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

Air caloric test with continuous thermal change

T Itaya1, M Kitahara

  • 1Department of Otolaryngology, Shiga University of Medical Science, Otsu, Japan.

Acta Oto-Laryngologica. Supplementum
|January 1, 1994
PubMed
Summary
This summary is machine-generated.

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

Subcutaneous panniculitis-like T-cell lymphoma in a patient with dermatomyositis and rheumatoid arthritis.

Scandinavian journal of rheumatology·2025
Same author

Direct observations of energy transfer from resonant electrons to whistler-mode waves in magnetosheath of Earth.

Nature communications·2022
Same author

Collaborative Research Activities of the Arase and Van Allen Probes.

Space science reviews·2022
Same author

Direct measurements of two-way wave-particle energy transfer in a collisionless space plasma.

Science (New York, N.Y.)·2018
Same author

Severe veno-occlusive disease/sinusoidal obstruction syndrome after deceased-donor and living-donor liver transplantation.

Transplantation proceedings·2014
Same author

Relationship between midgut malrotation and anatomy of the hepatoduodenal ligament: a rare anatomical variation in a deceased donor.

Transplantation proceedings·2014

A novel air caloric vestibular testing method precisely measures temperature thresholds for nystagmus. A 0.05 degrees C/s cooling rate demonstrated the most reliable results in pilot studies.

Area of Science:

  • Otolaryngology
  • Neuroscience
  • Vestibular System

Background:

  • Vestibular testing is crucial for diagnosing balance disorders.
  • Conventional caloric tests use rapid temperature changes, which can cause discomfort.
  • A need exists for a more precise and comfortable method for vestibular assessment.

Purpose of the Study:

  • To introduce and evaluate a new air caloric vestibular testing technique.
  • To determine the optimal rate of continuous thermal change for accurate temperature threshold measurement.
  • To assess the reliability and patient comfort of the new method.

Main Methods:

  • A novel air caloric stimulator was employed for vestibular testing.
  • The temperature threshold for inducing caloric nystagmus was measured during a continuous, controlled decrease in air temperature.

Related Experiment Videos

  • Six different cooling rates (0.01 to 0.2 degrees C/s) were tested in a pilot study.

    • Main Results:

    • The cooling rate of 0.05 degrees C/s yielded the smallest standard deviation for temperature threshold in normal subjects.
    • This rate resulted in the narrowest normal limits when compared using the coefficient of variation.
    • No patient discomfort was reported during or after testing at the optimal rate.

    Conclusions:

    • The continuous thermal change air caloric test is a precise method for vestibular assessment.
    • A cooling rate of 0.05 degrees C/s is optimal for reliability and accuracy.
    • This new technique offers a comfortable and effective alternative for vestibular function evaluation.