基于短声和扫频音的听觉脑干诱发电位比较研究
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深圳市基础研究学科布局项目(JCYJ20180507182241622);广州市科技计划项目(201803010093);国家自然科学基金项目 (61771462)

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A Comparison Study on Auditory Brainstem Responses Induced by Click and Swept-Tone
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    摘要:

    听觉脑干诱发电位检测(Auditory Brainstem Response,ABR)是一种客观检测听力损失的常用方 法。短声作为一种宽频信号,其诱发的 ABR 通常被认为是 ABR 检测的金标准。但由于人体耳蜗基底 膜行波具有延迟特性,短声不能同时刺激整个耳蜗基底膜产生兴奋,导致诱发的 ABR 波形因不同相而 产生衰减。为解决这一局限性,该研究设计了一种扫频音刺激,根据耳蜗基底膜的延迟特性重新调整 不同频率成分出现的时间,以诱发 ABR 信号。实验通过将所设计的扫频 ABR 方法和传统的短声 ABR 方法的波质量进行比较发现,在不同的刺激强度和刺激速率下,扫频 ABR 的波形形态均明显优于短声 ABR 的。此外,在不同的响应叠加次数下,所设计的扫频音比短声诱发 ABR 能更快地诱发出 ABR 波 形。该文所提出的扫频 ABR 方法有望提高 ABR 在听力损失诊断中的灵敏度。

    Abstract:

    The auditory brainstem response (ABR) is an objective method to detect hearing loss. Generally, the ABR induced by click is considered as the gold standard. However, the click-induced ABR is mainly used to assess high-frequency hearing due to the delayed characteristics of human cochlear basilar membrane. In order to compensate for the limitation of the ABR induced by click, a swept-tone stimulus that adjusts the occurrence time of different frequency components was proposed and used to evoke the ABR in this study. The swept-tone evoked ABR was compared with the click evoked ABR at different test levels and different stimulus rates. The experimental results show that the waveform morphology of the swept-tone ABR is better than that of the click ABR. In addition, the swept-tone ABR and the click ABR after different sweeps were also calculated under a different number of sweeps, and the results show that the swept-tone ABR could save recording time compared to the click ABR. These results suggest that the proposed swept-tone ABR could be more sensitive than the commonly used click ABR in the detection of hearing loss.

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引文格式
姜言冰,薛金伟,汪 鑫,等.基于短声和扫频音的听觉脑干诱发电位比较研究 [J].集成技术,2020,9(1):28-35

Citing format
JIANG Yanbing, XUE Jinwei, WANG Xin, et al. A Comparison Study on Auditory Brainstem Responses Induced by Click and Swept-Tone[J]. Journal of Integration Technology,2020,9(1):28-35

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  • 在线发布日期: 2020-01-17
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