耳与脑的联系：衰老的耳朵与衰老的大脑。
The Ear-Brain Connection: Older Ears and Older Brains.
作者信息
Tremblay Kelly L
出版信息
Am J Audiol. 2015 Jun;24(2):117-20. doi: 10.1044/2015_AJA-14-0068.
PURPOSE
The purpose of this article is to review recent research from our laboratory on the topic of aging, and the ear-brain system, as it relates to hearing aid use and auditory rehabilitation. The material described here was presented as part of the forum on the brain and hearing aids, at the 2014 HEaling Across the Lifespan (HEAL) conference.
METHOD
The method involves a narrative review of previously reported electroencephalography (EEG) and magnetoencephalography (MEG) data from our laboratory as they relate to the (a) neural detection of amplified sound and (b) ability to learn new sound contrasts.
CONCLUSIONS
Results from our studies add to the mounting evidence that there are central effects of biological aging as well as peripheral pathology that affect a person's neural detection and use of sound. What is more, these biological effects can be seen as early as middle age. The accruing evidence has implications for hearing aid use because effective communication relies not only on sufficient detection of sound but also on the individual's ability to learn to make use of these sounds in ever-changing listening environments.
目的
本文旨在回顾我们实验室近期关于衰老以及耳脑系统的研究，该研究与助听器使用和听觉康复相关。此处所描述的材料是在2014年“跨越生命周期的康复”（HEAL）会议上作为脑与助听器论坛的一部分展示的。
方法
该方法包括对我们实验室先前报告的脑电图（EEG）和脑磁图（MEG）数据进行叙述性回顾，这些数据与（a）放大声音的神经检测以及（b）学习新声音对比的能力有关。
结论
我们研究的结果进一步证明，生物衰老以及外周病理学存在中枢效应，会影响个体对声音的神经检测和利用。此外，这些生物效应早在中年时就可见到。这些不断积累的证据对助听器的使用具有启示意义，因为有效的交流不仅依赖于对声音的充分检测，还依赖于个体在不断变化的聆听环境中学习利用这些声音的能力。
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