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Related Concept Videos

Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Related Experiment Video

Updated: May 13, 2026

Cross-Modal Multivariate Pattern Analysis
13:51

Cross-Modal Multivariate Pattern Analysis

Published on: November 9, 2011

Multivoxel patterns reveal functionally differentiated networks underlying auditory feedback processing of speech.

Zane Z Zheng1, Alejandro Vicente-Grabovetsky, Ewen N MacDonald

  • 1Centre for Neuroscience Studies, Queen's University, Kingston, K7L 3N6 Ontario, Canada. zane.z.zheng@gmail.com

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|March 8, 2013
PubMed
Summary

The brain uses distinct neural networks to process auditory feedback errors during speech. These networks help detect and correct deviations between intended and actual vocalizations, crucial for motor control.

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Area of Science:

  • Neuroscience
  • Speech Motor Control
  • Auditory Feedback Processing

Background:

  • Speech production relies on complex motor control and auditory feedback monitoring.
  • Detecting and processing errors in auditory feedback is vital for accurate vocalization.

Purpose of the Study:

  • To investigate the neural networks supporting auditory feedback processing during speech motor control.
  • To differentiate brain responses to distorted versus unaltered auditory feedback during vocalization and passive listening.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) combined with multivoxel pattern analysis.
  • Real-time speech-tracking system to deliver distorted or unaltered auditory feedback during vocalization and passive listening.
  • Analysis of neural-pattern similarity across different auditory feedback conditions.

Main Results:

  • Three functionally differentiated brain networks showed differential sensitivity to distorted auditory feedback during vocalization versus passive listening.
  • A network including the right angular gyrus, right supplementary motor area, and cerebellum encoded an "error signal" irrespective of acoustic features during articulation.
  • A frontotemporal network was sensitive to speech features during passive listening, with diminished sensitivity during vocalization.

Conclusions:

  • Auditory feedback processing during speech motor control involves multiple, interactive, and functionally differentiated neural systems.
  • Specific brain networks are specialized for error detection and feature processing in auditory feedback during speech.