在爆炸暴露的退伍军人中,语音理解和扩展的高频听觉敏感性 (sa)
Tess K Koerner1, Frederick J Gallun1
1Department of Veterans Affairs (VA) Rehabilitation Research and Development (RR & D), National Center for Rehabilitative Auditory Research (NCRAR), VA Portland Health Care System, Portland, Oregon 97239, USA.
The Journal of the Acoustical Society of America
|July 18, 2023
概括
爆炸暴露会影响退伍军人的语音理解,但延长的高频听力并不能解释这些缺陷. 需要进一步的研究来了解爆炸暴露后的听力困难.
科学领域:
- 听力学 听力学是指听力学.
- 神经科学是一个神经科学.
- 军事医学 军事医学
背景情况:
- 暴露于爆炸的退伍军人的听力障碍通常归因于中枢神经系统处理缺陷.
- 之前的研究集中在标准的听力测量范围,忽视了对扩展高频 (EHF) 听力的潜在影响.
- 超高频听力变化可能会影响噪音中的语音理解,即使在正常听力值的个体中也是如此.
研究的目的:
- 研究爆炸暴露对退伍军人语音理解和EHF听觉敏感性的影响.
- 为了确定是否EHF听力变化有助于正常听力爆炸暴露退伍军人的语音理解困难.
主要方法:
- 研究包括41名暴露于爆炸的退伍军人和31名听力正常的对照.
- 评估了常见的临床语音理解措施和EHF听觉灵敏度 (> 8 kHz).
主要成果:
- 爆炸暴露显著影响了几个语音理解指标.
- 两组之间没有发现EHF听力值的统计学上显著差异.
- 超声波听觉敏感度的变化没有考虑到语音理解中的群体差异.
结论:
- 爆炸暴露会影响退伍军人的语音理解,独立于EHF听觉敏感度.
- 研究的局限性需要谨慎地解释有关EHF听力作用的研究结果.
- 需要进一步的研究,以充分阐明爆炸暴露个体听力缺陷背后的机制.
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