Related Experiment Video
Updated: Aug 9, 2025
06:28
Author Spotlight: Developing Low-Tech Balance Assessment Methods for Broad-Spectrum Healthcare Applications
Published on: September 1, 2023
4.9K
Comparison of Asymmetry between Perceptual, Ocular, and Postural Vestibular Screening Tests
Timothy R Macaulay1, Scott J Wood2, Austin Bollinger1
1KBR, Houston, TX 77058, USA.
Brain Sciences
|February 25, 2023
Summary
Healthy individuals show consistent vestibular asymmetry across multiple tests, impacting balance and motion sickness. These findings aid in selecting appropriate tests for assessing vestibular function.
Area of Science:
- Neuroscience
- Vestibular System Research
- Human Physiology
Background:
- Vestibular asymmetry can influence balance, motion sickness, and environmental adaptation.
- Understanding its manifestation across different tests is crucial for clinical and research applications.
Purpose of the Study:
- To investigate vestibular asymmetry in healthy individuals using multiple assessment methods.
- To determine if vestibular asymmetry is consistent across various sensory and motor tasks.
Main Methods:
- Assessed asymmetry via perceptual reports during unilateral centrifugation.
- Measured oculomotor responses during visual alignment tasks.
- Evaluated vestibulo-ocular reflex gain during head impulse tests.
- Quantified body rotation during stepping tests.
Main Results:
- Significant correlation found between subjective visual vertical and verbal report asymmetries during centrifugation.
- Significant correlation observed between ocular alignment, vestibulo-ocular reflex gain, and body rotation asymmetries.
Conclusions:
- Vestibular asymmetries are present and consistent in healthy individuals across diverse vestibular challenges.
- Findings provide guidance for selecting appropriate tests to assess vestibular asymmetry in adults.
