Persistent Biases in Binocular Rivalry Dynamics within the Visual Field
AbstractBinocular rivalry is an important tool for measuring sensory eye dominance—the relative strength of sensory processing in an individual’s left and right eye. By dichoptically presenting images that lack corresponding visual features, one can induce perceptual alternations and measure the relative visibility of each eye’s image. Previous results indicate that observers demonstrate reliable preferences for several image features, and that these biases vary within the visual field. However, evidence about the persistence of these biases is mixed, with some suggesting they affect only the onset (i.e., first second) of rivalry, and others suggesting lasting effects during prolonged viewing. We directly investigated individuals’ rivalry biases for eye and color within the visual field and interestingly found results that mirrored the somewhat contradictory pattern in the literature. Each observer demonstrated idiosyncratic patterns of biases for both color and eye within the visual field, but consistent, prolonged biases only for the eye of presentation (sensory eye dominance, SED). Furthermore, the strength of eye biases predicted one’s performance on a stereoacuity task. This finding supports the idea that binocular rivalry and other binocular visual functions may rely on shared mechanisms, and emphasizes the importance of SED as a measure of binocular vision. View Full-Text
Externally hosted supplementary file 1
Description: Link to our figshare repository for Experiment 1 data (now cited in the text).
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Dieter, K.C.; Sy, J.L.; Blake, R. Persistent Biases in Binocular Rivalry Dynamics within the Visual Field. Vision 2017, 1, 18.
Dieter KC, Sy JL, Blake R. Persistent Biases in Binocular Rivalry Dynamics within the Visual Field. Vision. 2017; 1(3):18.Chicago/Turabian Style
Dieter, Kevin C.; Sy, Jocelyn L.; Blake, Randolph. 2017. "Persistent Biases in Binocular Rivalry Dynamics within the Visual Field." Vision 1, no. 3: 18.
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