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Auditory sensitivity in school-age children.

S E Trehub1, B A Schneider, B A Morrongiello

  • 1Erindale College, University of Toronto.

Journal of Experimental Child Psychology
|October 1, 1988
PubMed
Summary
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Auditory sensitivity improves from infancy through childhood, with peak hearing around age 10 for lower frequencies and earlier for higher frequencies. Hearing sensitivity changes with age, impacting different sound frequencies uniquely.

Area of Science:

  • Auditory development
  • Psychoacoustics
  • Human audiology

Background:

  • Auditory sensitivity develops significantly from infancy to adulthood.
  • Previous research established auditory thresholds for infants, preschool children, and adults.
  • A comprehensive understanding of auditory development across the lifespan is lacking.

Purpose of the Study:

  • To determine auditory thresholds in children aged 6 to 16 years.
  • To detail the developmental trajectory of auditory sensitivity from infancy to maturity.
  • To investigate age-related changes in hearing sensitivity across various frequencies.

Main Methods:

  • Measured octave-band noise thresholds (0.4–10 kHz) and 1/3-octave-band noise thresholds (10, 20 kHz).
  • Included participants aged 6 to 16 years.

Related Experiment Videos

  • Combined new data with existing data from infants, preschool children, and adults.

    • Main Results:

    • Auditory sensitivity shows continuous improvement from infancy through school age.
    • Peak auditory sensitivity for low frequencies (0.4, 1 kHz) occurs around 10 years; for mid-frequencies (2, 4 kHz) around 8 years.
    • High-frequency (10 kHz) sensitivity stabilizes by 4-5 years, while 20 kHz sensitivity peaks around 6-8 years before declining to adult levels.

    Conclusions:

    • Auditory development is frequency-dependent, with distinct maturation patterns for different sound ranges.
    • Hearing sensitivity in children differs significantly from adults, particularly at higher frequencies.
    • Findings inform understanding of auditory development, ear maturation, and neural processing efficiency.