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Related Experiment Video

Updated: Jun 6, 2026

Testing of all Six Semicircular Canals with Video Head Impulse Test Systems
08:38

Testing of all Six Semicircular Canals with Video Head Impulse Test Systems

Published on: April 18, 2019

A software program for the head impulse testing device (HITD).

A Bohler1, M Mandala, S Ramat

  • 1Upper Austria University for Applied Sciences, Linz, Austria. andreas.boehler@students.fh-linz.at

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|November 25, 2010
PubMed
Summary

The head impulse test reveals vestibular deficits by detecting compensatory saccades. A new computerized method assesses vestibulo-ocular reflex (VOR) function during head rotation.

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Area of Science:

  • Neuroscience
  • Ophthalmology
  • Audiology

Background:

  • The vestibulo-ocular reflex (VOR) stabilizes vision during head movements using semicircular canal input.
  • Vestibular pathologies can impair VOR, leading to incomplete compensation and visual instability.
  • Central nervous system adaptation can mask VOR deficits, complicating clinical diagnosis.

Purpose of the Study:

  • To develop a reliable computerized technique for assessing vestibular function.
  • To evaluate VOR at various head angular accelerations.
  • To overcome diagnostic challenges posed by VOR adaptation.

Main Methods:

  • A novel computerized system was developed to assess VOR.
  • The system evaluates a patient's ability to read characters during head rotation.

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Last Updated: Jun 6, 2026

Testing of all Six Semicircular Canals with Video Head Impulse Test Systems
08:38

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Published on: April 18, 2019

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  • Vestibular function is assessed across different head angular accelerations.

    • Main Results:

    • The head impulse test identifies vestibular deficits through compensatory saccades.
    • A new computerized technique reliably assesses vestibular function.
    • The method is effective even in patients with adapted VOR.

    Conclusions:

    • The computerized technique offers a reliable method for assessing vestibular function.
    • This approach aids in diagnosing vestibular deficits, particularly in adapted patients.
    • Accurate VOR assessment is crucial for managing visual stability during head movements.