Nonpathological Considerations in the Determination of Brainstem Electric Response Activity
Abstract
The introduction of brainstem auditory evoked potentials has provided a relatively new technique for monitoring neural activity from the auditory nerve and brainstem nuclei. It is the purpose of this paper to present the effects of stimulus presentation rate and sex on brainstem response activity. Ten normal hearing adult subjects (five male and five female) received click stimuli presented at intensity levels of 70, 50, 30, and 20 normal hearing level (nHL) at presentation rates of 10.5, 33.5, and 80.5 per second. Significant Wave V latency differences were found between male and female subjects as well as between presentation rates. Results suggest the establishment of male, female normative latency data at known presentation rates prior to the accurate assessment of auditory sensitivity or neurological brainstem disorders.
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