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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
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Microsaccadic modulation in goal-directed reaching.

Jolande Fooken1,2,3, Renato Moraes2,4,5, Allison M Scott6,7

  • 1Department of Psychology and Centre for Cognitive Science, Technical University of Darmstadt, Darmstadt, Germany.

Journal of Vision
|March 13, 2026
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Summary
This summary is machine-generated.

Microsaccade (eye movement) rates decrease before predictable events, especially during active movement preparation. This suggests sensorimotor control and attention interact during goal-directed actions.

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Area of Science:

  • Neuroscience
  • Ophthalmology
  • Motor Control

Background:

  • Microsaccades, small and rapid eye movements, are crucial for visual attention and preparing for sensory stimuli across modalities.
  • Previous research indicates microsaccadic modulation occurs before predictable visual, tactile, and auditory events.

Purpose of the Study:

  • To investigate the relationship between microsaccade modulation and sensorimotor control during goal-directed reaching tasks.
  • To understand how active movement preparation influences microsaccade behavior in anticipation of and following a visual cue.

Main Methods:

  • Participants performed a task involving hand positioning, target fixation, and a delayed color change (go cue).
  • Experimental conditions included cue monitoring, cursor tracking, and reaching with or without vision of the hand.
  • Microsaccade rate was measured in relation to the go cue and task demands.

Main Results:

  • Microsaccade rate consistently decreased in anticipation of the visual cue.
  • The greatest microsaccade reduction before the go cue occurred in conditions requiring active hand movement, indicating increased attentional load.
  • Microsaccades remained reduced post-cue across all conditions, suggesting event prediction extends to self-generated movements.

Conclusions:

  • Microsaccade modulation is linked to sensorimotor control and attentional processes during goal-directed actions.
  • Movement preparation increases attentional load, reflected in greater microsaccade reduction.
  • Sensorimotor control involved in predicting motor command consequences does not further alter microsaccade rates.