Related Experiment Video
Updated: Feb 19, 2026
06:46
Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
7.6K
How post-saccadic target blanking affects the detection of stimulus displacements across saccades
David E Irwin1, Maria M Robinson1
1Department of Psychology, University of Illinois, United States.
Vision Research
|November 14, 2017
Summary
Blanking between eye movements improves detection of visual stimulus displacement, particularly for backward movements. This occurs because the brain initially misremembers target location after a saccade, aiding displacement perception.
Area of Science:
- Visual perception
- Neuroscience
- Psychology
Background:
- Visual displacement during saccades (eye movements) is often unnoticed unless significant.
- A blank interval between saccade offset and stimulus presentation enhances displacement detection.
Purpose of the Study:
- To investigate how blanking improves visual displacement sensitivity.
- To understand the mechanisms underlying enhanced displacement detection with blanking.
Main Methods:
- Experiments involving saccades and displaced visual stimuli.
- Varying the presence and duration of a blank interval between saccade offset and stimulus presentation.
- Assessing participants' ability to detect and judge the direction of stimulus displacement.
Main Results:
- Blanking improved detection and direction judgment of displacements, specifically for backward displacements (opposite to saccade direction).
- A third experiment indicated that subjects initially misremembered saccade target location after saccade offset, with memory becoming more accurate later.
Conclusions:
- Blanking enhances sensitivity to backward visual displacements by influencing saccade target localization memory.
- The findings suggest a dynamic interplay between eye position information, target memory, and visual stimulus processing after saccades.
