High-frequency Toneburst-evoked ABR Latency-intensity Functions in Sensorineural Hearing-impaired Humans

Stephen A. Fausti, David S. Phillips, Deanna J. Olson, Richard H. Frey, James A. Henry, Heidi I. Schaffer

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Fausti SA, Olson DJ, Frcy RH, Henry JA, Schaffer HI, Phillips DS. High-frequency toneburst-evoked ABR latency-intensity functions in sensorineural hearing-impaired humans. Scand Audiol 1995;24:19-25. The latency-intensity functions (LIFs) of ABRs elicited by high-frequency (8, 10, 12, and 14 kHz) loneburst stimuli were evaluated in 20 subjects with confirmed ‘moderate’ high-frequency sensorineural hearing loss. Wave V results from clicks and tortebursts revealed all intra- and intersession data to be reliable (p > 0.05). Linear regression curves were highly significant (p<0.0001), indicating linear relationships for all stimuli analyzed. Comparisons between the linear regression curves from a previously reported normal-hearing subject group and this sensorineural hearing-impaired group showed no significant differences. This study demonstrated that tonebursts at 8, 10, and 12 kHz evoked ABRs which decreased in latency as a function of increasing intensity and that these LIFs were consistent and orderly (14 kHz was not determinable). These results will contribute information to facilitate the establishment of change criteria used to predict change in hearing during treatment with ototoxic medications.

Original languageEnglish (US)
Pages (from-to)19-25
Number of pages7
JournalScandinavian Audiology
Volume24
Issue number1
DOIs
StatePublished - Jan 1 1995

Keywords

  • Address for offprints
  • Auditory brainstem response (ABR)
  • Stephen A Fausti
  • high-frequency
  • latency-intensity
  • ototoxicity
  • sensorineural
  • toneburst

ASJC Scopus subject areas

  • Otorhinolaryngology

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