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The Vestibular System

The Vestibular System

The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.

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Related Experiment Video

Updated: Aug 2, 2025

The Immersive Cleveland Clinic Virtual Reality Shopping Platform for the Assessment of Instrumental Activities of Daily Living

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Augmented Virtual Reality in Vestibular Assessment: A Dynamic Gait Application.

Valerio Margani¹, Simona Pascucci^2,3, Rita Talamonti¹

¹NESMOS Department, Medicine and Psychology, ENT Clinic, Sapienza University, Rome, Italy.

Audiology & Neuro-Otology

|April 18, 2023

Summary

Microsoft HoloLens 2 (HL2) offers a new way to assess vestibular function. This study validates its use in objectively quantifying gait and movement, showing its potential as a diagnostic tool.

Keywords:

Augmented reality Balance Gait HoloLens 2 Vestibular assessment

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Area of Science:

Vestibular system research
Medical technology innovation
Human movement analysis

Background:

Dizziness affects up to 23% of the global population, necessitating accurate diagnostic methods.
Traditional vestibular assessments require specialized centers and can be subjective.
Advancements in wearable technology offer potential for objective vestibular evaluation.

Purpose of the Study:

To validate the integration of Microsoft HoloLens 2 (HL2) with traditional vestibular assessment methods.
To explore the potential of HL2 for precise, objective diagnostic values in vestibular function analysis.
To assess HL2's capability in quantifying kinematic features during specific tasks.

Main Methods:

Twenty-six healthy adults performed Dynamic Gait Index tests.
Participants completed tests both with traditional evaluation and while wearing the HL2 headset.
Kinematic data of head and eye movements were collected using HL2's inertial measurement units (IMUs).

Main Results:

The study demonstrated positive results regarding HL2's validity in analyzing kinematic features.
Quantitative data on gait and movement along the walking axis were successfully obtained.
Specific tasks showed maximum mean position and standard deviation values for the walking axis.

Conclusions:

Microsoft HoloLens 2 (HL2) shows promise as a tool for objective vestibular assessment.
The accurate quantification of gait and movement deviations using HL2 provides initial evidence for its utility.
HL2 can be a valuable addition to gait and mobility assessment protocols.