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听力损失分哪几类如何确定
更新时间: 2020-09-18 00:00:00  

1、传导性听力下降损失:骨导正常,气导不在正常范围;

2、混合性听力下降损失:骨导在某些频率上超出20DB正常范围,有气导、骨导感音;

3、神经性听力下降损失:气导和骨导都下降,且阈值相同,无传导因素存在;

4、中枢性听力下降损失:大脑对声音和言语不能进行正确处理、识别或理解;

5、非器质性听力下降损失:由于某些心理因素造成,常被叫做功能性听力下降。

关键词: 听力 损失 如何 确定

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