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Related Experiment Video

Updated: Jun 20, 2026

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function
05:44

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

Published on: July 14, 2016

Why do humans make antisaccade errors?

Hyung Lee1, Mathias Abegg, Amadeo Rodriguez

  • 1Department of Neurology, Keimyung University School of Medicine, Taegu, South Korea.

Experimental Brain Research
|September 18, 2009
PubMed
Summary
This summary is machine-generated.

Antisaccade errors increase with uncertainty about the task. Reducing information about the correct response before a trial significantly elevates error rates in antisaccade tasks.

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

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Related Experiment Videos

Last Updated: Jun 20, 2026

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function
05:44

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

Published on: July 14, 2016

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

Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • Antisaccade errors are typically linked to the inability to suppress automatic eye movements (prosaccades).
  • Prior research suggests that the habitual prosaccade is a primary factor in antisaccade errors.

Purpose of the Study:

  • To investigate the impact of pre-trial response information uncertainty on antisaccade error rates.
  • To determine if factors beyond prosaccade inhibition contribute to errors in antisaccade tasks.

Main Methods:

  • Participants performed antisaccade tasks under five conditions with varying levels of uncertainty regarding stimulus-goal mapping and hemifield.
  • A control experiment examined the effect of target angular separation without altering prior response information.

Main Results:

  • Antisaccade error rate increased by 2% for each added source of uncertainty.
  • Hemifield information uncertainty had the most significant impact on error rates, followed by stimulus-goal confusability.
  • A control experiment showed no effect of target angular separation on error rates or latency.

Conclusions:

  • Factors other than prosaccade inhibition contribute to antisaccade errors in standard experimental designs.
  • Pre-trial uncertainty about response requirements may modulate goal activation, influencing error rates.