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Title: Common contextual influences in ambiguous and rivalrous figures
Authors: Ouhnana, M
Jennings, BJ
Kingdom, FAA
Issue Date: 2017
Publisher: Public Library of Science
Citation: PLOS ONE, 2017, 12 (5), pp. e0176842 - e0176842
Abstract: Images that resist binocular fusion undergo alternating periods of dominance and suppression, similarly to ambiguous figures whose percepts alternate between two interpretations. It has been well documented that the perceptual interpretations of both rivalrous and ambiguous figures are influenced by their spatio-temporal context. Here we consider whether an identical spatial context similarly influences the interpretation of a similar rivalrous and ambiguous figure. We developed a binocularly rivalrous stimulus whose perceptual experience mirrors that of a Necker cube. We employed a paradigm similar to that of Ouhnana and Kingdom (2016) to correlate the magnitude of influence of context between the rivalrous and ambiguous target. Our results showed that the magnitude of contextual influence is significantly correlated within observers between both binocularly rivalrous and ambiguous target figures. This points to a similar contextual-influence mechanism operating on a common mechanism underlying the perceptual instability in both ambiguous and rivalrous figures.
Appears in Collections:Dept of Life Sciences Research Papers

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