What question did this study set out to answer?

This research aims to understand how vestibular function contributes to gaze stabilization during locomotion in macaques.

Vestibular function drives gaze stability in locomoting macaques

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Randomized trial assessed gaze control in macaques with vestibular loss, indicating critical gait and gaze stabilization issues.

This research aims to understand how vestibular function contributes to gaze stabilization during locomotion in macaques.
Compared gait and gaze kinematics in male and female macaques with normal and chronic bilateral vestibular loss during treadmill and overground locomotion at multiple speeds.
Assessed variability in gait and gaze stabilization across different walking conditions.
Utilized computational modeling to analyze oculomotor strategies after vestibular loss.
Macaques with bilateral vestibular loss showed marked increases in gait variability across all conditions.
Gaze stabilization deficits were pronounced in BVL animals, with reduced eye movements that failed to counteract head motion.
Modeling indicated these deficits are due to increased sensorimotor noise and a higher tolerance for gaze-position error.

Stanley et al. (2026) studied this question.

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