Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Computerized rotational vestibular testing in normal subjects.

Y Y Su1, W Y Chiou, P K Weng

  • 1Department of Otolaryngology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC.

Zhonghua Yi Xue Za Zhi = Chinese Medical Journal; Free China Ed
|June 22, 2000
PubMed
Summary

Computerized rotational vestibular testing, including the sinusoidal harmonic acceleration test (SHAT) and velocity step test, precisely evaluates the vestibulo-ocular reflex. This study establishes normative data for laboratory use, ensuring reliable vestibular function assessment.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Prioritizing interventional diagnosis and treatment for tracheobronchial tuberculosis: paradigm shift and clinical practice enhancement based on the 2025 guidelines].

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases·2026
Same author

[A comparative study on perioperative outcomes and learning curves of domestic robot-assisted versus Da Vinci Xi robot-assisted partial nephrectomy].

Zhonghua wai ke za zhi [Chinese journal of surgery]·2026
Same author

[Prevalence and influencing factors of chronic kidney disease-associated pruritus in patients undergoing maintenance hemodialysis].

Zhonghua yi xue za zhi·2026
Same author

High-Precision Measurement of D(γ,n)p Photodisintegration Reaction and Implications for Big Bang Nucleosynthesis.

Physical review letters·2026
Same author

[Emphasize functional magnetic resonance technology to enhance the clinical precise assessment of spinal diseases].

Zhonghua wai ke za zhi [Chinese journal of surgery]·2026
Same author

[Expression of sialylated CD15 in classical Hodgkin lymphoma following sialidase digestion].

Zhonghua bing li xue za zhi = Chinese journal of pathology·2025

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Audiology

Background:

  • Computerized rotational vestibular testing is crucial for assessing horizontal semicircular canal function via the vestibulo-ocular reflex.
  • Common clinical tests include the sinusoidal harmonic acceleration test (SHAT) and velocity step test.
  • Variability in results across different testing facilities necessitates establishing local normative data.

Purpose of the Study:

  • To establish normative data for computerized vestibular rotational testing within a specific laboratory setting.
  • To ensure accurate and reproducible quantitative evaluation of vestibulo-ocular reflex function.

Main Methods:

  • Fifty-six healthy subjects participated in the study.
  • Subjects underwent both the sinusoidal harmonic acceleration test (SHAT) and the velocity step test.

Related Experiment Videos

  • SHAT parameters (gain, phase, symmetry) were measured at frequencies of 0.02, 0.05, 0.09, and 0.10 Hz.
  • Velocity step test parameters (time constant, maximum slow component eye velocity, directional preponderance) were recorded.

    • Main Results:

    • Sinusoidal harmonic acceleration test (SHAT) gain values showed means +/- standard deviations ranging from 0.47 +/- 0.16 to 0.53 +/- 0.17 across tested frequencies.
    • The coefficient of variation for SHAT gain was 0.32, indicating consistency.
    • Velocity step test time constants were consistently measured at approximately 13.5 +/- 3.6 for both clockwise and counterclockwise rotations.

    Conclusions:

    • Computerized rotational vestibular testing demonstrates high precision.
    • The established normative data supports the reliability of this testing method in clinical practice.