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Auditory sensitivity in preschool children.

B A Schneider, S E Trehub, B A Morrongiello

    The Journal of the Acoustical Society of America
    |February 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

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    Hearing thresholds in children aged 3-5 years improve with age, approaching adult levels. However, children exhibit superior hearing sensitivity at 20 kHz compared to adults, suggesting unique developmental auditory changes.

    Area of Science:

    • Audiology
    • Developmental Neuroscience
    • Otoacoustic Emissions

    Background:

    • Auditory development in early childhood is crucial for language acquisition and cognitive function.
    • Understanding age-related changes in hearing sensitivity informs early identification of hearing impairments.
    • Previous research indicates significant improvements in hearing thresholds during early childhood.

    Purpose of the Study:

    • To investigate age-related changes in auditory thresholds in young children (3-5 years).
    • To compare hearing sensitivity in children and adults across various sound frequencies.
    • To explore potential mechanisms underlying developmental auditory changes.

    Main Methods:

    • Psychoacoustic testing was used to determine hearing thresholds.

    Related Experiment Videos

  • Octave-band and 1/3-octave-band noises were presented at specific center frequencies (0.4-20 kHz).
  • Participants included children aged 3-5 years and a group of adults.

    • Main Results:

    • Hearing thresholds improved (decreased) for all tested frequencies between 3 and 5 years of age.
    • Thresholds continued to improve into adulthood for most frequencies.
    • Children aged 3-5 years demonstrated significantly lower (better) thresholds at 20 kHz than adults.

    Conclusions:

    • Auditory system maturation continues through early childhood and into adulthood.
    • The superior high-frequency hearing in young children at 20 kHz warrants further investigation.
    • Age-related changes in cochlear mechanics and neural processing likely contribute to observed hearing development.