Object updating influences the perceptual asynchrony illusion

Bianca Hatin, Chris Oriet

Research output: Contribution to journalMeeting Abstract


When two attributes are alternated asynchronously, a target that is first blue, then red for equal durations, is reported as red above chance. This perceptual asynchrony illusion has been explained by the object-updating hypothesis, which argues that asynchronously-paired features are vulnerable to updating by the most recent feature value. According to object updating, when one colour is shown for longer than the other in this task, the colour shown last should bias colour reports. The colour of shorter duration was rarely reported when it appeared first, but frequently reported when it appeared last, consistent with object updating.
Original languageEnglish
Pages (from-to)351
JournalCanadian Journal of Experimental Psychology
Issue number4
Publication statusPublished - 15 Jun 2007
EventCanadian Society for Brain, Behaviour and Cognitive Science (CSBBCS) Annual Meeting 2007 - Victoria, Canada
Duration: 15 Jun 200717 Jun 2007


  • Asynchrony illusion
  • Object updating
  • Psychology


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