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Resolving visual motion through perceptual gaps
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DOI：10.1016/j.tics.2021.07.017.png)
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Abstract
En 中文
Perceptual gaps can be caused by objects in the foreground temporarily occluding objects in the background or by eyeblinks, which briefly but frequently interrupt vi-sual information. Resolving visual motion across perceptual gaps is particularly challenging, as object position changes during the gap. We examine how visual mo-tion is maintained and updated through externally driven (occlusion) and internally driven (eyeblinks) perceptual gaps. Focusing on both phenomenology and potential mechanisms such as suppression, extrapolation, and integration, we present a framework for how perceptual gaps are resolved over space and time. We finish by highlighting critical questions and directions for future work.
Keywords:
DIRECTION-SELECTIVE NEURONS
TIME-TO-CONTACT
APPARENT MOTION
EYE-MOVEMENTS
TEMPORAL INTEGRATION
CORTICAL-NEURONS
OCCLUDED OBJECTS
PARIETAL CORTEX
V1 ACTIVITY
EXTRAPOLATION
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