在正常听觉的年轻成年人中,经常暴露于大声的声音中,改变了对点击听觉脑干反应
Haruna Fujihira1, Rinako Higashi2, Shimpei Yamagishi3
1Department of Informatics, Faculty of Information Science and Electrical Engineering, Kyushu University, Fukuoka, Japan.
Trends in hearing
|February 16, 2026
概括
在年轻人中,频繁暴露于大声的声音可能会导致耳突触 (CS),即使听力正常. 双点击听觉脑干响应 (ABR) 测试可以检测这些微妙的噪音诱导的听觉变化.
科学领域:
- 听觉神经科学 听觉神经科学
- 听力学 听力学是指听力学.
- 职业健康 职业健康 职业健康
背景情况:
- 暴露于大声的声音对听力健康的担忧越来越大,特别是在年轻人中.
- 微妙的听觉系统变化,如耳突触 (CS),可能发生在可测量的听力损失之前.
- 早期发现噪音引起的听力损伤对于干预至关重要.
研究的目的:
- 为了研究听觉脑干反应 (ABRs) 的差异,使用配对点击范式,在有或没有频繁的高音暴露的年轻成年人中.
- 为了确定双点击ABR是否可以检测出因噪音暴露而导致的耳突触 (CS) 的亚临床听觉变化.
主要方法:
- 两组的比较:年轻的成年人经常接触大声 (n=23) 和对照组 (n=21).
- 评估声音暴露水平,听力值,扭曲产品的音声发射 (DPOAEs),单词可理解性和ABR单个和配对点击.
- 在双点击ABR中计算后波I响应 (RMSpost-w1) 的二次点击响应的根平均平方值.
主要成果:
- 暴露组的声音暴露水平明显更高.
- 尽管听力值和DPOAEs相似,但暴露组显示第二次点击响应的RMSpost-w1值明显较低.
- 两组之间在单词理解度上没有发现显著差异.
结论:
- 频繁暴露于大声的声音可能会导致外围听觉变化,与年轻成年人的耳突触病 (CS) 相一致.
- 配对点击刺激范式显示出作为检测噪音诱导的CS的敏感工具的潜力.
- 这表明一种方法可以在发生重大值转移之前识别早期噪音引起的听力损伤.
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