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

Effects of the auditory prosthesis on postural stability.

F O Black

    The Annals of Otology, Rhinology & Laryngology. Supplement
    |May 1, 1977
    PubMed
    Summary

    Postural stability testing revealed abnormal balance in subjects using cochlear implants, especially without visual cues. Implant activation further disrupted balance, suggesting galvanic stimulation of the vestibular system.

    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

    Effects of eccentric rotation on the human pitch vestibulo-ocular reflex.

    Acta oto-laryngologica·2008
    Same author

    Influence of imaginary target on "dumping" of vestibulo-ocular reflexes and postural control.

    Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology·2004
    Same author

    Vestibular prostheses: the engineering and biomedical issues.

    Journal of vestibular research : equilibrium & orientation·2003
    Same author

    What can posturography tell us about vestibular function?

    Annals of the New York Academy of Sciences·2001
    Same author

    Recovery from vestibular ototoxicity.

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2001
    Same author

    Medical investigations and resulting countermeasures in support of 16-day Space Shuttle missions.

    Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology·2001

    Area of Science:

    • Neuroscience
    • Audiology
    • Vestibular System

    Background:

    • Assessing vestibular function is crucial for understanding balance disorders.
    • Cochlear implants provide auditory information but their effect on vestibular function requires investigation.
    • External otitis can preclude traditional caloric vestibular testing.

    Purpose of the Study:

    • To evaluate vestibular function in cochlear implant recipients using computerized posturography.
    • To determine the impact of cochlear implant activation on postural stability.
    • To investigate the potential for galvanic stimulation of the vestibular nerve by cochlear implants.

    Main Methods:

    • Computerized posturography was used to measure postural stability in 13 subjects.
    • Testing included conditions with eyes open and closed, and with the cochlear implant prosthesis off and activated.
    • Two subjects with external otitis were included, who could not undergo caloric testing.

    Main Results:

    • All subjects exhibited abnormal postural instability, particularly when visual input was removed.
    • Cochlear implant activation significantly disrupted postural stability.
    • Combined prosthesis activation and visual deprivation led to further increased postural instability.

    Conclusions:

    • Cochlear implant recipients demonstrate impaired postural control, exacerbated by visual deprivation.
    • The findings suggest that cochlear implant stimulators may deliver a galvanic stimulus to the vestibular nerve or nuclei.
    • Posturography is a valuable tool for assessing vestibular function in patients with contraindications to caloric testing.

    Related Experiment Videos