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

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)1-33
Number of pages33
JournalQuarterly Journal of Experimental Psychology
Early online date11 Jul 2017
DOIs
Publication statusE-pub ahead of print - 11 Jul 2017

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; we test whether potentially advantageous psychophysical effects of exovergence (cf. Arnold Schindel, 2010; Kersten Murray, 2010) 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 fixation disparity can be adaptive in the reading of visually and cognitively denser text.

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