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Updated: Jun 18, 2026

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

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

An electrophysiological correlate of voice processing in 4- to 5-year-old children

Ophelie Rogier1, Sylvie Roux, Pascal Belin

  • 1UMR INSERM U930, CNRS ERL 3106, Université François-Rabelais de Tours, CHRU de Tours, France. o.rogier@chu-tours.fr

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|November 10, 2009
PubMed

Insights

Researchers identified a unique brain response in young children to voices, distinct from environmental sounds. This early positive electrical signal, called Fronto-Temporal Positivity to Voice (FTPV), occurs in the right fronto-temporal area.

Area of Science:

  • Neuroscience
  • Auditory Neuroscience
  • Developmental Neuroscience

Background:

  • Cortical auditory evoked potentials (CAEPs) are crucial for understanding auditory processing in children.
  • Differentiating neural responses to speech versus non-speech sounds is key to early language development.

Purpose of the Study:

  • To investigate CAEPs in response to voice and environmental sounds in 4- to 5-year-old children.
  • To identify specific neural markers distinguishing voice processing from environmental sound processing in early childhood.

Main Methods:

  • Recording cortical auditory evoked potentials in young children (4-5 years old).
  • Presenting auditory stimuli including human voices and environmental sounds.
  • Analyzing electrophysiological data to identify distinct response patterns.

Main Results:

  • A specific neural response to voice stimuli was identified.
  • This voice-specific response differed from responses to environmental sounds.
  • The response was characterized as a positive deflection at right fronto-temporal sites, emerging within 60ms of stimulus onset.
  • This response was termed Fronto-Temporal Positivity to Voice (FTPV).

Conclusions:

  • Children as young as 4-5 years old exhibit a distinct early cortical response to voice.
  • The Fronto-Temporal Positivity to Voice (FTPV) serves as a potential neural marker for voice processing in early development.
  • This finding contributes to understanding the neurodevelopmental basis of auditory perception and language acquisition.

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