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

[Amplitude modulation following response (AMFR)--a method for objective frequency specific audiologic diagnosis]

J Pethe1, K Begall, R Mühler

  • 1Abteilung für Experimentelle Audiologie und Medizinische Physik.

Laryngo- Rhino- Otologie
|January 1, 1996
PubMed
Summary

The 40 Hz amplitude-modulated frequency re-arranged (AMFR) potentials offer a reliable method for objectively assessing hearing below 1 kHz in adults. This technique shows good correspondence with behavioral thresholds, especially in cases of severe 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

[Determination of hearing thresholds in children using auditory brainstem responses : Influence of sedation and anaesthesia on quality and measurement time].

HNO·2019
Same author

[Speaker discrimination in cochlear implant users].

HNO·2016
Same author

[Recurrent swelling of parotid gland in children].

HNO·2015
Same author

[Objective diagnostic methods in pediatric audiology].

HNO·2014
Same author

[A rare cause of an external ear canal stenosis].

Laryngo- rhino- otologie·2014
Same author

[On the effect of reverberation on speech intelligibility by cochlear implant listeners].

HNO·2013

Area of Science:

  • Audiology
  • Neuroscience
  • Otoacoustic Emissions

Context:

  • Objective hearing assessment below 1 kHz presents challenges due to stimulus requirements and potential frequency specificity.
  • Early auditory potentials often struggle with the steep stimulus rise edge needed for low-frequency evaluation.
  • The amplitude-modulated frequency re-arranged (AMFR) potentials are explored as a potential solution.

Purpose:

  • To evaluate the diagnostic role of AMFR for assessing hearing thresholds below 1 kHz.
  • To compare AMFR thresholds with behavioral hearing thresholds in normal and hearing-impaired individuals.
  • To determine the frequency specificity of the AMFR response.

Summary:

  • A study compared AMFR thresholds to behavioral thresholds in 13 normal hearing subjects and 46 patients with hearing loss using amplitude-modulated tones at 0.5 and 1 kHz.

Related Experiment Videos

  • An empirical detectability criterion and high-pass masking were employed to objectify interpretation and assess frequency specificity.
  • Results demonstrated good correspondence between AMFR and behavioral thresholds, with higher accuracy in severe hearing loss cases.

    • Impact:

    • The 40 Hz-AMFR method is suitable for objective, frequency-specific hearing assessment in adults.
    • Clinical application challenges include extended investigation time and dependence on patient wakefulness.
    • This research contributes to improved diagnostic tools for low-frequency hearing loss.