Auditory brain stem responses to bone-conducted tones in infants

David R. Stapells; Robert J. Ruben

doi:10.1177/000348948909801205

Auditory brain stem responses to bone-conducted tones in infants

David R. Stapells, Robert J. Ruben

Otorhinolaryngology - Head & Neck Surgery

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

Abstract

The auditory brain stem responses (ABRs) to 500- and 2,000-Hz bone-conducted (BC) tones were recorded from 48 infants with ears exhibiting various external and middle ear states (normal, otitis media, auditory meatal atresia). Amplitudes were greater, wave V latencies longer, and detectability better for responses to 500-Hz BC tones compared to 2,000-Hz BC tones. Overall, most (94% to 100%) infants with normal cochlear sensitivity demonstrate ABRs to 20-dB normal hearing level (nHL) 500-Hz BC tones and 30-dB nHL 2,000-Hz BC tones. In cases in which masking is difficult (eg, bilateral atresia), infant ipsilateral/contralateral ABR asymmetries may help determine from which cochlea a response to the BC tones originates. In conclusion, two-channel ABR recordings to BC tones appear to be feasible for demonstrating normal cochlear sensitivity in infants.

Original language	English (US)
Pages (from-to)	941-949
Number of pages	9
Journal	Annals of Otology, Rhinology & Laryngology
Volume	98
Issue number	12
DOIs	https://doi.org/10.1177/000348948909801205
State	Published - Dec 1989

Keywords

auditory brain stem response
aural atresia
bone conduction
conductive impairment
infant
response asymmetry

ASJC Scopus subject areas

Otorhinolaryngology

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10.1177/000348948909801205

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title = "Auditory brain stem responses to bone-conducted tones in infants",

abstract = "The auditory brain stem responses (ABRs) to 500- and 2,000-Hz bone-conducted (BC) tones were recorded from 48 infants with ears exhibiting various external and middle ear states (normal, otitis media, auditory meatal atresia). Amplitudes were greater, wave V latencies longer, and detectability better for responses to 500-Hz BC tones compared to 2,000-Hz BC tones. Overall, most (94% to 100%) infants with normal cochlear sensitivity demonstrate ABRs to 20-dB normal hearing level (nHL) 500-Hz BC tones and 30-dB nHL 2,000-Hz BC tones. In cases in which masking is difficult (eg, bilateral atresia), infant ipsilateral/contralateral ABR asymmetries may help determine from which cochlea a response to the BC tones originates. In conclusion, two-channel ABR recordings to BC tones appear to be feasible for demonstrating normal cochlear sensitivity in infants.",

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Auditory brain stem responses to bone-conducted tones in infants

Abstract

Keywords

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