Auditory brain stem responses to bone-conducted tones in infants

David R. Stapells, Robert J. Ruben

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


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 languageEnglish (US)
Pages (from-to)941-949
Number of pages9
JournalAnnals of Otology, Rhinology & Laryngology
Issue number12
StatePublished - Dec 1989


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

ASJC Scopus subject areas

  • Otorhinolaryngology


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