Auditory brain stem responses to high-frequency tone bursts in normal-hearing subjects

Michael P. Gorga, Jan R. Kaminski, Kathryn A. Beauchaine

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

ABR and behavioral thresholds and ABR latencies were measured from six normal-hearing subjects in response to tone bursts, having frequencies of 9, 000 to 16, 000 Hz. In general, ABR thresholds were higher than behavioral thresholds; however, the differences were typically less than those observed for lower frequencies. Wave V latency-intensity functions were less dependent on frequency for these stimuli than they were for lower frequency stimuli. This may be due to the fact that higher frequencies are represented over a very narrow area o! the cochlea and that minor variability in the measurement of latencies might obscure small differences in latency as a function of frequency. In general, these data suggest that ABRs can be measured in response to high-frequency stimuli and that these measurements may have clinical utility, especially when monitoring ototoxic effects in difficult-to-test patients.

Original languageEnglish (US)
Pages (from-to)222-226
Number of pages5
JournalEar and hearing
Volume8
Issue number4
DOIs
StatePublished - Aug 1987

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing

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