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

Auditory nerve activity and cochlear morphology after noise exposure.

R J Salvi, R P Hamernik, D Henderson

    Archives of Oto-Rhino-Laryngology
    |January 1, 1979
    PubMed
    Summary

    Noise-induced hearing loss in chinchillas showed greater neural threshold shifts than behavioral shifts. Damage, including hair cell lesions, extended beyond the noise frequency, impacting auditory nerve fiber function.

    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

    Single auditory nerve fiber and action potential latencies in normal and noise-treated chinchillas.

    Hearing research·2026
    Same author

    Taking acute medical imaging to the patient, the domiciliary based X-ray response team.

    Radiography (London, England : 1995)·2022
    Same author

    Data Resource Profile: the Scottish Social Care Survey (SCS) and the Scottish Care Home Census (SCHC).

    International journal of population data science·2021
    Same author

    [Inner hair cells loss by carboplatin and the changes of cochlear compound action potential in chinchillas].

    Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery·2020
    Same author

    OssDsign cranioplasty in children: a single-centre experience.

    Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery·2020
    Same author

    A comparison between flow-regulated and adjustable valves used in hydrocephalus during infancy.

    Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery·2020

    Area of Science:

    • Otoacoustic Emissions
    • Auditory Neuroscience
    • Hearing Research

    Background:

    • Noise exposure is a significant cause of hearing impairment.
    • Understanding the relationship between noise exposure, cochlear damage, and auditory function is crucial.

    Purpose of the Study:

    • To investigate the effects of octave band noise exposure on chinchilla hearing.
    • To compare behavioral, neural, and anatomical measures of noise-induced hearing loss.

    Main Methods:

    • Chinchillas were exposed to octave band noise (4 kHz center, 86 dB SPL).
    • Behavioral audiograms and auditory nerve fiber activity were recorded after 6 months.
    • Cochlear tissues were analyzed for hair cell damage and anatomical changes.

    Main Results:

    • Behavioral threshold shifts ranged from 5-20 dB (4-11 kHz).
    • Auditory nerve fiber thresholds elevated up to 70 dB (4-14 kHz).
    • Cochlear lesions affected hair cells, with damage extending beyond the noise frequency.

    Conclusions:

    • Neural thresholds showed greater shifts than behavioral thresholds.
    • Hearing damage and cochlear lesions were most pronounced one octave above the noise center frequency.
    • Auditory nerve fiber dysfunction exceeded the extent of hair cell damage.

    Related Experiment Videos