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Related Experiment Video

Updated: Mar 16, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

Adaptation of Saccadic Sequences with and without Remapping.

Delphine Lévy-Bencheton¹, Aarlenne Zein Khan², Denis Pélisson¹

¹Centre de Recherche en Neurosciences de Lyon (CRNL), ImpAct team, Inserm U1028, CNRS UMR 5292, Lyon1 University Bron, France.

Frontiers in Human Neuroscience

|August 9, 2016

Summary

This study shows that the brain can adapt remapped saccades, even when the visual and motor commands don't match. This adaptation suggests error attribution to the remapped visual vector's transformation.

Keywords:

backward credit assignment double-step saccades forward remapping saccade adaptation updating

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Last Updated: Mar 16, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

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Published on: March 18, 2019

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Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

Published on: March 13, 2018

Area of Science:

Neuroscience
Oculomotor research
Motor learning

Background:

Visually-guided saccades typically adapt easily when visual and motor vectors align.
Error attribution for sequential saccades is complex, especially when visual and motor vectors mismatch.
Remapped saccades, common in paradigms like the double-step saccade, present ambiguous error signals.

Purpose of the Study:

To investigate whether and how adaptation occurs for remapped saccades.
To determine if error attribution in remapped saccades differs from standard visually-guided saccades.
To explore the underlying mechanisms of adaptation in remapped saccade sequences.

Main Methods:

Participants performed sequences of two saccades to targets presented before the first saccade.
Two tasks were used: a sequential visually-guided task and a remapping task.
Adaptation was induced by displacing the second target location after the second saccade (forward or backward jump).

Main Results:

No significant adaptation was observed for the first saccade endpoints in either task.
Forward jump adaptation showed similar gain increases in both tasks.
Backward jump adaptation resulted in a smaller gain decrease for remapped saccades compared to sequential visually-guided saccades.

Conclusions:

Remapped saccades are adaptable, indicating error is attributed to the visuo-motor transformation of the remapped visual vector.
Adaptation mechanisms for remapped saccades may resemble those for forward sequential visually-guided saccades.
Adaptation for backward sequential visually-guided saccades appears to involve different mechanisms than for remapped saccades.