Effects of location, frequency region, and time course of selective attention on auditory scene analysis

被引:203
作者
Cusack, R [1 ]
Deeks, J [1 ]
Aikman, G [1 ]
Carlyon, RP [1 ]
机构
[1] MRC, Cognit & Brain Sci Unit, Cambridge CB2 2EF, England
关键词
D O I
10.1037/0096-1523.30.4.643
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Often, the sound arriving at the ears is a mixture from many different sources, but only I is of interest. To assist with selection, the auditory system structures the incoming input into streams, each of which ideally corresponds to a single source. Some authors have argued that this process of streaming is automatic and invariant, but recent evidence suggests it is affected by attention. In Experiments I and 2, it is shown that the effect of attention is not a general suppression of streaming on an unattended side of the ascending auditory pathway or in unattended frequency regions. Experiments 3 and 4 investigate the effect on streaming of physical gaps in the sequence and of brief switches in attention away from a sequence. The results demonstrate that after even short gaps or brief switches in attention, streaming is reset. The implications are discussed, and a hierarchical decomposition model is proposed.
引用
收藏
页码:643 / 656
页数:14
相关论文
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