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Related Experiment Video

Updated: Jun 11, 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

Global saccadic adaptation.

Martin Rolfs¹, Tomas Knapen, Patrick Cavanagh

¹New York University, Department of Psychology, 6 Washington Place, 10003 New York, NY, USA. martin.rolfs@gmail.com

Vision Research

|July 6, 2010

Summary

This summary is machine-generated.

Motor adaptation for saccadic eye movements is typically spatially selective. However, adapting to all directions revealed a generalized motor calibration, challenging previous assumptions about oculomotor adaptation.

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Area of Science:

Neuroscience
Motor Control
Oculomotor System

Background:

Accurate goal-directed actions require continuous calibration.
Saccadic eye movements necessitate constant tuning to compensate for physiological changes.
Previous studies suggested saccade adaptation is spatially selective.

Purpose of the Study:

To investigate the spatial properties of motor adaptation in saccadic eye movements.
To determine if saccade adaptation is inherently local or if global adaptation can be induced.
To challenge the prevailing view of spatially selective oculomotor adaptation.

Main Methods:

Inducing saccade adaptation using a quasi-random walk of target displacements.
Applying adaptation across multiple directions simultaneously, unlike previous single-direction methods.
Analyzing the spatial generalization of adaptation to assess its scope.

Main Results:

Adaptation to multi-directional saccade targets resulted in strong, spatially generalized recalibration.
This global adaptation could not be explained by the summation of individual vector-specific adaptations.
The findings contradict the notion that saccade adaptation is exclusively local.

Conclusions:

Saccade adaptation can be globally generalized, not just spatially selective.
Global adaptation is a plausible strategy for motor calibration in the absence of localized deficits.
This study provides a robust model for investigating motor calibration mechanisms.