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Related Experiment Video

Updated: Jul 8, 2026

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

Differences in distractor-induced deviation between horizontal and vertical saccade trajectories.

Stefan Van der Stigchel1, Jan Theeuwes

  • 1Utrecht University, Utrecht, The Netherlands. S.VanderStigchel@uu.nl

Neuroreport
|January 11, 2008
PubMed
Summary
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Distractors cause eye movements to deviate, with vertical eye movements showing stronger deviations than horizontal ones. This suggests differences in inhibitory processes influence eye movement direction.

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Cognitive Science

Background:

  • Eye movements are crucial for visual perception and attention.
  • Distractors can influence ongoing motor tasks, including eye movements.
  • The role of inhibitory processes in modulating eye movement trajectories is not fully understood.

Purpose of the Study:

  • To investigate the effect of a distractor on horizontal and vertical eye movements.
  • To compare the magnitude of trajectory deviations caused by distractors in horizontal versus vertical eye movements.
  • To explore the underlying neural mechanisms, particularly inhibitory processes, responsible for these deviations.

Main Methods:

  • Systematic investigation of horizontal and vertical eye movements.
  • Introduction of a distractor during eye movement tasks.

More Related Videos

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram
06:12

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

Published on: March 13, 2018

Related Experiment Videos

Last Updated: Jul 8, 2026

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

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram
06:12

Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram

Published on: March 13, 2018

  • Analysis of trajectory deviations in response to the distractor.

    • Main Results:

    • Both horizontal and vertical eye movements deviated away from the distractor.
    • Deviations were significantly stronger for vertical eye movements compared to horizontal eye movements.
    • The findings suggest differential application of inhibitory processes based on movement direction.

    Conclusions:

    • Trajectory deviations away from distractors are influenced by inhibitory processes.
    • Vertical eye movements appear to involve stronger inhibitory mechanisms than horizontal movements.
    • These findings contribute to understanding the neural control of eye movements and the impact of distractors.