Abstract
It has been proposed that the human visual system can use temporal synchrony to bind image regions into unified objects1,2,3, as proposed in some neural models4. Here we present experimental results from a new dynamic stimulus suggesting that previous evidence for this hypothesis can be explained with the well-established mechanisms of early visual processing, thus obviating the need to posit new synchrony-sensitive grouping mechanisms (see also ref. 5 for a critique of the binding by neural synchrony hypothesis).
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Acknowledgements
H.F. is supported by a National Science Foundation Career Award (IIS-99-83806) and a departmental National Science Foundation Infrastructure grant (EIA-98-02068). E.H.A. is supported by a National Institute of Health grant (EY12690-02).
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Supplementary information
QuickTime movies of our dynamic dot stimulus.
The perception of form is visible only in condition (a) which is the only condition that contains a temporal contrast cue. The motion reversals in all three conditions are synchronized.
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Farid, H., Adelson, E. Synchrony does not promote grouping in temporally structured displays. Nat Neurosci 4, 875–876 (2001). https://doi.org/10.1038/nn0901-875
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DOI: https://doi.org/10.1038/nn0901-875
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