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

Neural processing of amplitude-modulated sounds.

P X Joris1, C E Schreiner, A Rees

  • 1Laboratory of Auditory Neurophysiology, K.U. Leuven, Campus Gasthuisberg, B-3000 Leuven, Belgium. Philip.Joris@med.kuleuven.ac.be

Physiological Reviews
|March 27, 2004
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

Distinct cell classes in the superior paraolivary nucleus (SPN) region in the gerbil auditory brainstem revealed by in vivo physiological and anatomical characterization.

Hearing research·2025
Same author

Frequency selectivity in monkey auditory nerve studied with suprathreshold multicomponent stimuli.

Hearing research·2024
Same author

Ischaemic stroke with multi-focal venous and arterial thrombosis due to hyperhomocysteinemia: anabolic androgenic steroid use and MTHFR c.667 C > T variant - a case report.

BMC neurology·2023
Same author

Iris melanoma versus syphilitic iris nodule: A diagnostic challenge.

Journal francais d'ophtalmologie·2023
Same author

Scientific Business Abstracts of the 112th Annual Meeting of the Association of Physicians of Great Britain and Ireland.

QJM : monthly journal of the Association of Physicians·2019
Same author

Udder firmness as a possible indicator for clinical mastitis.

Journal of dairy science·2017

Specialized neural mechanisms extract amplitude modulation (AM) information in the auditory system. This temporal feature is crucial for processing natural sounds and is reflected in neural properties across auditory pathways.

Area of Science:

  • Neuroscience
  • Auditory System Research
  • Psychoacoustics

Background:

  • Amplitude modulation (AM) is a key temporal feature in natural acoustic signals.
  • Psychophysical studies highlight AM's importance in various perceptual tasks across different time scales.
  • Advances in stimulus synthesis have renewed focus on the modulation dimension in auditory research.

Purpose of the Study:

  • To investigate the existence of specialized neural mechanisms for extracting AM information.
  • To determine if the modulation domain is essential for understanding auditory neural architecture.
  • To explore how AM processing is represented at different levels of the auditory system.

Main Methods:

  • Analysis of neural activity in response to amplitude-modulated stimuli.

Related Experiment Videos

  • Recording neural responses at various anatomical levels of the auditory neuraxis.
  • Examining neural tuning to modulation frequency, rate, and synchronization.

    • Main Results:

    • Peripheral auditory structures transmit and are tuned to AM envelope information.
    • AM tuning shifts from synchronization to average firing rate at higher auditory levels.
    • Neural responses show decreased sensitivity to high modulation frequencies and increased tolerance for other stimulus parameters at higher levels.

    Conclusions:

    • Dedicated neural mechanisms for AM extraction exist throughout the auditory system.
    • Modulation processing is fundamental to auditory perception, aiding in source detection, discrimination, and localization.
    • Physiological properties at different anatomical levels reflect the critical role of temporal modulations in auditory processing.