Genç yetişkin bireylerde CE-Chirp işitsel uyarılmış beyinsapı cevabının uyaran şiddet seviyesine göre incelenmesi

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Analyses of CE-chirp auditory evoked brainstem response by stimulus intensity level in young adultsThe present study aimed to determine the absolute latencies of Auditory Brainstem Responses (ABRs) obtained by CE-Chirp stimulus in young adults, varying according to different stimulus intensity levels, and to create a clinical normative data.Thirty-four participants aged 18-30 without hearing loss were included.Auditory brainstem responses audiometry with CE-Chirp stimulus was applied to participants who met the inclusion criteria after routine audiological evaluation.Normative data for I, III and V wave absolute latencies and interwave latencies at 70 dBnHL level were obtained.Also, we measured the absolute latencies for I, III and V. at 50, 30 and 10 dBnHL stimulus levels.It has been determined that as the stimulus intensity level decreases, some waves disappear, and the absolute latencies of all obtained waves get prolonged.We prepared the intensity-latency graphs at different stimulus intensity levels to use as a clinical normative data.The CE-Chirp stimulus has an important value in ABR practice as it allows to shorten the test time and to obtain a significant V wave at the threshold level.