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  • The Ouchi Illusion: An anomaly in the Perception of Rigid Motion for Limited Spatial Frequencies and Angles

    Author(s)
    Hine, T.
    Cook, M.
    Rogers, G.
    Griffith University Author(s)
    Hine, Trevor J.
    Year published
    1997
    Metadata
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    Abstract
    The spatial parameters underlying a novel illusion of relative motion are characterized. A simple stimulus composed of two sine-wave gratings was sufficient to generate the illusion. We measured the response of subjects to rapid, small-amplitude oscillations of this stimulus behind a fixation point. The effect was clearly strongest for acute angles between the gratings, but only when spatial frequency was between 6 and 11 cpd. We surmise that activity in the grating cells of the primate visual cortex (von der Heydt, Peterhans, & Dursteler, 1992) might be the cause of the illusion. The illusion is potentially an important ...
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    The spatial parameters underlying a novel illusion of relative motion are characterized. A simple stimulus composed of two sine-wave gratings was sufficient to generate the illusion. We measured the response of subjects to rapid, small-amplitude oscillations of this stimulus behind a fixation point. The effect was clearly strongest for acute angles between the gratings, but only when spatial frequency was between 6 and 11 cpd. We surmise that activity in the grating cells of the primate visual cortex (von der Heydt, Peterhans, & Dursteler, 1992) might be the cause of the illusion. The illusion is potentially an important tool in understanding how higher cortical areas combine disparate motion signals.
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    Journal Title
    Perception & Psychophysics
    Volume
    59
    Issue
    3
    DOI
    https://doi.org/10.3758/BF03211911
    Subject
    Psychology
    Cognitive Sciences
    Publication URI
    http://hdl.handle.net/10072/121540
    Collection
    • Journal articles

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