The influence of exercise-induced temperature elevations on the auditory brain-stem response (ABR)

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Abstract
The influence of exercise-induced temperature elevations on the auditory brain-stem response (ABR) The influence of exercise on the auditory brain-stem response (ABR) was examined in 16 healthy volunteers (8 female and 8 male). Ipsilateral ABR recordings were obtained before and after exercise on a bicycle ergonometer. The rise of body temperature so generated was 0.5-2. PC (mean, 1.3oC) as measured in the contralateral external auditory meatus. Latencies of waves III and V (but not wave I) were found to be significantly lower immediately post-exercise (P P < 0.01). The temperature relations of the latency of wave V are described by the regression equation: Latency (ms) = 11.06–0.146 × temp. (oC). (The effects on amplitude were not significant, nor were male/female differences.) It is suggested that exercise hyperthermia could be an appropriate model for the evaluation of the ABR in fever.