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Related Experiment Video

Updated: May 13, 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

Shared attention for smooth pursuit and saccades.

Zhenlan Jin¹, Adam Reeves, Scott N J Watamaniuk

¹The Smith-Kettlewell Eye Research Institute, San Francisco, CA, USA.

Journal of Vision

|March 15, 2013

Summary

The random dot cinematogram (RDC) aids smooth pursuit eye movements by freeing up attention. This released attention benefits saccade tasks, indicating shared attentional resources between pursuit and saccadic systems.

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Last Updated: May 13, 2026

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

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Area of Science:

Neuroscience
Cognitive Psychology
Vision Science

Background:

Smooth pursuit eye movements are crucial for tracking moving objects.
Attention plays a significant role in visual perception and eye movement control.
Previous research suggests random dot cinematograms (RDCs) can aid pursuit by reducing attentional load.

Purpose of the Study:

To investigate if the RDC facilitates saccade tasks by releasing attention from pursuit.
To determine if attentional resources are shared between the smooth pursuit and saccadic eye movement systems.

Main Methods:

Observers performed saccade tasks with or without an RDC accompanying the pursuit target.
Saccade latency was measured under different attentional conditions.
A foveal attention anchoring task was used to confirm attention release.

Main Results:

Saccade latency decreased when the RDC was present, indicating attention was released from pursuit.
The RDC advantage for saccades was eliminated when attention was anchored to the fovea.
This suggests that the RDC successfully redirected attentional resources.

Conclusions:

Attentional resources are shared between the pursuit and saccadic eye movement control systems.
The RDC can serve as a tool to probe the allocation of attention in eye movement control.
Understanding shared attention mechanisms is vital for comprehending complex visual-motor behaviors.