Journal
SCIENTIFIC REPORTS
Volume 11, Issue 1, Pages -Publisher
NATURE RESEARCH
DOI: 10.1038/s41598-021-82222-3
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Funding
- National Science Foundation [1734887]
- National Eye Institute [R01-EY031971]
- Empire Innovation Program
- la Caixa Foundation [100010434, LCF/BQ/AA17/11610017]
- SBE Off Of Multidisciplinary Activities
- Direct For Social, Behav & Economic Scie [1734887] Funding Source: National Science Foundation
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Research shows that microsaccade dynamics contribute to Troxler fading and intensification, even when viewing representational art. Observers' eye movements play a role in the cornerstone of Impressionism.
Troxler fading, the perceptual disappearance of stationary images upon sustained fixation, is common for objects with equivalent luminance to that of the background. Previous work showed that variations in microsaccadic rates underlie the perceptual vanishing and intensification of simple stimuli, such as Gabor patches. Here, we demonstrate that microsaccade dynamics also contribute to Troxler fading and intensification during the viewing of representational art. Participants fixated a small spot while viewing either a Gabor patch on a blank background, or Monet's painting Impression, Sunrise. They continuously reported, via button press/release, whether the Gabor patch, or the sun in Monet's painting, was fading versus intensifying, while their eye movements were recorded with high precision. Microsaccade rates peaked before reports of increased visibility, and dropped before reports of decreased visibility or fading, both when viewing Gabor patches and Monet's sun. These results reveal that the relationship between microsaccade production and the reversal and prevention of Troxler fading applies not only to the viewing of contrived stimuli, but also to the observation of Impression, Sunrise. Whether or not perceptual fading was consciously intended by Monet, our findings indicate that observers' oculomotor dynamics are a contributor to the cornerstone of Impressionism.
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