“Real-life” continuous flash suppression (CFS)-CFS with real-world objects using augmented reality goggles

Uri Korisky*, Rony Hirschhorn, Liad Mudrik

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Continuous flash suppression (CFS) is a popular method for suppressing visual stimuli from awareness for relatively long periods. Thus far, this method has only been used for suppressing two-dimensional images presented on screen. We present a novel variant of CFS, termed “real-life” CFS, in which a portion of the actual immediate surroundings of an observer—including three-dimensional, real-life objects—can be rendered unconscious. Our method uses augmented reality goggles to present subjects with CFS masks to the dominant eye, leaving the nondominant eye exposed to the real world. In three experiments we demonstrated that real objects can indeed be suppressed from awareness for several seconds, on average, and that the suppression duration is comparable to that obtained using classic, on-screen CFS. As supplementary information, we further provide an example of experimental code that can be modified for future studies. This technique opens the way to new questions in the study of consciousness and its functions.

Original languageEnglish
Pages (from-to)2827-2839
Number of pages13
JournalBehavior Research Methods
Issue number6
StatePublished - 1 Dec 2019


FundersFunder number
Israel Science Foundation1847/16


    • Augmented reality
    • Consciousness
    • Continuous flash suppression
    • Real objects
    • Unconscious processing


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