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Updated: Jun 8, 2026
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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
Constant spread of feature-based attention across the visual field
1Department of Psychology, Michigan State University, East Lansing, MI 48824, United States. tsliu@msu.edu
Vision Research
|October 5, 2010
Summary
Feature-based attention can influence processing in distant visual areas. This study found that attentional effects spread globally across the entire visual field, not just locally.
Area of Science:
- Cognitive Neuroscience
- Visual Perception
Background:
- Feature-based attention can modulate neural processing at attended locations.
- Previous research suggests attentional effects can extend to non-attended locations, but the spatial extent is debated.
Purpose of the Study:
- To empirically investigate the spatial spread of feature-based attention.
- To determine if feature-based attention operates globally or locally across the visual field.
Main Methods:
- Utilized the motion aftereffect (MAE) as a measure of attentional modulation.
- Employed a speed-increment task and speed nulling procedure to quantify MAE at varying distances from a motion adapter stimulus.
- Conducted experiments with stimuli at fixation and in the periphery.
Main Results:
- Attentional modulation of MAE was observed to spread across the entire visual field.
- The results indicate a genuine global effect of feature-based attention.
- Baseline MAE was measured in control conditions to isolate attentional effects.
Conclusions:
- Feature-based attention exerts a global influence across the visual field.
- These findings provide empirical evidence supporting global theories of visual attention.
- The study constrains theoretical models of attention deployment.
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