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Flexible contextual modulation of naturalistic texture perception in peripheral vision

View ORCID ProfileDaniel Herrera-Esposito, View ORCID ProfileRuben Coen-Cagli, View ORCID ProfileLeonel Gomez-Sena
doi: https://doi.org/10.1101/2020.01.24.918813
Daniel Herrera-Esposito
Laboratorio de Neurociencias, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
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  • For correspondence: dherrera@fcien.edu.uy
Ruben Coen-Cagli
Dept. of Systems and Computational Biology and Dominick P. Purpura Dept. of Neuroscience, Albert Einstein College of Medicine, Bronx, NY, USA
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Leonel Gomez-Sena
Laboratorio de Neurociencias, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
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Abstract

Peripheral vision comprises most of our visual field, and is essential in guiding visual behavior. Its characteristic low resolution has been explained by the most influential theory of peripheral vision as the product of representing the visual input using summary-statistics. Despite its success, this account may provide a limited understanding of peripheral vision, because it neglects processes of perceptual grouping and segmentation. To test this hypothesis, we studied how contextual modulation, namely the modulation of the perception of a stimulus by its surrounds, interacts with segmentation in human peripheral vision. We used naturalistic textures, which are directly related to summary-statistics representations. We show that segmentation cues affect contextual modulation, and that this is not captured by the summary-statistics model. We then characterize the effects of different texture statistics on contextual modulation, providing guidance for extending the model, as well as for probing neural mechanisms of peripheral vision.

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  • https://osf.io/8zr5h/

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC 4.0 International license.
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Posted January 25, 2020.
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Flexible contextual modulation of naturalistic texture perception in peripheral vision
Daniel Herrera-Esposito, Ruben Coen-Cagli, Leonel Gomez-Sena
bioRxiv 2020.01.24.918813; doi: https://doi.org/10.1101/2020.01.24.918813
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Flexible contextual modulation of naturalistic texture perception in peripheral vision
Daniel Herrera-Esposito, Ruben Coen-Cagli, Leonel Gomez-Sena
bioRxiv 2020.01.24.918813; doi: https://doi.org/10.1101/2020.01.24.918813

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