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Related Experiment Video

Updated: May 15, 2026

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

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

Published on: May 23, 2013

Vestibulo-ocular reflex and the head impulse test.

Eliana T Maranhão¹, Péricles Maranhão-Filho

¹Brazilian National Cancer Institute (INCA), Rio de Janeiro RJ, Brazil. limaranhao@gmail.com

Arquivos De Neuro-Psiquiatria

|January 9, 2013

Summary

The head impulse test is crucial for diagnosing vestibular dysfunction. This bedside examination effectively distinguishes peripheral vestibulopathy from central causes like stroke in emergency settings.

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Area of Science:

Neurology
Ophthalmology
Otorhinolaryngology

Background:

Vestibular dysfunction presents diagnostic challenges in emergency departments.
Differentiating peripheral from central causes is critical for timely treatment.

Purpose of the Study:

To emphasize the diagnostic utility of the vestibulo-ocular reflex (VOR) examination via the head impulse test (HIT).
To highlight the HIT's role as a bedside tool for distinguishing acute peripheral vestibulopathy from central lesions.

Main Methods:

Clinical examination focusing on the vestibulo-ocular reflex.
Performance of the head impulse test at the bedside.

Main Results:

The head impulse test is a valuable diagnostic method for vestibular dysfunction.
The HIT serves as a key bedside semiotic resource in emergency rooms.
The test effectively differentiates acute peripheral vestibulopathy from cerebellar or brainstem infarction.

Conclusions:

The head impulse test is essential for evaluating vestibular disorders.
The HIT is a practical and reliable bedside diagnostic tool for emergency physicians.
Accurate differentiation of vestibular pathologies impacts patient management and outcomes.