A transition between eye and object rivalry determined by stimulus coherence

Yoram Bonneh; Dov Sagi; Avi Karni

doi:10.1016/S0042-6989(01)00013-X

A transition between eye and object rivalry determined by stimulus coherence

Yoram Bonneh, Dov Sagi, Avi Karni

Research output: Contribution to journal › Article › peer-review

Abstract

Two orthogonal patterns presented to the two eyes, respectively, are perceived as alternating in time, a phenomenon often assumed to reflect competition between neuronal activities corresponding to the two eyes, presumably in the primary visual cortex. Recent evidence supports a competition between neuronal activities corresponding to the two patterns (objects) at some higher cortical processing stage after inputs from the two eyes have converged. Here, using textures made of Gabor signals, we present psychophysical data showing that the level of visual processing at which competition takes place and is resolved, is determined by the degree of stimulus coherence. Moreover, depending on stimulus parameters, competition may occur at several levels of processing at the same time.

Original language	English
Pages (from-to)	981-989
Number of pages	9
Journal	Vision Research
Volume	41
Issue number	8
DOIs	https://doi.org/10.1016/S0042-6989(01)00013-X
State	Published - 2001
Externally published	Yes

Bibliographical note

Funding Information:
We thank Michael Merzenich, Ariella Popple, Barabara Zenger and Srikantan Nagarajan for reviewing the manuscript at different stages. This work was supported by the Nella and Leon Benoziyo Center for Neuroscience.

Keywords

Binocular rivalry
Perceptual grouping
Visual awareness

ASJC Scopus subject areas

Ophthalmology
Sensory Systems

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10.1016/S0042-6989(01)00013-X

Cite this

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abstract = "Two orthogonal patterns presented to the two eyes, respectively, are perceived as alternating in time, a phenomenon often assumed to reflect competition between neuronal activities corresponding to the two eyes, presumably in the primary visual cortex. Recent evidence supports a competition between neuronal activities corresponding to the two patterns (objects) at some higher cortical processing stage after inputs from the two eyes have converged. Here, using textures made of Gabor signals, we present psychophysical data showing that the level of visual processing at which competition takes place and is resolved, is determined by the degree of stimulus coherence. Moreover, depending on stimulus parameters, competition may occur at several levels of processing at the same time.",

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T1 - A transition between eye and object rivalry determined by stimulus coherence

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AU - Sagi, Dov

AU - Karni, Avi

N1 - Funding Information: We thank Michael Merzenich, Ariella Popple, Barabara Zenger and Srikantan Nagarajan for reviewing the manuscript at different stages. This work was supported by the Nella and Leon Benoziyo Center for Neuroscience.

PY - 2001

Y1 - 2001

N2 - Two orthogonal patterns presented to the two eyes, respectively, are perceived as alternating in time, a phenomenon often assumed to reflect competition between neuronal activities corresponding to the two eyes, presumably in the primary visual cortex. Recent evidence supports a competition between neuronal activities corresponding to the two patterns (objects) at some higher cortical processing stage after inputs from the two eyes have converged. Here, using textures made of Gabor signals, we present psychophysical data showing that the level of visual processing at which competition takes place and is resolved, is determined by the degree of stimulus coherence. Moreover, depending on stimulus parameters, competition may occur at several levels of processing at the same time.

AB - Two orthogonal patterns presented to the two eyes, respectively, are perceived as alternating in time, a phenomenon often assumed to reflect competition between neuronal activities corresponding to the two eyes, presumably in the primary visual cortex. Recent evidence supports a competition between neuronal activities corresponding to the two patterns (objects) at some higher cortical processing stage after inputs from the two eyes have converged. Here, using textures made of Gabor signals, we present psychophysical data showing that the level of visual processing at which competition takes place and is resolved, is determined by the degree of stimulus coherence. Moreover, depending on stimulus parameters, competition may occur at several levels of processing at the same time.

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A transition between eye and object rivalry determined by stimulus coherence

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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