Air and Bone Conduction Click and Tone-Burst Auditory Brainstem Thresholds Using Kalman Adaptive Processing in Nonsedated Normal-Hearing Infants

Ear and Hearing
Alaaeldin M ElsayedLeigh G Schaid

Abstract

To study normative thresholds and latencies for click and tone-burst auditory brainstem response (TB-ABR) for air and bone conduction in normal infants and those discharged from neonatal intensive care units, who passed newborn hearing screening and follow-up distortion product otoacoustic emission. An evoked potential system (Vivosonic Integrity) that incorporates Bluetooth electrical isolation and Kalman-weighted adaptive processing to improve signal to noise ratios was employed for this study. Results were compared with other published data. One hundred forty-five infants who passed two-stage hearing screening with transient-evoked otoacoustic emission or automated auditory brainstem response were assessed with clicks at 70 dB nHL and threshold TB-ABR. Tone bursts at frequencies between 500 and 4000 Hz were used for air and bone conduction auditory brainstem response testing using a specified staircase threshold search to establish threshold levels and wave V peak latencies. Median air conduction hearing thresholds using TB-ABR ranged from 0 to 20 dB nHL, depending on stimulus frequency. Median bone conduction thresholds were 10 dB nHL across all frequencies, and median air-bone gaps were 0 dB across all frequencies. There w...Continue Reading

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Citations

Jan 3, 2016·The Journal of the Acoustical Society of America·Douglas H KeefeDenis F Fitzpatrick
Aug 23, 2018·Ear and Hearing·Ursula M FindlenOliver F Adunka
Dec 14, 2016·Journal of the Association for Research in Otolaryngology : JARO·Douglas H KeefeDenis F Fitzpatrick
Dec 9, 2016·Journal of the Association for Research in Otolaryngology : JARO·Lisa L HunterDenis F Fitzpatrick
Mar 10, 2019·International Journal of Audiology·Andrew Stuart, Hannah M Nelson
Nov 20, 2019·Brazilian Journal of Otorhinolaryngology·Daniela Soares de Brito, Alessandra Spada Durante
Jul 25, 2019·Brazilian Journal of Otorhinolaryngology·Dayane Domeneghini DidonéPricila Sleifer

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