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Related Experiment Video

Updated: Jul 22, 2026

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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
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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.

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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.