Training to use voice onset time as a cue to talker identification induces a left-ear/right-hemi sphere processing advantage

被引:13
|
作者
Francis, Alexander L. [1 ]
Driscoll, Courtney [1 ]
机构
[1] Purdue Univ, Dept Speech Language & Hearing Sci, W Lafayette, IN 47907 USA
关键词
hemispheric asymmetry; talker identification; voice onset time; VOT; functional lateralization;
D O I
10.1016/j.bandl.2006.06.002
中图分类号
R36 [病理学]; R76 [耳鼻咽喉科学];
学科分类号
100104 ; 100213 ;
摘要
We examined the effect of perceptual training on a well-established hemispheric asymmetry in speech processing. Eighteen listeners were trained to use a within-category difference in voice onset time (VOT) to cue talker identity. Successful learners (n = 8) showed faster response times for stimuli presented only to the left ear than for those presented only to the right. The development of a left-ear/right-hemisphere advantage for processing a prototypically phonetic cue supports a model of speech perception in which lateralization is driven by functional demands (talker identification vs. phonetic categorization) rather than by acoustic stimulus properties alone. (c) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码:310 / 318
页数:9
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