Pure-Tone Frequency Discrimination in Preschoolers, Young School-Age Children, and Adults

Journal of Speech, Language, and Hearing Research : JSLHR
Jane RoseEmily Buss

Abstract

Published data indicate nearly adultlike frequency discrimination in infants but large child-adult differences for school-age children. This study evaluated the role that differences in measurement procedures and stimuli may have played in the apparent nonmonotonicity. Frequency discrimination was assessed in preschoolers, young school-age children, and adults using stimuli and procedures that have previously been used to test infants. Listeners were preschoolers (3-4 years), young school-age children (5-6 years), and adults (19-38 years). Performance was assessed using a single-interval, observer-based method and a continuous train of stimuli, similar to that previously used to evaluate infants. Testing was completed using 500- and 5000-Hz standard tones, fixed within a set of trials. Thresholds for frequency discrimination were obtained using an adaptive, two-down one-up procedure. Adults and most school-age children responded by raising their hands. An observer-based, conditioned-play response was used to test preschoolers and those school-age children for whom the hand-raise procedure was not effective for conditioning. Results suggest an effect of age and frequency on thresholds but no interaction between these 2 factors. ...Continue Reading

References

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May 16, 2014·Journal of Speech, Language, and Hearing Research : JSLHR·Emily BussLori J Leibold

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Citations

Nov 18, 2020·Ear and Hearing·Srikanta K MishraHansapani Rodrigo

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