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Updated: Jul 22, 2026
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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
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How forward remapping predicts peri-saccadic biphasic mislocalization
Yohaï-Eliel Berreby1,2,3,4, B Suresh Krishna1,5,6,7
1Department of Physiology, McGill University, Montreal, QC, Canada.
Journal of Vision
|June 10, 2025
Summary
Forward receptive field (RF) remapping in the brain explains how visual flashes are systematically mislocalized around eye movements (saccades). This study reveals how neural activity and position decoding create a biphasic mislocalization pattern observed in behavioral data.
Area of Science:
- Neuroscience
- Computational Neuroscience
- Visual Perception
Background:
- Neurons in visual and oculomotor areas exhibit forward receptive field (RF) remapping, responding to stimuli before a saccade at the future RF location.
- Psychophysical studies reveal biphasic mislocalization of flashes around saccade onset: forward before, backward after.
Purpose of the Study:
- To explain the link between forward RF remapping and the observed biphasic flash mislocalization pattern.
- To elucidate the neural mechanisms underlying peri-saccadic visual perception.
Main Methods:
- Implementation of a rate model simulating RF remapping properties.
- Analysis of persistent flash-evoked activity and decoded flash position post-saccade.
Main Results:
- The model demonstrates how persistent activity and decoding produce biphasic mislocalization.
- Insufficient pre-saccadic remapping leads to greater forward mislocalization.
- Inadequate post-saccadic remapping results in reduced backward mislocalization.
Conclusions:
- Forward RF remapping can account for the biphasic peri-saccadic flash mislocalization pattern.
- The findings link neural remapping mechanisms to perceptual distortions during eye movements.
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