Jove
Visualize
Contact Us

Related Experiment Videos

Binaural speech discrimination

F J van Zyl, V J Brasier

    Audiology : Official Organ of the International Society of Audiology
    |September 1, 1976
    PubMed
    Summary

    Binaural summation, the brain combining sounds from both ears, was studied to locate hearing lesions. Tests comparing single-ear and both-ear speech scores did not distinguish between peripheral and cochlear nuclei damage.

    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

    Hearing loss in the child following streptomycin administration during pregnancy.

    The Central African journal of medicine·1991
    Same author

    The effect of frequency tolerance on audiometer accuracy.

    South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde·1977
    Same author

    A study of the causes of hearing loss in a population of deaf children with special reference to genetic factors.

    The Journal of laryngology and otology·1975
    Same author

    Pitfalls in audiometry.

    Public health·1974
    Same author

    A binaural integration test.

    Audiology : official organ of the International Society of Audiology·1973
    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

    Area of Science:

    • Auditory Neuroscience
    • Clinical Audiology
    • Neuro-otology

    Background:

    • Binaural summation, where the brain integrates auditory signals from both ears, is a well-established phenomenon.
    • Differences in binaural summation patterns are hypothesized between central auditory pathway lesions and peripheral auditory tract damage.
    • Existing diagnostic tests compare monaural (single ear) and binaural (both ears) speech discrimination scores to localize auditory lesions.

    Purpose of the Study:

    • To evaluate the efficacy of two specific tests in differentiating lesion sites within the auditory system.
    • To investigate whether binaural summation patterns differ between peripheral cochlear pathology and central cochlear nuclei lesions.

    Main Methods:

    • Three subject groups were recruited: normal hearing, cochlear pathology, and cochlear nuclei lesions.
    • Two established tests comparing monaural and binaural speech discrimination scores were administered.
    • Performance on these tests was analyzed across the three subject groups.

    Main Results:

    • Neither of the examined tests successfully differentiated between subjects with peripheral cochlear lesions and those with lesions at the cochlear nuclei.
    • The findings suggest limitations in current speech discrimination tests for precise lesion localization in these specific auditory pathways.

    Conclusions:

    • The evaluated speech discrimination tests are not effective in distinguishing between peripheral cochlear pathology and lesions affecting the cochlear nuclei.
    • Further research is needed to develop more accurate methods for localizing auditory pathway lesions using binaural processing.

    Related Experiment Videos