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Proc Natl Acad Sci U S A:扩展高频听力能够增强噪音中言语的感知

2019-11-21 AlexYang MedSci原创

年轻健康的成年人能够最多听到20kHz的声音。然而,听力损失诊断的方法-临床听力测试最多只能测到8kHz。有证据表明更高频率时(EHFs;8到20kHz)具有显著的信息,且能够影响语言清晰度,而是否该信息用于具有挑战性的条件仍旧未知。在噪音条件下对言语理解困难是最常见的听力问题,通常是年龄相关听力损失的征兆。最近,有研究人员在Digits-in-noise(DIN)测试中使用标准和EHF听力测定、

年轻健康的成年人能够最多听到20kHz的声音。然而,听力损失诊断的方法-临床听力测试最多只能测到8kHz。有证据表明更高频率时(EHFs;8到20kHz)具有显著的信息,且能够影响语言清晰度,而是否该信息用于具有挑战性的条件仍旧未知。

在噪音条件下对言语理解困难是最常见的听力问题,通常是年龄相关听力损失的征兆。最近,有研究人员在Digits-in-noise(DIN)测试中使用标准和EHF听力测定、自我报告和连续更高截止频率滤波器(2到8kHz)调查了更高频率下噪音中语音感知的贡献因子。研究人员发现了3个惊奇的结果,首先,116名正常听力中的74名,即大多数更年轻的成年人在大于8kHz时具有某种程度听力损失。早期的EHF听力损失可能较容易测量,从而进行预防警告来保护听力。其次,EHF听力损失与自我报告的噪音中听力困难相关。最后,尽管使用最宽滤波噪声(≤8kHz),DIN听力阈值仍旧明显比其他方法更好(P<0.0001)。因此,高于8kHz的声音能量对噪音中言语感知是有贡献的。具有正常听力的人们频繁报告在挑战性环境下具有听力困难。

最后,研究人员指出,他们的结果表明了噪音中听力困难的其中一个贡献因子是EHF听力损失。

原始出处:

Motlagh Zadeh L, Silbert NH, Sternasty K et al. Extended high-frequency hearing enhances speech perception in noise. Proc Natl Acad Sci U S A. 19 Nov 2019

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    2020-10-23 liye789132251
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    2020-07-18 lishizhe
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    2020-09-01 qidongfanjian
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    2019-11-23 ysjykql
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    2019-11-23 sunylz
  6. [GetPortalCommentsPageByObjectIdResponse(id=1884001, encodeId=387f188400120, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Fri Oct 23 00:27:00 CST 2020, time=2020-10-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1651953, encodeId=9e5e165195319, content=<a href='/topic/show?id=3a3e1e9504' target=_blank style='color:#2F92EE;'>#ACA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1795, encryptionId=3a3e1e9504, topicName=ACA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=843c24278901, createdName=lishizhe, createdTime=Sat Jul 18 07:27:00 CST 2020, time=2020-07-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1950250, encodeId=65bb1950250fc, content=<a href='/topic/show?id=f3b329482a' target=_blank style='color:#2F92EE;'>#ATL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2948, encryptionId=f3b329482a, topicName=ATL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b09892, createdName=qidongfanjian, createdTime=Tue Sep 01 05:27:00 CST 2020, time=2020-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1306449, encodeId=410d13064490e, content=<a href='/topic/show?id=aeb639230b7' target=_blank style='color:#2F92EE;'>#听力#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=39230, encryptionId=aeb639230b7, topicName=听力)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=96d4340, createdName=ysjykql, createdTime=Sat Nov 23 04:27:00 CST 2019, time=2019-11-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1602215, encodeId=2b501602215ad, content=<a href='/topic/show?id=2f801469e57' target=_blank style='color:#2F92EE;'>#PRO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14697, encryptionId=2f801469e57, topicName=PRO)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a60b18898917, createdName=sunylz, createdTime=Sat Nov 23 04:27:00 CST 2019, time=2019-11-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1977014, encodeId=904419e701483, content=<a href='/topic/show?id=b9f11560065' target=_blank style='color:#2F92EE;'>#ROC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15600, encryptionId=b9f11560065, topicName=ROC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d590125, createdName=linlin2312, createdTime=Sun Feb 02 16:27:00 CST 2020, time=2020-02-02, status=1, ipAttribution=)]
    2020-02-02 linlin2312

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