NDLI: Shifting spatial attention makes you flip: Exogenous visual attention triggers perceptual alternations during binocular rivalry

Content Provider	Springer Nature Link
Author	Paffen, Chris L. E. Stigchel, Stefan
Copyright Year	2010
Abstract	Although it has been argued that visual attention and the dynamics of binocular rivalry are closely linked, strong evidence for this proposition is still lacking. Here, we investigate how perceptual alternations during binocular rivalry are affected by spatial attention by employing a cuing paradigm. We show a tight link between the occurrence of perceptual alternations and the spatiotemporal properties of visual attention: Alternations occurred earlier and more frequently at locations where visual attention was summoned by an exogenous cue. We argue that cuing a location where rival images are presented leads to a transient increase in the effective contrast of these rival images. This transient increase in effective contrast increases the probability of an alternation at that location. Furthermore, we suggest that an occipito-fronto-parietal network known to be involved in selective attention and binocular rivalry mediates perceptual alternations by boosting the neural response at attended locations.
Starting Page	1237
Ending Page	1243
Page Count	7
File Format	PDF
ISSN	19433921
Journal	Perception & Psychophysics
Volume Number	72
Issue Number	5
e-ISSN	1943393X
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cognitive Psychology
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Sensory Systems Linguistics and Language

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