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Loudness adaptation in children

C Baruch1, M C Botte, B Scharf

  • 1Laboratoire de Psychologie, Expérimentale, CNRS, Paris, France.

Audiology : Official Organ of the International Society of Audiology
|January 1, 1993
PubMed
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Loudness adaptation in children and adults showed no significant differences. Both groups exhibited considerable adaptation to auditory stimuli, challenging previous findings in pediatric audiology.

Area of Science:

  • Audiology
  • Psychoacoustics
  • Human Auditory Perception

Background:

  • Loudness adaptation is a decrease in perceived loudness over time.
  • Previous research suggested age-related differences in loudness adaptation, with children showing less adaptation than adults.
  • Understanding these differences is crucial for accurate hearing assessments in pediatric populations.

Purpose of the Study:

  • To investigate and compare loudness adaptation between adult and child participants.
  • To determine if age influences the degree or rate of loudness adaptation.
  • To re-evaluate previous findings on pediatric loudness adaptation.

Main Methods:

  • Three methods were used: simple loudness adaptation, contralaterally induced adaptation, and ipsilaterally induced adaptation.

Related Experiment Videos

  • Participants included 12 adults and 36 children (9-14 years) using successive magnitude estimation.
  • A Békésy tracking procedure was employed in a second experiment with 20 adults and 20 children.

    • Main Results:

    • No significant differences in loudness adaptation were found between adults and children across all tested conditions.
    • Both adult and child participants demonstrated considerable loudness adaptation over a 3-minute exposure period.
    • These findings contrast with prior research indicating limited adaptation in children.

    Conclusions:

    • Loudness adaptation mechanisms appear to be mature by 9 years of age.
    • Age is not a significant factor in the degree of loudness adaptation observed in this study.
    • The study highlights the need for updated understanding of auditory adaptation in children.