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

Sharp vibration maximum in the cochlea without wave reflection.

J J Zwislocki

    Hearing Research
    |January 1, 1983
    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

    On a psychophysical transformed-rule up and down method converging on a 75% level of correct responses.

    Proceedings of the National Academy of Sciences of the United States of America·2001
    Same author

    Place code for pitch: a necessary revision.

    Acta oto-laryngologica·1999
    Same author

    Cochlear mechanisms of frequency and intensity coding. II. Dynamic range and the code for loudness.

    Hearing research·1998
    Same author

    Cochlear mechanisms of frequency and intensity coding. I. The place code for pitch.

    Hearing research·1997
    Same author

    Enhanced cochlear responses after sound exposure.

    Hearing research·1997
    Same author

    Relationships of intensity discrimination to sensation and loudness levels: dependence on sound frequency.

    The Journal of the Acoustical Society of America·1996
    Same journal

    Effects of early hearing deficits on olivocochlear efferent neuron morphology in mice.

    Hearing research·2026
    Same journal

    Cochlear aging after synaptopathic noise: age-noise interactions in hair cell loss and axonal degeneration.

    Hearing research·2026
    Same journal

    MERGE: Misophonia and emotion regulation in a guided experience sampling study.

    Hearing research·2026
    Same journal

    Repopulating microglia recapitulate developmental characteristics during a period of auditory circuit recovery.

    Hearing research·2026
    Same journal

    Deficits in tail-lift and air-righting reflexes in rats after ototoxicity associate with loss of vestibular type I hair cells.

    Hearing research·2026
    Same journal

    Slc16a5 (MCT6) knockout induces sex-dependent changes in auditory function, hair cell viability and cochlear transcriptomic programs in the mouse.

    Hearing research·2026
    See all related articles

    A study on cochlear mechanics reveals that a constant characteristic impedance explains the sharp vibration maximum of the basilar membrane, resolving paradoxes in auditory wave propagation.

    Area of Science:

    • Auditory Neuroscience
    • Bioacoustics
    • Mathematical Modeling

    Background:

    • The sharp vibration maximum of the basilar membrane at the best frequency presents a challenge to existing models of auditory wave propagation.
    • Empirical data suggests a reflectionless traveling wave, which appears contradictory to the observed vibration peak.

    Purpose of the Study:

    • To resolve the paradox between the sharp basilar membrane vibration maximum and the concept of a reflectionless traveling wave.
    • To investigate the role of characteristic impedance in cochlear mechanics.

    Main Methods:

    • Representing the cochlea as a transmission line.
    • Investigating the characteristic impedance of the cochlea using a derived differential equation valid for various wavelengths.
    • Analyzing the behavior of characteristic impedance around the vibration maximum.

    Related Experiment Videos

    Main Results:

    • The characteristic impedance of the cochlea remains practically constant for short wavelengths near the vibration maximum.
    • This constancy is independent of the rapid variations in the basilar membrane's impedance.
    • The study found no expected wave reflection due to the stable characteristic impedance.

    Conclusions:

    • The constant characteristic impedance effectively explains the sharp vibration maximum of the basilar membrane.
    • This finding reconciles the observed vibration peak with the empirical evidence of a reflectionless traveling wave.
    • The transmission line model provides a robust framework for understanding cochlear wave dynamics.