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Journal of the Korean Academy of Rehabilitation Medicine 1992;16(2):123-133.
Brainstem Auditory Evoked Potentials in Infants below 6 months of Age
Park, Eun Sook , Park, Chang Il , Shin, Jung Soon , Cho, Byung Kuk
Department of Rehabilitation Medicine, Yonsei University College of Medicine and Holt Childrens Service Pediatric Clinic*
정상 영아에서의 뇌간청각유발전위 검사에 대한 검토
박은숙, 박창일, 신정순, 조병국*
연세대학교 의과대학 재활의학교실, 홀트아동복지회 부속의원*
Abstract

A particularly important application of brainstem auditory evoked potential (BAEP) test is screening of hearing impairment in infants. For audiologic aspect of the test at least two intensities are usually employed at sensation level of 30 (or 40) dB and 60 (or 70 dB), In this study BAEP were recorded from scalp electrode in infants ranging from 2 weeks to 6 months of age at 30 and 70 dB intensities. The wave I, III, V are always recorded in all subjects. Wave V, evoked by 30 dB sensation level clicks, changed in latency from 7.32 msec at 1 month of age to 6. 73 msec at 6 month of age. And wave V, evoked by 70 dB sensation level clicks from 6.72 msec at 1 month of age to 6.05 msec of 6 month of age. Therefore we conclude that the mean latencies of various potential components decreased with increament of age and became significantly shorter at sensation level of 70 dB click stimulation than 30 dB click stimulation.

Key Words: Brainstem AEP, Age, Stimulus intensity


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