Binocular foveation in reading

Richard Shillcock, Matthew Roberts, Hamutal Kreiner, Mateo Obregón

Research output: Contribution to journalArticlepeer-review


We present a theory of foveation in normal binocular reading. We consider the pervasive, nontrivial binocular fixation disparities (FDs) observed in reading and relate them to the computational problem of resolving retinal disparities in depth perception. We infer that the right eye's fixation being to the right of the left eye's in reading promotes binocular fusion in challenging conditions. We then show a different (nonfusional) processing advantage for the right eye's fixation being to the left of the left eye's in reading conditions in which binocular fusion is assured, by modeling the combined influence of foveal splitting, contralateral preference, ocular prevalence, and fixation disparity. This synthesis of anatomically grounded research in different aspects of visual processing produces a theory of foveation in reading that matches current data and makes testable predictions.

Original languageEnglish
Pages (from-to)2184-2203
Number of pages20
JournalAttention, Perception, and Psychophysics
Issue number8
StatePublished - Nov 2010
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported by Project Grants R39195 and R39942 from the ESRC (U.K.). The present article reports partial analyses of corpus data collected under Project Grant R39195.

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Language and Linguistics
  • Sensory Systems
  • Linguistics and Language


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