Relative influence of musical and linguistic experience on early cortical processing of pitch contours  

Oleh:

Chandrasekaran, Bharath ; Krishnan, Ananthanarayan ; Gandour, Jackson T.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 108 no. 1 (2009), page 1-9.
Topik: Experience-dependent plasticity; Mismatch negativity (MMN); Music; Language; Nonspeech stimuli; Iterated rippled noise (IRN); Pitch; Lexical tone; Mandarin; Speech perception
Fulltext: 108_01_Chandrasekaran.pdf (313.17KB)

Isi artikel

To assess domain specificity of experience-dependent pitch representation we evaluated the mismatch negativity (MMN) and discrimination judgments of English musicians, English nonmusicians, and native Chinese for pitch contours presented in a nonspeech context using a passive oddball paradigm. Stimuli consisted of homologues of Mandarin high rising (T2) and high level (T1) tones, and a linear rising ramp (T2L). One condition involved a between-category contrast (T1/T2), the other, a within-category contrast (T2L/T2). Irrespective of condition, musicians and Chinese showed larger MMN responses than nonmusicians; Chinese larger than musicians. Chinese, however, were less accurate than nonnatives in overt discrimination of T2L and T2. Taken together, these findings suggest that experience- dependent effects to pitch contours are domain-general and not driven by linguistic categories. Yet specific differences in long-term experience in pitch processing between domains (music vs. language) may lead to gradations in cortical plasticity to pitch contours.

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