Oculomotor inhibition of return

how soon is it "recoded" into spatiotopic coordinates?

Matthew D. Hilchey, Raymond M. Klein, Jason Satel, Zhiguo Wang

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

When, in relation to the execution of an eye movement, does the recoding of visual information from retinotopic to spatiotopic coordinates happen? Two laboratories seeking to answer this question using oculomotor inhibition of return (IOR) have generated different answers: Mathôt and Theeuwes (Psychological Science 21:1793-1798, 2010) found evidence for the initial coding of IOR to be retinotopic, while Pertzov, Zohary, and Avidan (Journal of Neuroscience 30:8882-8887, 2010) found evidence for spatiotopic IOR at even shorter postsaccadic intervals than were tested by Mathôt and Theeuwes (Psychological Science 21:1793-1798, 2010). To resolve this discrepancy, we conducted two experiments that combined the methods of the previous two studies while testing as early as possible. We found early spatiotopic IOR in both experiments, suggesting that visual events, including prior fixations, are typically coded into an abstract, allocentric representation of space either before or during eye movements. This type of coding enables IOR to encourage orienting toward novelty and, consequently, to perform the role of a foraging facilitator.
Original languageEnglish
Pages (from-to)1145-1153
Number of pages9
JournalAttention, Perception and Psychophysics
Volume74
Issue number6
DOIs
Publication statusPublished - 2012
Externally publishedYes

Keywords

  • Spatial vision
  • Eye movements
  • Visual attention
  • Inhibition of return

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