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Related Experiment Video

Updated: May 20, 2026

Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

Published on: October 18, 2018

Cursive writing with smooth pursuit eye movements.

Jean Lorenceau¹

¹Université Pierre et Marie Curie, Centre de Recherche de l'Institut du Cerveau et de la Moelle épinière, CNRS UMR-7225, Inserm UMR S975, GH Pitié-Salpêtrière - Bâtiment ICM, 47 Bld de l'Hôpital, 75651 Paris Cedex 13, France. jean.lorenceau@upmc.fr

Current Biology : CB

|July 31, 2012

Summary

Researchers developed a novel visual display enabling individuals to control smooth pursuit eye movements voluntarily. This technology allows for creative expression and communication, particularly benefiting those with limb mobility impairments.

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Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum

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Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

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Published on: October 18, 2018

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Area of Science:

Neuroscience
Oculomotor Systems
Human-Computer Interaction

Background:

The eyes exhibit complex movements, including saccades and smooth pursuit, crucial for visual acuity.
Volitional control over smooth eye movements against static backgrounds is typically limited, often resulting in saccadic intrusions.

Purpose of the Study:

To introduce a novel visual display capable of eliciting sustained smooth eye movements in arbitrary directions.
To investigate the potential for volitional control over smooth pursuit eye movements using this new display.

Main Methods:

Development of a temporally modulated visual display.
Participant training to generate eye movements using the display.
Assessment of participants' ability to produce voluntary smooth pursuit eye movements.

Main Results:

The novel display successfully sustained smooth eye movements in arbitrary directions.
Participants achieved volitional control over smooth pursuit eye movements after brief training.
Trained participants could generate visual elements like digits, letters, words, and drawings using eye movements.

Conclusions:

A novel visual display enables volitional control of smooth pursuit eye movements on static backgrounds.
This technology offers a new avenue for communication and creative expression, especially for individuals with physical disabilities affecting limb movement.