Journal
BRAIN RESEARCH
Volume 1455, Issue -, Pages 75-89Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.brainres.2012.03.034
Keywords
Pitch detection; Sentence prosody; Musical expertise; ERP; Jabberwocky
Categories
Funding
- Italian Ministry of Instruction, University and Research
- University of Padova
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Previous ERP studies have shown that musicians detect a pitch change in spoken sentences better than non-musicians in both native (French, Schon et al., 2004) and unfamiliar (Portuguese, Marques et al., 2007) language. The aim of the present study was to further investigate differences between musicians and non-musicians in processing pitch changes in spoken sentences. To study the effects of familiarity of intonational contour and of the presence of meaningful context, behavioral and electrophysiological data from Italian musicians and non-musicians were compared in a pitch incongruity detection task using sentences in the native (Italian) and foreign (French) language and in jabberwocky (meaningless sentences formed by pseudowords). Moreover, to examine whether these differences depend on enhanced auditory sensitivity to pitch, the frequency discrimination threshold (FDT) for tones was obtained using a psychophysical procedure. musicians were more accurate than non-musicians in detecting small pitch changes in all languages showing a smaller response bias, as well as much lower FDTs than non-musicians. The ERP data revealed shorter latencies of a late positivity over parietal sites in musicians than in non-musicians for weak and strong incongruities. Overall results confirmed musicians' advantage in detection of subtle pitch changes not only with tones but also with speech sentences in both native and unfamiliar languages. Such effect appears to emerge from more efficient pitch analysis trained by musical experience. (C) 2012 Elsevier B.V. All rights reserved.
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