Visual direction constancy across eyeblinks

J. Stephen Higgins, David E. Irwin, Ranxiao Frances Wang, Laura E. Thomas

Research output: Contribution to journalArticle

Abstract

When a visual target is displaced during a saccade, the perception of its displacement is suppressed. Its movement can usually only be detected if the displacement is quite large. This suppression can be eliminated by introducing a short blank period after the saccade and before the target reappears in a new location. This has been termed the blanking effect and has been attributed to the use of otherwise ignored extraretinal information. We examined whether similar effects occur with eyeblinks and other visual distractions. We found that suppression of displacement perception can also occur due to a blink (both immediately prior to the blink and during the blink), and that introducing a blank period after a blink reduces the displacement suppression in much the same way as after a saccade. The blanking effect does not occur when other visual distractions are used. This provides further support for the conclusion that the blanking effect arises from extraretinal signals about eye position.

Original languageEnglish (US)
Pages (from-to)1607-1617
Number of pages11
JournalAttention, Perception, and Psychophysics
Volume71
Issue number7
DOIs
StatePublished - Dec 1 2009

ASJC Scopus subject areas

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

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