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 processing of frequency ramps

S Arlinger

    Audiology : Official Organ of the International Society of Audiology
    |November 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Listeners with cochlear hearing loss have difficulty detecting frequency changes, showing elevated thresholds for frequency change (DLF). This is linked to altered cortical responses, suggesting pitch perception changes in hearing loss.

    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 light-induced sneezing.

    Eye (London, England)·2009
    Same author

    Reference data for evaluation of occupationally noise-induced hearing loss.

    Noise & health·2005
    Same author

    Candidature for and delivery of audiological services: special needs of older people.

    International journal of audiology·2003
    Same author

    Speech recognition in background noise: monaural versus binaural listening conditions in normal-hearing patients.

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

    Evaluation of a cognitive test battery in young and elderly normal-hearing and hearing-impaired persons.

    Journal of the American Academy of Audiology·2001
    Same author

    Cognitive effects in dichotic speech testing in elderly persons.

    Ear and hearing·2001
    Same journal

    Apoptosis in the OC-k3 immortalized cell line treated with different agents.

    Audiology : official organ of the International Society of Audiology·2002
    Same journal

    Age-related histopathological changes of the stria vascularis: an experimental model.

    Audiology : official organ of the International Society of Audiology·2002
    Same journal

    Anatomical, metabolic and genetic aspects of age-related hearing loss in mice.

    Audiology : official organ of the International Society of Audiology·2002
    Same journal

    Effect of ageing on otoacoustic emissions and efferent suppression in humans.

    Audiology : official organ of the International Society of Audiology·2002
    Same journal

    Cochlear function and speech recognition in the elderly.

    Audiology : official organ of the International Society of Audiology·2002
    Same journal

    Determination and classification of the problems experienced by hearing-impaired elderly people.

    Audiology : official organ of the International Society of Audiology·2002
    See all related articles

    Area of Science:

    • Auditory Neuroscience
    • Psychoacoustics
    • Audiology

    Background:

    • Linear frequency ramps of pure tones are used to study auditory perception.
    • Hearing loss can affect the ability to perceive frequency changes and evoke cortical responses.

    Purpose of the Study:

    • To investigate behavioral thresholds for frequency change (DLF) and slow cortical potentials in individuals with normal hearing and hearing loss.
    • To explore the relationship between DLF, evoked potentials, and different types of hearing impairment.

    Main Methods:

    • Utilized linear frequency ramps of continuous pure tones as auditory stimuli.
    • Measured behavioral DLF and slow evoked cortical potentials in participants.
    • Included groups with normal hearing, cochlear hearing loss, and retrocochlear lesions.

    Related Experiment Videos

    Main Results:

    • Cochlear hearing loss group exhibited elevated DLFs (average factor of 3) compared to normal hearing, irrespective of ramp duration.
    • Slow evoked cortical potentials showed longer N1 latencies in the cochlear group for small ramps, with this pattern reversing for larger ramps.
    • Retrocochlear lesions resulted in evoked cortical responses significantly different from both normal and cochlear groups.

    Conclusions:

    • Elevated DLFs and altered cortical responses in cochlear hearing loss suggest impaired pitch change perception.
    • The observed changes in evoked potentials with ramp size indicate 'recruitment of pitch change' in cochlear impairment.
    • Retrocochlear lesions present distinct auditory processing deficits compared to cochlear damage.