Auditory brainstem responses to tone bursts in normally hearing subjects

Michael P Gorga, J. R. Kaminski, K. A. Beauchaine, Walt Jesteadt

Research output: Contribution to journalArticle

175 Citations (Scopus)

Abstract

Auditory brainstem responses were recorded from 20 normally hearing subjects using tone-burst stimuli that were gated with cosine-squared functions. Clear responses were observed over a wide range of frequencies and levels. These responses were highly reproducible within individual subjects and were reliably measured by two independent examiners. ABR thresholds were higher than behavioral thresholds for all frequencies, especially for lower frequencies. Intersubject variability also was greater for lower frequencies. Wave-V latencies decreased with increases in both frequency and level for frequencies from 250 to 8000 Hz and for levels from 20 to 100 dB SPL. The standard deviations seldom exceeded 10% of the mean wave-V latency for any combination of level and frequency. These latencies can be viewed as the sum of both a peripheral and a central component. Assuming that the central component is relatively independent of both frequency and level, changes of wave-V latency must be related to peripheral factors, such as travel time along the cochlear partition, and to stimulus characteristics, such as rise time.

Original languageEnglish (US)
Pages (from-to)87-97
Number of pages11
JournalJournal of Speech and Hearing Research
Volume31
Issue number1
StatePublished - Jan 1 1988

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Brain Stem Auditory Evoked Potentials
Hearing
stimulus
Cochlea
examiner
travel
time
Latency

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Auditory brainstem responses to tone bursts in normally hearing subjects. / Gorga, Michael P; Kaminski, J. R.; Beauchaine, K. A.; Jesteadt, Walt.

In: Journal of Speech and Hearing Research, Vol. 31, No. 1, 01.01.1988, p. 87-97.

Research output: Contribution to journalArticle

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