Related Experiment Video
Updated: Jun 6, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
Published on: August 22, 2025
Abstract:
A patient with ocular motility findings consistent with a right superior oblique palsy was found to have binocular ocular torsion and a head tilt that led to the diagnosis of an ocular tilt reaction. Magnetic resonance imaging disclosed a right pontine lesion presumably involving the descending tract from the interstitial nucleus of Cajal to the contralateral vestibular nucleus. This lesion is located more inferiorly than one would expect in a superior oblique palsy. Physicians should be aware that patients with a vertical deviation and a head tilt might have an ocular tilt reaction, as opposed to a superior oblique palsy.
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