Activity in early visual areas predicts interindividual differences in binocular rivalry dynamics

Journal of Neurophysiology
Hiroyuki YamashiroJun Saiki

Abstract

When dissimilar images are presented to the two eyes, binocular rivalry (BR) occurs, and perception alternates spontaneously between the images. Although neural correlates of the oscillating perception during BR have been found in multiple sites along the visual pathway, the source of BR dynamics is unclear. Psychophysical and modeling studies suggest that both low- and high-level cortical processes underlie BR dynamics. Previous neuroimaging studies have demonstrated the involvement of high-level regions by showing that frontal and parietal cortices responded time locked to spontaneous perceptual alternation in BR. However, a potential contribution of early visual areas to BR dynamics has been overlooked, because these areas also responded to the physical stimulus alternation mimicking BR. In the present study, instead of focusing on activity during perceptual switches, we highlighted brain activity during suppression periods to investigate a potential link between activity in human early visual areas and BR dynamics. We used a strong interocular suppression paradigm called continuous flash suppression to suppress and fluctuate the visibility of a probe stimulus and measured retinotopic responses to the onset of the invisible ...Continue Reading

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Citations

Oct 2, 2014·Human Brain Mapping·Jeremy D Fesi, Janine D Mendola
Mar 17, 2015·Vision Research·J M BostenJ D Mollon
Feb 11, 2015·Progress in Neurobiology·Michael C Schmid, Alexander Maier
Jun 7, 2014·Frontiers in Psychology·Philipp SterzerGuido Hesselmann
Jul 20, 2019·Journal of Vision·Christian Valuch, Uwe Mattler
Jan 21, 2017·Frontiers in Psychology·Anna AntinoriOlivia L Carter
Jul 17, 2020·Psychonomic Bulletin & Review·Ali Pournaghdali, Bennett L Schwartz
Jul 20, 2020·Experimental Brain Research·Munendo FujimichiJun Saiki
Aug 3, 2019·Vision Research·Mengxin WangTimothy Ledgeway

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Software Mentioned

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