Training to use voice onset time as a cue to talker identiWcation induces a left-ear/right-hemisphere processing advantage  

Oleh:

Francis, Alexander L. ; Driscoll, Courtney

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 98 no. 3 (2006), page 310-318.
Topik: Hemispheric asymmetry; Talker identification; Voice onset time; VOT; Functional lateralization
Fulltext: 98_03_Francis.pdf (236.34KB)

Isi artikel

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 (nD8) 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/righthemisphere 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.

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