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Related Experiment Video

Updated: Jul 2, 2026

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

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Saccade target selection: Do distractors affect saccade accuracy?

John M Findlay¹, Hazel I Blythe

¹Department of Psychology, University of Durham, England, UK. j.m.findlay@durham.ac.uk

Vision Research

|August 12, 2008

Summary

This summary is machine-generated.

This study on eye movements found that saccade accuracy is unaffected by distractors unless they share the same axis. This suggests a high-resolution perceptual selection process guides saccadic targeting.

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Last Updated: Jul 2, 2026

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Published on: March 18, 2019

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Area of Science:

Ophthalmology
Neuroscience
Cognitive Psychology

Background:

Saccadic eye movements are crucial for visual exploration.
Understanding factors influencing saccade accuracy is vital for visual neuroscience.
The role of distractors in saccade targeting remains an area of active research.

Purpose of the Study:

To investigate the impact of a visually identical distractor on saccade targeting accuracy.
To determine if saccade targeting is influenced by distractor proximity and alignment.
To explore the underlying perceptual selection mechanisms for saccadic guidance.

Main Methods:

Recording of eye movements in human observers.
Task involved making a saccade to a visual target.
A visually identical distractor was presented near the target.

Main Results:

Saccade targeting accuracy was generally unaffected by the distractor.
An exception occurred when the distractor was on the same axis as the saccade.
In this axial condition, some saccades landed between the target and distractor (global effect).

Conclusions:

Perceptual selection for saccadic targets operates at a higher resolution than previously assumed.
This high-resolution process can override simpler stimulus-driven effects.
The findings provide insights into the precise mechanisms of visual attention and eye movement control.