and amplitude of approximately 20 degrees. During the pitch head rotation, each subject fixated straight ahead with one eye, whereas the other eye was adducted 4 degrees during far viewing (94 cm) and 25 degrees during near viewing (15 cm). Our data showed expected compensatory pitch rotations in both eyes, and a vergence-mediated horizontal rotation only in the adducting eye. In addition, during near viewing we observed torsional eye rotations not only in the adducting eye but also in the eye looking straight a...Continue Reading

Citations

Sep 7, 2004·Experimental Brain Research·Americo A MigliaccioLloyd B Minor
Jul 16, 2013·Experimental Brain Research·Daniel ChimAmerico A Migliaccio
Dec 10, 2003·Current Opinion in Neurobiology·J D CrawfordE M Klier
Oct 24, 2009·Proceedings of the National Academy of Sciences of the United States of America·Dezhe Z JinAnn M Graybiel
Sep 26, 2009·Cerebral Cortex·Deborah L HarringtonStephen M Rao
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Mar 23, 2006·Journal of the Association for Research in Otolaryngology : JARO·Americo A MigliaccioDavid S Zee
Sep 4, 2014·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Jessie M VanSwearingen, Stephanie A Studenski
Dec 31, 2015·Experimental Brain Research·Shannon B Fadaee, Americo A Migliaccio
Apr 14, 2005·Annals of the New York Academy of Sciences·Benjamin T CraneJoseph L Demer
Apr 9, 2005·Journal of Neuroscience Methods·Americo A MigliaccioCharles C Della Santina
Sep 3, 2004·Vision Research·D OoiH G MacDougall
Aug 28, 2013·Cerebral Cortex·Molly J HenryJonas Obleser
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May 7, 2016·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Michael C Schubert, Americo A Migliaccio
Oct 22, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·William V C FigtreeAmerico A Migliaccio
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Mar 4, 2021·Experimental Brain Research·László T TamásBéla Büki

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