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Related Concept Videos

Language Development01:22

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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.
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Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
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Related Experiment Video

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Infant Auditory Processing and Event-related Brain Oscillations
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Brain responses to human-voice processing predict child development and intelligence.

Kyung-Min An1,2, Chiaki Hasegawa1, Tetsu Hirosawa3

  • 1Research Center for Child Mental Development, Kanazawa University, Kanazawa, Japan.

Human Brain Mapping
|February 25, 2020
PubMed
Summary
This summary is machine-generated.

Child brain development shows slow auditory cortex maturation. Human voice processing in children is linked to intelligence, particularly in the right hemisphere, highlighting sensory processing

Keywords:
auditory systemchild developmentevent-related fieldsgamma oscillationsintelligencemagnetoencephalography

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Auditory Processing

Background:

  • Children undergo rapid neural and intellectual development.
  • The auditory cortex matures slowly in children, exhibiting immature auditory brain activity.
  • Auditory neural plasticity is influenced by human voice stimuli and impacts brainstem activity.

Purpose of the Study:

  • To identify brain activity associated with human voice processing in children.
  • To investigate the neural correlates of child development and intelligence.
  • To examine neurophysiological activity patterns during human voice processing in young children (3-8 years).

Main Methods:

  • Utilized child-customized magnetoencephalography (MEG) for short recording times (<6 minutes).
  • Investigated auditory evoked fields (AEFs), focusing on the P1m component.
  • Analyzed oscillatory changes, specifically gamma band activity.

Main Results:

  • The amplitude of the left P1m component of AEFs correlated significantly with age.
  • The amplitude of the right P1m component of AEFs showed a strong correlation with intelligence quotient (IQ).
  • A positive correlation was found between IQ and the percentage change of gamma increase in the right auditory cortex.

Conclusions:

  • Confirmed age-related changes in auditory brain activity, linked to the slow maturation of the auditory cortex.
  • Demonstrated a significant association between intelligence and auditory sensory processing, particularly in the right hemisphere.
  • Suggests that auditory processing, especially in the right hemisphere, is a crucial neural correlate of child intelligence.