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

Localization by interaural time difference (ITD): effects of interaural frequency mismatch.

B H Bonham1, E R Lewis

  • 1Department of Otolaryngology, University of California, San Francisco 94143-0732, USA.

The Journal of the Acoustical Society of America
|July 27, 1999
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

Dynamic oscillations of coupled domain walls.

Physical review letters·2012
Same author

Tunable remote pinning of domain walls in magnetic nanowires.

Physical review letters·2011
Same author

Fast domain wall motion in magnetic comb structures.

Nature materials·2010
Same author

The Spread of Bacterial Infection: Further Studies on an Experimental Epidemic of Mouse-Typhoid.

The Journal of hygiene·2010
Same author

Immunisation and Selection as Factors in Herd-Resistance.

The Journal of hygiene·2010
Same author

The Rôle of the Twort-d'Herelle Phenomenon in Epidemics of Mouse-Typhoid.

The Journal of hygiene·2010
Same journal

Segmental vs phrase-level creak in Polish: An acoustic analysis.

The Journal of the Acoustical Society of America·2026
Same journal

Interaction of near-wall bubble arrays with acoustic waves induced by an oscillating rigid wall.

The Journal of the Acoustical Society of America·2026
Same journal

Ultra-broadband underwater acoustic projector based on transverse resonance orthogonal beam (TROB) mode and acoustic matching layer technique.

The Journal of the Acoustical Society of America·2026
Same journal

Fine-scale quantitative analysis of bowhead whale (Balaena mysticetus) song shows varying stability of song types.

The Journal of the Acoustical Society of America·2026
Same journal

High-resolution depth estimation for multiple wideband sources in deep sea via sparse Bayesian learninga).

The Journal of the Acoustical Society of America·2026
Same journal

Depression markers in speech: An approach based on tract variables dynamics.

The Journal of the Acoustical Society of America·2026
See all related articles

Interaural frequency mismatches can alter how the brain processes sound timing, potentially affecting sound localization. Even small mismatches can significantly change the effective time delay, impacting auditory perception.

Area of Science:

  • Auditory Neuroscience
  • Computational Neuroscience
  • Psychoacoustics

Background:

  • The established model for sound localization relies on binaural neurons comparing signals from each ear with matched frequencies.
  • Interaural Time Delay (ITD) is a critical cue for low-frequency sound lateralization.

Purpose of the Study:

  • To investigate the impact of interaural frequency mismatches on the physiological model of ITD-based sound lateralization.
  • To quantify how frequency differences between ears affect neural processing in binaural comparison neurons.

Main Methods:

  • A neurophysiologically derived model represented the peripheral auditory system in cats.
  • Cross-correlators simulated the function of binaural comparison neurons.
  • Simulations explored the effects of varying interaural characteristic frequency (CF) mismatches.

Related Experiment Videos

Main Results:

  • Interaural CF mismatches can amplify or reduce the effective time delay difference between auditory nerve fibers.
  • Magnitude of effective delay alteration can reach 400 microseconds for CF mismatches up to 0.2 octaves.
  • A small CF mismatch (0.012 octaves) near 500 Hz creates a 25-microsecond delay, sufficient for behavioral sound lateralization in cats.

Conclusions:

  • The study demonstrates that frequency tuning disparities between ears are a significant factor in auditory signal processing.
  • These mismatches can modulate the neural representation of ITD, influencing sound localization capabilities.
  • The findings challenge the strict assumption of perfect frequency matching in auditory models for ITD processing.