Auditory brainstem responses from children three months of three years of age: Normal patterns of response II

M. P. Gorga, J. R. Kaminski, K. L. Beauchaine, W. Jesteadt, S. T. Neely

Research output: Contribution to journalArticle

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Abstract

Auditory brainstem responses (ABR) were measured in 535 children from 3 months to 3 years of age. The latencies reported in this paper should be unaffected by peripheral hearing loss because each child had bilateral wave V responses at 20 dB, HL(n). Wave V latencies decreased as age increased, at least to 18 months of age, while little or no change was noted in wave I latencies over the same age range. Thus, interpeak latency differences followed the same developmental time course as wave V. The shapes of wave V latency-level functions were comparable across age groups. These results suggest that changes in wave V latency with age are due to central (neural) factors and that age-appropriate norms should be used in evaluations of ABR latencies in children. Interaural differences in absolute wave V latencies and interpeak latency differences were similar to those observed in infants and adults, indicating that responses symmetry is independent of age. Statistical analyses suggested that the distribution of absolute and relative latency measurements are normal, making it possible to describe norms in terms of means and standard deviations. A simple model is described that accounts accurately for changes in mean wave V latencies as function of age from preterm through the first three years of life.

Original languageEnglish (US)
Pages (from-to)281-288
Number of pages8
JournalJournal of Speech and Hearing Research
Volume32
Issue number2
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • Otorhinolaryngology

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