Reliability in Hearing Threshold Prediction in Normal-Hearing and Hearing-Impaired Participants Using Mixed Multiple ASSR

Journal of the American Academy of Audiology
Kjell-Erik IsraelssonErik Berninger

Abstract

The rapidly evolving field of hearing aid fitting in infants requires rapid, objective, and highly reliable methods for diagnosing hearing impairment. The aim was to determine test-retest reliability in hearing thresholds predicted by multiple auditory steady-state response (ASSRthr) among normal-hearing (NH) and hearing-impaired (HI) adults, and to study differences between ASSRthr and pure-tone threshold (PTT) as a function of frequency in each participant. ASSR amplitude versus stimulus level was analyzed to study ASSR growth rate in NH and HI participants, especially at ASSRthr. Mixed multiple ASSR (100% AM, 20% FM), using long-time averaging at a wide range of stimulus levels, and PTT were recorded in 10 NH and 14 HI adults. ASSRthr was obtained in 10 dB steps simultaneously in both ears using a test-retest protocol (center frequencies = 500, 1000, 2000, and 4000 Hz; modulation frequencies = 80-96 Hz). The growth rate at ASSRthr was calculated as the slope (nV/dB) of the ASSR amplitudes obtained at, and 10 dB above, ASSRthr. PTT was obtained in both ears in 1 dB steps using a fixed-frequency Békésy technique. All of the NH participants showed PTTs better than 20 dB HL (125-8000 Hz), and mean pure-tone average (PTA; 500-400...Continue Reading

Citations

Sep 20, 2015·Hearing Research·Sara SardariHossain Talebi
Oct 4, 2016·Hearing Research·Maaike Van EeckhoutteTom Francart
Feb 25, 2020·International Journal of Audiology·Tiago ZanotelliLeonardo Bonato Felix
Jan 27, 2021·Medical & Biological Engineering & Computing·Felipe AntunesLeonardo Bonato Felix
Apr 12, 2021·International Journal of Pediatric Otorhinolaryngology·Marjan SoleimaniNariman Rahbar

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