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

Tympanometry in normal neonates.

M Z Himelfarb, G R Popelka, E Shanon

    Journal of Speech and Hearing Research
    |March 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Acoustic tympanometry in neonates revealed no significant age-related differences in static middle ear values. Reactance and resistance interactions influenced tympanogram shapes, consistent with infant and adult data.

    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

    Use of Ultra-Short Echo Time MRI to Improve Temporal Bone Imaging.

    The Laryngoscope·2024
    Same author

    Identification of noise sources that influence distortion product otoacoustic emission measurements in human neonates.

    Ear and hearing·1998
    Same author

    Growth of the 2f1-f2 distortion product otoacoustic emission for low-level stimuli in human neonates.

    Ear and hearing·1995
    Same author

    Growth of distortion product otoacoustic emissions with primary-tone level in humans.

    Hearing research·1993
    Same author

    Clinical significance of relative probe-tone levels on distortion product otoacoustic emissions.

    Scandinavian audiology·1993
    Same author

    Clinical significance of probe-tone frequency ratio on distortion product otoacoustic emissions.

    Scandinavian audiology·1993
    Same journal

    Temporal resolution in infancy and subsequent language development.

    Journal of speech and hearing research·1996
    Same journal

    Evidence of sensitivity to structural contrasts in the literature on children's language comprehension.

    Journal of speech and hearing research·1996
    Same journal

    Narrative development in late talkers: early school age.

    Journal of speech and hearing research·1996
    Same journal

    A system for the diagnosis of specific language impairment in kindergarten children.

    Journal of speech and hearing research·1996
    Same journal

    Interactive focused stimulation for toddlers with expressive vocabulary delays.

    Journal of speech and hearing research·1996
    Same journal

    Auditory lexical decisions of children with specific language impairment.

    Journal of speech and hearing research·1996
    See all related articles

    Area of Science:

    • Otoacoustic Emissions
    • Audiology
    • Pediatric Otolaryngology

    Background:

    • Middle ear impedance measurements are crucial for assessing neonatal auditory health.
    • Understanding tympanometric patterns in newborns aids in early detection of hearing impairments.

    Purpose of the Study:

    • To characterize acoustic conductance and susceptance tympanograms in neonates across different early age groups.
    • To analyze static acousticImpedance parameters and their relationship with tympanogram morphology in newborns.

    Main Methods:

    • Acoustic conductance and susceptance tympanograms were recorded at 220 Hz and 660 Hz in 34 neonates (8-96 hours old).
    • Static values for impedance components (conductance, susceptance, admittance, resistance, reactance) were calculated.
    • Tympanograms were analyzed for peak patterns (single, double, monotonic) and compared across age groups.

    Related Experiment Videos

    Main Results:

    • No significant differences were observed in mean static impedance values among the three neonatal age groups.
    • At 220 Hz, static reactance was typically smaller than resistance and often positive; at 660 Hz, reactance was negative and similar in magnitude to resistance.
    • Observed tympanogram shapes (single- and double-peaked) correlated with interactions between static resistance and reactance values.

    Conclusions:

    • Neonatal middle ear acousticImpedance characteristics are established early and show minimal variation within the first 96 hours of life.
    • The interplay between resistance and reactance significantly influences tympanogram morphology in neonates.
    • Findings provide normative data for neonatal acousticImpedance, valuable for audiological assessments.