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Where does time go when you blink?

Shany Grossman, Chen Guata, Slav Pesin, Rafael Malach, Ayelet N. Landau
doi: https://doi.org/10.1101/506279
Shany Grossman
1Department of Neurobiology, Weizmann Institute of Science
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Chen Guata
2Departments of Psychology and Cognitive Science, The Hebrew University of Jerusalem
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Slav Pesin
2Departments of Psychology and Cognitive Science, The Hebrew University of Jerusalem
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Rafael Malach
1Department of Neurobiology, Weizmann Institute of Science
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Ayelet N. Landau
2Departments of Psychology and Cognitive Science, The Hebrew University of Jerusalem
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Abstract

Retinal input is frequently lost due to eye blinks, yet humans rarely notice these gaps in visual input. While previous studies focused on the psychophysical and neural correlates of diminished awareness to blinks, the impact of blinks on the perceived time of concurrent events is unknown. Here, we investigated whether the subjective sense of time is altered by spontaneous eye blinks, and how this link may inform mechanisms of time perception. We found that participants significantly underestimated the duration of a visual stimulus when a blink occurred during the stimulus. Importantly, this effect was not present when durations of an auditory stimulus were judged. These results point to a link between spontaneous blinks, previously demonstrated to induce suppression of activity in early visual cortex, and a compression of subjective time. The findings suggest that ongoing encoding within modality-specific sensory cortices, independent of conscious awareness, inform the subjective sense of time.

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Posted December 26, 2018.
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Where does time go when you blink?
Shany Grossman, Chen Guata, Slav Pesin, Rafael Malach, Ayelet N. Landau
bioRxiv 506279; doi: https://doi.org/10.1101/506279
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Where does time go when you blink?
Shany Grossman, Chen Guata, Slav Pesin, Rafael Malach, Ayelet N. Landau
bioRxiv 506279; doi: https://doi.org/10.1101/506279

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