Illusory motion produced by dichoptic stimuli during saccades

Hiroyuki Mitsudo, Sachio Nakamizo

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


A new motion illusion is reported in which saccadic eye movements can produce a perceived jump of a static stimulus presented dichoptically. In three experiments, observers made saccades while viewing a stationary stimulus consisting of a disk and random dots presented separately to the two eyes. In experiments 1 and 2, by measuring the strength of the perceived motion and the velocity of binocular eye movements, we found that (a) motion ratings were high for the stimulus that contained a large interocular difference in luminance, and (b) the saccadic strategy of the observer was virtually identical across different stimulus conditions. In experiment 3, by measuring the detectability of a short temporal gap introduced into the stimulus around saccades, we found that saccadic suppression was normal in the dichoptic presentation.We discuss possible mechanisms underlying the illusory motion.

Original languageEnglish
Pages (from-to)1591-1605
Number of pages15
Issue number12
Publication statusPublished - 2010

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Ophthalmology
  • Sensory Systems
  • Artificial Intelligence


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