Normal infant and adult auditory brainstem responses to bone-conducted tones

John J. Foxe, David R. Stapells

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

Auditory brainstem responses (ABRs) were recorded to 500-and 2000-Hz bone-conducted (BC) tones from normal infants and adults. Infant ABR thresholds for the 500-Hz BC tones are significantly lower than their thresholds to 2000-Hz BC tones. Infant wave V latencies to 500-Hz BC tones are significantly shorter than those of adults, whereas infant and adult responses to 2000-Hz BC tones are similar in latency, suggesting that the effective intensity of the BC tones may be 9-17 dB greater for infants than for adults. A marked asymmetry between the ipsilaterally and contralaterally recorded wave V is seen for infant responses to 500- and 2000-Hz tones at all intensities; this asymmetry is not as evident in adults, except near threshold.

Original languageEnglish (US)
Pages (from-to)95-109
Number of pages15
JournalInternational Journal of Audiology
Volume32
Issue number2
DOIs
StatePublished - Jan 1 1993

Keywords

  • Adults
  • Auditory brainstem response
  • Bone-conducted tones
  • Infants
  • Ipsilateral/contralateral asymmetry

ASJC Scopus subject areas

  • Language and Linguistics
  • Linguistics and Language
  • Speech and Hearing

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