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Related Concept Videos

The Vestibular System01:29

The Vestibular System

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.
Equilibrium and Balance01:15

Equilibrium and Balance

The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...

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Related Experiment Video

Updated: May 13, 2026

Screening People on Standing Balance with Romberg Testing and Walking Balance with Tandem Walking
06:28

Screening People on Standing Balance with Romberg Testing and Walking Balance with Tandem Walking

Published on: September 1, 2023

Vestibular function assessment using the NIH Toolbox.

Rosemarie M Rine1, Michael C Schubert, Susan L Whitney

  • 1Specialty Therapy Source LLC, Jacksonville, FL, USA. specialtytherapy@bellsouth.net

Neurology
|March 13, 2013
PubMed
Summary
This summary is machine-generated.

Two new tests, Dynamic Visual Acuity (DVA) and Balance Accelerometry Measure (BAM), offer a low-cost, easy way to assess vestibular function in individuals aged 3 to 85. These reliable and valid tests can screen for age-related changes and vestibular impairment.

More Related Videos

Behavioral Assessment of the Aging Mouse Vestibular System
09:30

Behavioral Assessment of the Aging Mouse Vestibular System

Published on: July 11, 2014

Related Experiment Videos

Last Updated: May 13, 2026

Screening People on Standing Balance with Romberg Testing and Walking Balance with Tandem Walking
06:28

Screening People on Standing Balance with Romberg Testing and Walking Balance with Tandem Walking

Published on: September 1, 2023

Behavioral Assessment of the Aging Mouse Vestibular System
09:30

Behavioral Assessment of the Aging Mouse Vestibular System

Published on: July 11, 2014

Area of Science:

  • Neuroscience
  • Audiology
  • Gerontology

Background:

  • Vestibular system disorders affect balance and vision.
  • Existing diagnostic tools can be costly and time-consuming.
  • Need for accessible screening methods for vestibular function.

Purpose of the Study:

  • To develop and validate low-cost, easy-to-administer tests for vestibular function.
  • To assess the reliability and validity of Dynamic Visual Acuity (DVA) and Balance Accelerometry Measure (BAM) tests.
  • To evaluate the tests' ability to detect age-related changes and vestibular impairment.

Main Methods:

  • NIH Toolbox Sensory Domain teams developed DVA and BAM tests.
  • Over 300 participants (ages 3-85) with and without vestibular dysfunction were tested.
  • Tests were validated against gold standards and assessed for reliability through repeat testing.

Main Results:

  • DVA and BAM are affordable and suitable for ages 3-85.
  • DVA demonstrated fair to good reliability and moderate sensitivity/specificity.
  • BAM showed moderate correlation with established balance measures.
  • Both tests differentiated between age groups and those with/without vestibular impairment.

Conclusions:

  • The DVA test validly measures visual acuity with head movement.
  • The BAM test provides a valid measure of balance.
  • Both DVA and BAM are sensitive to aging effects and useful for screening vestibular impairment.