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The Vestibular System01:29

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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: Dec 24, 2025

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
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Vestibular Function Correlates with Radiologic Findings in a Gymnast with 22q11.2DS.

Lindy M R Moxham1,2, Arthur I Mallinson3,4

  • 1Division of Pediatric Otolaryngology - Head and Neck Surgery, BC Children's Hospital, Vancouver, BC, Canada.

The American Journal of Case Reports
|April 14, 2020
PubMed
Summary
This summary is machine-generated.

22q11.2 deletion syndrome (22q11.2DS) can affect vestibular function, impacting balance. Targeted assessments and training significantly improved a gymnast's performance despite absent lateral semicircular canal function.

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Area of Science:

  • Neurology
  • Genetics
  • Otolaryngology

Background:

  • 22q11.2 deletion syndrome (22q11.2DS) is a common microdeletion.
  • Vestibular system anomalies are frequent in 22q11.2DS, but function is less studied.
  • Balance issues can significantly impact quality of life and athletic performance.

Observation:

  • A competitive gymnast with 22q11.2DS experienced balance deficits during competition.
  • Comprehensive balance assessment revealed absent lateral semicircular canal function.
  • CT imaging correlated with the functional deficit.

Findings:

  • Balance testing precisely identified vestibular dysfunction in a 22q11.2DS patient.
  • The findings linked radiographic and functional vestibular anomalies.
  • This case highlights the intricate interplay of balance components.

Implications:

  • Comprehensive balance testing is crucial for individuals with 22q11.2DS.
  • Understanding vestibular function aids in managing balance disorders.
  • Targeted interventions can improve functional outcomes in 22q11.2DS patients.