Differential vergence movements in reading Chinese and english: Greater fixation-initial binocular disparity is advantageous in reading the denser orthography

Yi Ting Hsiao, Richard Shillcock, Mateo Obregón, Hamutal Kreiner, Matthew A. J. Roberts, Scott McDonald

Research output: Contribution to journalArticle

Abstract

We explore two aspects of exovergence: we test whether smaller binocular fixation disparities accompany the shorter saccades and longer fixations observed in reading Chinese, and we test whether potentially advantageous psychophysical effects of exovergence transfer to text reading. We report differential exovergence in reading Chinese and English: Chinese readers begin fixations with more binocular disparity, but end fixations with a disparity closely similar to that of the English readers. We conclude that greater fixation-initial binocular disparity can be adaptive in the reading of visually and cognitively denser text.

Original languageEnglish
Pages (from-to)324-332
Number of pages9
JournalQuarterly Journal of Experimental Psychology
Volume71
Issue number1
DOIs
Publication statusPublished - 1 Jan 2018

Keywords

  • Chinese
  • English
  • Eye movements
  • Fixations
  • Reading
  • Vergence

ASJC Scopus subject areas

  • Physiology
  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Psychology(all)
  • Physiology (medical)

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