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Perceptual-binding and persistent surface segregation

Moradi, Farshad and Shimojo, Shinsuke (2004) Perceptual-binding and persistent surface segregation. Vision Research, 44 (25). pp. 2885-2899. ISSN 0042-6989.

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Visual input is segregated in the brain into subsystems that process different attributes such as motion and color. At the same time, visual information is perceptually segregated into objects and surfaces. Here we demonstrate that perceptual segregation of visual entities based on a transparency cue precedes and affects perceptual binding of attributes. Adding an irrelevant transparency cue paradoxically improved the pairing of color and motion for rapidly alternating surfaces. Subsequent experiments show: (1) Attributes are registered over the temporal window defined by the perceptual persistence of segregation, resulting in asynchrony in binding, and (2) attention is necessary for correct registration of attributes in the presence of ambiguity.

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Additional Information:Received 17 November 2003; received in revised form 16 June 2004. c2004 Elsevier Ltd. This research was supported by NIMH, NSF, and Keck foundation. FM was supported by a fellowship from Caltech. We thank C. Koch, R. Kanai, D. Wu, and A. Abbasian for feed-back on the manuscript.
Group:Koch Laboratory, KLAB
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Keck FoundationUNSPECIFIED
Subject Keywords:Color–motion binding; Perceptual-asynchrony; Attention; Figure–ground; Motion-transparency
Record Number:CaltechAUTHORS:20130816-103216081
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:40476
Deposited By: KLAB Import
Deposited On:12 Jan 2008 00:17
Last Modified:16 Sep 2013 18:12

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