Binocular coordination of the eyes during reading.

Current Biology : CB
Simon P LiversedgeEugene McSorley

Abstract

Saccadic eye movements and fixations are the behavioral means by which we visually sample text during reading. Human oculomotor control is governed by a complex neurophysiological system involving the brain stem, superior colliculus, and several cortical areas. A very widely held belief among researchers investigating primate vision is that the oculomotor system serves to orient the visual axes of both eyes to fixate the same target point in space. It is argued that such precise positioning of the eyes is necessary to place images on corresponding retinal locations, such that on each fixation a single, nondiplopic, visual representation is perceived. Vision works actively through a continual sampling process involving saccades and fixations. Here we report that during normal reading, the eyes do not always fixate the same letter within a word. We also demonstrate that saccadic targeting is yoked and based on a unified cyclopean percept of a whole word since it is unaffected if different word parts are delivered exclusively to each eye via a dichoptic presentation technique. These two findings together suggest that the visual signal from each eye is fused at a very early stage in the visual pathway, even when the fixation dispar...Continue Reading

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Citations

May 19, 2009·The Quarterly Journal of Experimental Psychology : QJEP·Keith Rayner
May 5, 2012·PloS One·Elizabeth R SchotterSimon P Liversedge
Jan 5, 2014·PloS One·Simone BenedettoThierry Baccino
Apr 5, 2011·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Timothy R JordanKevin B Paterson
Jun 24, 2010·Journal français d'ophtalmologie·P Quercia
Aug 30, 2008·Neuropsychologia·Timothy R Jordan, Kevin B Paterson
Feb 24, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Timothy R JordanMarcin Stachurski
Nov 17, 2009·Vision Research·Julie A KirkbySimon P Liversedge
May 25, 2010·Vision Research·Hazel I BlytheJohn M Findlay
Feb 18, 2014·Current Biology : CB·Stephanie JaintaSimon P Liversedge
Aug 2, 2006·Vision Research·Hazel I BlytheKeith Rayner
Jun 25, 2010·Vision Research·Stephanie JaintaWolfgang Jaschinski
Jul 7, 2009·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Timothy R JordanMengyun Xu
Nov 30, 2014·Vision Research·M NikolovaS P Liversedge
Nov 5, 2016·Frontiers in Integrative Neuroscience·François DanielZoï Kapoula
Jan 1, 2010·Perception·Hiroyuki Mitsudo, Sachio Nakamizo
Oct 28, 2017·Behavior Research Methods·Sascha WeberSebastian Pannasch
Dec 18, 2012·Optometry and Vision Science : Official Publication of the American Academy of Optometry·Anne-Louise PonsonbyJill Keeffe
Jan 18, 2020·Vision·Kevin B PatersonJingxin Wang
Oct 17, 2019·Frontiers in Psychology·Krithica SrinivasanPeter M Allen
Jun 12, 2019·Journal of Vision·Adam J ParkerJulie A Kirkby
Dec 6, 2020·Autism Research : Official Journal of the International Society for Autism Research·Martina MicaiDavid Saldaña

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