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EARLY CORTICAL PROCESSING OF LINGUISTIC PITCH PATTERNS AS REVEALED BY THE MISMATCH NEGATIVITY
Ren, G. -Q.; Yang, Y.; Li, X.; Y. YANG
2009-08-04
Source PublicationNEUROSCIENCE
ISSN0306-4522
SubtypeArticle
Volume162Issue:1Pages:87-95
AbstractPrevious brain imaging studies have shown the left hemispheric dominance for processing of lexical tone in native speakers. However, the low temporal resolution related to neuroimaging techniques might not explicitly detect the brain activities that occur at a relatively small or a determined time frame. We used the mismatch negativity (MMN) and a source estimation technique (low-resolution electromagnetic tomography [LORETA]) to probe the brain activities underlying the early pre-attentive processing of Mandarin lexical tone and intonation. A passive oddball paradigm was applied to present tone and intonation contrast in a speech and nonspeech context. The results showed that no difference of the MMN amplitudes existed between speech and nonspeech conditions, although a larger MMN was found for tone than intonation condition. Source localization of the MMNs for all of the conditions showed the right hemispheric dominance, regardless of their linguistic functions (tone vs. intonation) or speech context (speech vs. nonspeech). Interestingly, the MMN generator for normal tone and hummed tone originated from the same cortical area (right parietal lobe, BA 19). These findings suggest that the pre-attentive cortical processing can be modulated not only by speech stimuli, but also by their nonspeech hums. Our data are compatible with the acoustic hypothesis of speech processing.; Previous brain imaging studies have shown the left hemispheric dominance for processing of lexical tone in native speakers. However, the low temporal resolution related to neuroimaging techniques might not explicitly detect the brain activities that occur at a relatively small or a determined time frame. We used the mismatch negativity (MMN) and a source estimation technique (low-resolution electromagnetic tomography [LORETA]) to probe the brain activities underlying the early pre-attentive processing of Mandarin lexical tone and intonation. A passive oddball paradigm was applied to present tone and intonation contrast in a speech and nonspeech context. The results showed that no difference of the MMN amplitudes existed between speech and nonspeech conditions, although a larger MMN was found for tone than intonation condition. Source localization of the MMNs for all of the conditions showed the right hemispheric dominance, regardless of their linguistic functions (tone vs. intonation) or speech context (speech vs. nonspeech). Interestingly, the MMN generator for normal tone and hummed tone originated from the same cortical area (right parietal lobe, BA 19). These findings suggest that the pre-attentive cortical processing can be modulated not only by speech stimuli, but also by their nonspeech hums. Our data are compatible with the acoustic hypothesis of speech processing. Crown Copyright (C) 2009 Published by Elsevier Ltd on behalf of IBRO. All rights reserved.
Keywordauditory pitch mandarin Chinese lexical tone intonation mismatch negativity
Subject Area心理语言学
Indexed BySCI
Language英语
WOS IDWOS:000267200300010
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/5345
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorY. YANG
AffiliationChinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Ren, G. -Q.,Yang, Y.,Li, X.,et al. EARLY CORTICAL PROCESSING OF LINGUISTIC PITCH PATTERNS AS REVEALED BY THE MISMATCH NEGATIVITY[J]. NEUROSCIENCE,2009,162(1):87-95.
APA Ren, G. -Q.,Yang, Y.,Li, X.,&Y. YANG.(2009).EARLY CORTICAL PROCESSING OF LINGUISTIC PITCH PATTERNS AS REVEALED BY THE MISMATCH NEGATIVITY.NEUROSCIENCE,162(1),87-95.
MLA Ren, G. -Q.,et al."EARLY CORTICAL PROCESSING OF LINGUISTIC PITCH PATTERNS AS REVEALED BY THE MISMATCH NEGATIVITY".NEUROSCIENCE 162.1(2009):87-95.
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