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An illusion of coherent global motion arising from single brief presentations of a stationary stimulus

By Anna Brooks, Rick van der Zwan and John Holden


We describe a new illusion in which a single stationary stimulus appears to undergo coherent global motion. Contrast relationships between the stimulus elements suggest the illusion arises via processing of Off- and On-channel signals that remain independent until after passing through low-level motion detectors. We propose that patterns of activation resulting from biphasic temporal impulse response functions in the magnocellular pathway are the basis of the illusion, and describe a model to account for the illusory motion percept

Topics: illusion, n-channel, off-channel, apparent motion, biphasic impulse functions, Psychology
Publisher: ePublications@SCU
Year: 2003
DOI identifier: 10.1016/S0042-6989(03)00467-X
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Provided by: ePublications@SCU
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