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Related Experiment Video

Updated: May 9, 2026

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

Vestibular function after vestibular neuritis.

L Manzari¹, A M Burgess, H G MacDougall

¹* MSA ENT Academy Center , Cassino (FR) , Italy.

International Journal of Audiology

|August 2, 2013

Summary

This summary is machine-generated.

Vestibular neuritis recovery varies. One patient fully recovered horizontal canal function, while another used covert saccades to compensate, demonstrating successful adaptation despite absent function.

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Published on: August 30, 2019

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform

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Published on: May 23, 2013

Area of Science:

Neuroscience
Otolaryngology
Vestibular System

Background:

Vestibular neuritis is an acute inflammation of the vestibular nerve.
Understanding recovery patterns is crucial for patient management.
Horizontal semicircular canal function is key to balance.

Observation:

The video head impulse test (vHIT) assessed horizontal semicircular canal function.
Two patients with acute right unilateral vestibular neuritis were studied.
Measurements were taken over days, weeks, and months post-attack.

Findings:

Patient A showed full recovery of horizontal canal function, with normal slow-phase eye velocity.
Patient B exhibited minimal recovery of horizontal canal function, instead using covert saccades.
Covert saccades are rapid eye movements not consciously perceived.

Implications:

Covert saccades may be a successful compensatory mechanism for vestibular loss.
Patient-reported recovery does not always correlate with objective canal function.
Factors beyond slow-phase eye velocity significantly influence perceived recovery from vestibular neuritis.