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Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
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Language Development01:22

Language Development

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Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
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Related Experiment Video

Updated: Sep 2, 2025

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

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

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Language acquisition and speech rhythm patterns: an auditory neuroscience perspective.

Usha Goswami1

  • 1Centre for Neuroscience in Education, Department of Psychology, University of Cambridge, Cambridge, UK.

Royal Society Open Science
|August 1, 2022
PubMed
Summary

Infants universally acquire language through fundamental speech signal components, particularly amplitude modulation (AM) patterns. Rhythmic elements in speech, like lullabies and BabyTalk, are crucial for developing the linguistic brain and understanding language disorders.

Keywords:
auditorylanguage acquisitionneurosciencesperspectiverhythm

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Area of Science:

  • Auditory Neuroscience
  • Developmental Linguistics
  • Speech Signal Processing

Background:

  • Human infants universally acquire language, indicating shared neural mechanisms and speech signal components across diverse languages.
  • Developmental language disorder and developmental dyslexia affect approximately 7% of children, highlighting challenges in oral and written language acquisition.
  • Amplitude modulation (AM) modeling offers new insights into speech processing and its role in language development.

Purpose of the Study:

  • To explore the fundamental components of the speech signal that facilitate language acquisition in infants.
  • To investigate the role of neural processing mechanisms shared across languages.
  • To understand how amplitude modulation (AM) and speech rhythm contribute to language development and disorders.

Main Methods:

  • Analysis of the speech signal from an amplitude modulation (AM) perspective.
  • Review of recent advances in auditory neuroscience.
  • Examination of rhythmic patterns in infant-directed speech, including lullabies and BabyTalk.

Main Results:

  • Speech rhythm and amplitude modulation (AM) patterns are fundamental to both sensory and neural linguistic processing.
  • Rhythmic routines in childcare, lullabies, and BabyTalk enhance the AM components essential for building a linguistic brain.
  • Understanding AM processing is key to comprehending typical language acquisition and developmental language disorders.

Conclusions:

  • Fundamental AM components in speech are critical for universal language acquisition.
  • Speech rhythm plays a vital role in auditory and neural processing for language development.
  • Interventions focusing on AM and rhythmic speech may aid in addressing language acquisition disorders.