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

Temporal pitch perception and the binaural system.

R P Carlyon1, L Demany, J Deeks

  • 1MRC Cognition and Brain Sciences Unit, Cambridge, United Kingdom. bob.carlyon@mrc-cbu.cam.ac.uk

The Journal of the Acoustical Society of America
|March 16, 2001
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

Evidence for causal top-down frontal contributions to predictive processes in speech perception.

Nature communications·2017
Same author

A Comparison of Outcomes in Patients with Infrapopliteal Disease Randomised to Vein Bypass or Plain Balloon Angioplasty in the Bypass vs. Angioplasty in Severe Ischaemia of the Leg (BASIL) Trial.

European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery·2017
Same author

Ultrasound bladder wall thickness and detrusor overactivity: a multicentre test accuracy study.

BJOG : an international journal of obstetrics and gynaecology·2017
Same author

Primary care REFerral for EchocaRdiogram (REFER) in heart failure: a diagnostic accuracy study.

The British journal of general practice : the journal of the Royal College of General Practitioners·2016
Same author

Reply: Models for predicting live birth before a first IVF cycle.

Human reproduction (Oxford, England)·2016
Same author

Outcome in fetal lower urinary tract obstruction: a prospective registry study.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2015

This study investigated how perceived pitch and sound location are linked. Results show that temporal pitch perception is independent of the binaural mechanisms that determine auditory lateralization.

Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics
  • Binaural Hearing

Background:

  • Auditory lateralization, the perceived spatial location of a sound, is influenced by binaural cues like interaural level differences (ILD) and interaural time differences (ITD).
  • Temporal pitch, perceived from the rate of repeating sounds, is a fundamental aspect of auditory perception.
  • The relationship between temporal pitch perception and the binaural mechanisms underlying auditory lateralization remains an area of active research.

Purpose of the Study:

  • To investigate the relationship between temporal pitch (rate) perception and auditory lateralization.
  • To determine if the binaural mechanisms responsible for sound localization also drive temporal pitch perception.

Main Methods:

  • Two experiments utilized dichotic pulse trains filtered to a high-frequency region to eliminate place-of-excitation cues.

Related Experiment Videos

  • Experiment 1 manipulated pulse rates (Fr and 2Fr) and synchrony between ears, assessing perceived location (via ILD) and pitch.
  • Experiment 2 manipulated interaural time differences (ITD) in a dichotic pulse train and assessed perceived location and pitch.

    • Main Results:

    • At low pulse rates (Fr), perceived pitch was consistent across ears, with one image localized centrally.
    • At higher pulse rates (Fr > 25 Hz), perceived pitch differed between the perceived left and right auditory images, and synchrony affected location but not pitch.
    • In Experiment 2, perceived location lateralized with ITD, but perceived pitch remained near the original pulse rate, even when the rate of pulses sharing the ITD was halved.

    Conclusions:

    • Temporal pitch perception is not driven by the output of binaural mechanisms.
    • Auditory lateralization and temporal pitch perception rely on distinct neural processing pathways.
    • The findings suggest a dissociation between the processing of sound location and temporal pitch.