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Related Experiment Video

Updated: Jul 9, 2026

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum

Published on: March 21, 2019

Hemispheric asymmetries in eye-hand coordination.

Ann Lavrysen¹, Elke Heremans, Ron Peeters

¹Research Center for Movement Control and Neuroplasticity, Katholieke Universiteit Leuven, Belgium. ann.lavrysen@psy.kuleuven.be

|December 7, 2007

Summary

Right-handers show manual asymmetries in eye-hand coordination despite equal accuracy. Brain activation patterns differ, suggesting distinct control mechanisms for left versus right hand movements.

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Area of Science:

Neuroscience
Cognitive Neuroscience
Motor Control

Background:

Manual asymmetries in limb control and eye-hand coordination are often linked to hemispheric processing differences.
Previous research suggests distinct online processing capabilities between the left and right cerebral hemispheres.

Purpose of the Study:

To investigate brain areas involved in eye-hand coordination using either the left or right hand in right-handed individuals.
To identify potential neurophysiological and behavioral differences in left vs. right hand eye-hand coordination.

Main Methods:

Functional magnetic resonance imaging (fMRI) was employed to examine brain activity.
Behavioral data on temporal and spatial accuracy, peak velocity, and saccade completion were collected.
Neurophysiological data were analyzed to identify asymmetries.

Main Results:

Despite equal temporal and spatial accuracy for both hands, manual asymmetries were observed.
Left eye-hand coordination showed earlier peak velocity and saccade completion, indicating more time for target homing.
Right-hand use led to greater activation in occipital areas (visual processing), while left-hand use showed more activation in sensorimotor, frontal, and cerebellar areas (processing effort/attention).

Conclusions:

Eye-hand coordination exhibits asymmetric control modes for left and right hands in right-handers.
Observed brain activation differences may reflect varying visual processing, attentional resources, or task difficulty attributed to hemispheric specializations.