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Journal of Speech, Language, and Hearing Research Vol.45 1249-1261 December 2002. doi:10.1044/1092-4388(2002/100)
© American Speech-Language-Hearing Association
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Presbyacusis and the Auditory Brainstem Response

Flint A. Boettcher 1
1 Department of Otolaryngology—Head and Neck Surgery Medical University of South Carolina Charleston

boettcfa{at}musc.edu

Age-related hearing loss (ARHL or presbyacusis) is an increasingly common form of sensorineural hearing loss (SNHL) as a result of changing demographics, and the auditory brainstem response (ABR) is a common experimental and clinical tool in audiology and neurology. Some of the changes that occur in the aging auditory system may significantly influence the interpretation of the ABR in comparison to the ABRs of younger adults. The approach of this review will be to integrate physiological and histopathological data from human and animal studies to provide a better understanding of the array of age-related changes in the ABR and to determine how age-related changes in the auditory system may influence how the ABR should be interpreted in presbyacusis. Data will be described in terms of thresholds, latencies, and amplitudes, as well as more complex auditory functions such as masking and temporal processing. Included in the review of data will be an attempt to differentiate between age-related effects that may strictly be due to threshold elevation from those that may be due to the aging process.

KEY WORDS: presbyacusis, aging, age-related hearing loss, auditory brainstem response, evoked potentials (auditory)

Submitted on June 25, 2001
Accepted on February 27, 2002


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