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Related Experiment Video

Updated: Jun 21, 2026

Infant Auditory Processing and Event-related Brain Oscillations
06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

Electrophysiological study of auditory development.

S Lippé1, E Martinez-Montes, C Arcand

  • 1Centre de recherche du Centre Hospitalier Universitaire Sainte-Justine, Montréal, Québec, Canada. sarah.lippe@umontreal.ca

Neuroscience
|August 12, 2009
PubMed
Summary
This summary is machine-generated.

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Auditory brain development shows precursors in infants and children. Complex adult auditory evoked potential responses emerge after age five, with shifts in frequency involvement.

Area of Science:

  • Neuroscience
  • Developmental Neuroscience
  • Auditory Neuroscience

Background:

  • Cortical auditory evoked potential (CAEP) testing is crucial for studying auditory brain development.
  • Understanding the developmental trajectory of auditory processing is essential for identifying potential developmental delays or disorders.

Purpose of the Study:

  • To investigate the developmental changes in auditory electrophysiological signals from infancy to adulthood.
  • To identify precursors of adult auditory responses in infant and child CAEPs.
  • To analyze the temporal and spectral characteristics of auditory evoked potentials during development.

Main Methods:

  • High-density electrophysiological recording was used to analyze cerebral responses to auditory stimulation (broadband noises).

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Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
14:05

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

Related Experiment Videos

Last Updated: Jun 21, 2026

Infant Auditory Processing and Event-related Brain Oscillations
06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
14:05

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

  • The study included 40 infants and children (1 month to 5 years 6 months) and 10 adults.
  • Analysis focused on temporal and spectral domains of auditory evoked potentials.

    • Main Results:

    • Complex adult CAEP responses and spectral patterns, characterized by decreased low-frequency and increased high-frequency involvement, emerge after 5 years of age.
    • Infants and toddlers exhibit alpha and beta band contributions to CAEPs, which mature into beta and gamma band activity in adults.
    • Developmental precursors of adult auditory responses were identified in the electrophysiological signals.

    Conclusions:

    • Auditory brain development involves gradual changes in electrophysiological responses, with distinct precursors identifiable in early childhood.
    • The maturation of auditory processing is reflected in the shift of frequency band dominance within CAEPs.
    • This study provides insights into the general developmental patterns of the auditory system from infancy through adulthood.