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Related Experiment Video

Updated: Jun 9, 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

Switch performance in peripherally and centrally triggered saccades.

Astrid Vermeiren¹, Baptist Liefooghe, André Vandierendonck

¹Consciousness, Cognition and Computation Group, Université Libre de Bruxelles, Av. F.-D. Roosevelt 50, Brussels, Belgium. Asvermei@ulb.ac.be

Experimental Brain Research

|September 3, 2010

Summary

This summary is machine-generated.

Switching between eye movements involves costs. This study shows that inhibiting gaze responses during antisaccades contributes to these costs, especially for peripherally triggered saccades.

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Area of Science:

Cognitive Neuroscience
Ophthalmology
Psychology

Background:

Switching between different types of eye movements, like prosaccades and antisaccades, incurs a performance cost.
A prevailing hypothesis suggests this switch cost primarily stems from the inhibition required for antisaccade execution, which involves suppressing a natural gaze response.

Purpose of the Study:

To investigate the role of gaze inhibition in saccadic switch costs.
To differentiate the mechanisms underlying switch costs for peripherally versus centrally triggered saccades.

Main Methods:

Comparison of switch costs between peripherally triggered saccades and centrally triggered saccades.
Analysis of switch costs for both prosaccades and antisaccades in each triggering condition.

Main Results:

Peripherally triggered saccades showed a switch cost for prosaccades but not antisaccades.
Centrally triggered saccades exhibited switch costs for both prosaccades and antisaccades.
These findings suggest that gaze inhibition is a key factor in peripherally triggered antisaccade switch costs.

Conclusions:

Switch performance for peripherally triggered saccades is significantly influenced by the inhibition of gaze responses.
Switch costs for centrally triggered saccades indicate the involvement of broader cognitive processes, including reconfiguration and interference control, beyond simple inhibition.