混响环境下听觉的全新视角。

A novel view of hearing in reverberation.

作者信息

Takahashi Terry

机构信息

Institute of Neuroscience, University of Oregon, Eugene, OR 97403, USA.

出版信息

Neuron. 2009 Apr 16;62(1):6-7. doi: 10.1016/j.neuron.2009.04.004.

DOI:10.1016/j.neuron.2009.04.004

PMID:19376061

Abstract

In nature, sounds of interest arrive at the eardrums accompanied by echoes that reflect off of surfaces. This superposition can distort the cues by which we localize the source of a sound. Yet, we seem to have no difficulty turning precisely toward the source even in the presence of moderately intense echoes. The article by Devore and colleagues in this issue of Neuron suggests that the auditory system can perform this feat by being more responsive to the early portion of a sound which includes the earliest portions when the echoes have yet to arrive.

摘要

在自然界中，我们感兴趣的声音到达耳膜时会伴随着从表面反射回来的回声。这种叠加会扭曲我们用于定位声源的线索。然而，即使在存在适度强烈回声的情况下，我们似乎也能毫无困难地精确转向声源。德沃尔及其同事在本期《神经元》杂志上发表的文章表明，听觉系统可以通过对声音的早期部分（包括回声尚未到达时的最早部分）做出更强的反应来完成这一壮举。