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Related Experiment Video

Updated: May 3, 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

Saccadic adaptation shapes visual space in macaques.

Svenja Gremmler¹, Annalisa Bosco, Patrizia Fattori

¹Department of Psychology, University of Münster, Münster, Germany;

Journal of Neurophysiology

|February 14, 2014

Summary

This summary is machine-generated.

Saccadic adaptation, which modifies eye movement amplitude, also shifts perceived object location in monkeys. This suggests that the saccadic system influences spatial perception in nonhuman primates, mirroring human findings.

Keywords:

eye movements localization motor learning spatial cognition

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Last Updated: May 3, 2026

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

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Visualizing Visual Adaptation

Visualizing Visual Adaptation

Published on: April 24, 2017

Area of Science:

Neuroscience
Ophthalmology
Cognitive Science

Background:

Saccadic eye movements are crucial for visually guided behaviors.
Human studies indicate saccade control processes influence perceptual space, altering object localization after saccadic adaptation.

Purpose of the Study:

To investigate if saccadic adaptation affects spatial localization in nonhuman primates.
To determine if monkeys exhibit similar perceptual shifts as observed in humans.

Main Methods:

Two macaque monkeys performed a visual stimulus localization task on a touchscreen.
Saccade amplitudes were modified using saccadic adaptation techniques (shortening and lengthening).
Localization accuracy was assessed before and after adaptation while maintaining fixation.

Main Results:

Successful saccadic adaptation resulted in a concurrent shift in the perceived location of stimuli.
This mislocalization effect was observed for both increases and decreases in saccade amplitude.
Monkeys demonstrated altered spatial perception following saccadic adaptation.

Conclusions:

Saccadic adaptation can influence spatial localization performance in macaque monkeys.
These findings suggest a conserved role for saccadic control mechanisms in spatial perception across species.
The study provides evidence for the link between motor adaptation of eye movements and perceptual recalibration in primates.