CAJ | 학술논문

目的：探讨言语诱发听性脑干反应(speech evoked auditory brainstem response，s-ABR)的影响因素，揭示s-ABR更多的电生理特性。方法将24名健康成人（24耳）的s-ABR采用两种刺激率（11.1次/s、20.0次/s）和两种刺激强度（80dB SPL、60dB SPL）进行2×2×6析因实验，分析s-ABR波形评分值、各主波潜伏期及幅值。结果s-ABR波形评分值差异无统计意义(p>0.05)；各主波潜伏期的刺激率差异无统计学意义；各幅值（除外Ⅴ波）的刺激率差异亦无统计学意义；大部分主波潜伏期（除外A波、F波及O波）的强度差异有统计学意义(p<0.05)，大部分主波幅值（除外Ⅴ波和O波）的强度差异则无统计学意义；波形量化评分、各主波潜伏期和幅值均无刺激率和刺激强度的交互效应（p>0.05）。结论s-ABR测试的刺激率和刺激强度在一定范围内没有相互影响，测试中可根据需要选择刺激率和刺激强度。
목적：탐토언어유발은성뇌간반응(speech evoked auditory brainstem response，s-ABR)적영향인소，게시s-ABR경다적전생리특성。방법장24명건강성인（24이）적s-ABR채용량충자격솔（11.1차/s、20.0차/s）화량충자격강도（80dB SPL、60dB SPL）진행2×2×6석인실험，분석s-ABR파형평분치、각주파잠복기급폭치。결과s-ABR파형평분치차이무통계의의(p>0.05)；각주파잠복기적자격솔차이무통계학의의；각폭치（제외Ⅴ파）적자격솔차이역무통계학의의；대부분주파잠복기（제외A파、F파급O파）적강도차이유통계학의의(p<0.05)，대부분주파폭치（제외Ⅴ파화O파）적강도차이칙무통계학의의；파형양화평분、각주파잠복기화폭치균무자격솔화자격강도적교호효응（p>0.05）。결론s-ABR측시적자격솔화자격강도재일정범위내몰유상호영향，측시중가근거수요선택자격솔화자격강도。
Objective To study variables affecting speech evoked auditory brainstem response (s-ABR) and report its electrophysiological characteristics. Methods Effects of stimulus rates (11.1/s and 20.0/s) and stimulus intensities (80 dB SPL and 60 dB SPL) on s-ABRs were studied in 24 healthy adults (24 ears), using a 2 × 2 × 6 factorial experimental design. s-ABR waveform scores, latencies and amplitudes of the feature peaks were analyzed. Results Stimulus rate had no effects on waveform scores of all s-ABRs and latencies of feature peaks (p>0.05), or amplitudes (except for peak V). Stimulus inten?sity seemed to affect latencies of feature peaks (except for peak A, F and O) (p<0.05), but not amplitudes of feature peaks (ex?cept for peak V and O). Different stimulus rate and intensity combinations had little effects on s-ABR waveform scores, laten?cies or amplitudes of feature peaks. Conclusion The characteristics of s-ABR are maintained across a range of stimulus rates and intensities, and not affected by different combinations of stimulus rate and intensity. A relatively wide range of stimulus intensities and rates can be selected based on needs in s-ABR testing.