Effects of orthographic consistency and homophone density on Chinese spoken word recognition

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题名:	Effects of orthographic consistency and homophone density on Chinese spoken word recognition
作者:	徐峻賢;Chen, Wei-Fan;Chao, Pei-Chun;Chang, Ya-Ning;Hsu, Chun-Hsien;Lee, Chia-Ying
贡献者:	生醫理工學院認知神經科學研究所
关键词:	Adolescent;Adult;Asian Continental Ancestry Group - psychology;Cerebral Cortex - physiology;China;Comprehension - physiology;ERPs;Evoked Potentials;Female;Homophone density;Humans;Male;Orthographic consistency;Phonetics;Semantics;sLORETA;Speech;Speech Perception - physiology;Spoken word recognition;Young Adult
日期:	2016-06-01
上传时间:	2026-04-23 14:25:26 (UTC+8)
出版者:	Academic Press Inc.;Netherlands: Elsevier Inc
摘要:	摘要： •We differentiate two types of Chinese P-to-O mapping consistencies: homophone density and orthographic consistency.•The ERPs and sLORETA results reveal when and how the P-to-O mapping consistencies affect Chinese spoken word recognition.•Our findings help to resolve debates between phonological restructuring and orthographic co-activation views. Studies of alphabetic language have shown that orthographic knowledge influences phonological processing during spoken word recognition. This study utilized the Event-Related Potentials (ERPs) to differentiate two types of phonology-to-orthography (P-to-O) mapping consistencies in Chinese, namely homophone density and orthographic consistency. The ERP data revealed an orthographic consistency effect in the frontal-centrally distributed N400, and a homophone density effect in central-posteriorly distributed late positive component (LPC). Further source analyses using the standardized low-resolution electromagnetic tomography (sLORETA) demonstrated that the orthographic effect was not only localized in the frontal and temporal-parietal regions for phonological processing, but also in the posterior visual cortex for orthographic processing, while the homophone density effect was found in middle temporal gyrus for lexical-semantic selection, and in the temporal-occipital junction for orthographic processing. These results suggest that orthographic information not only shapes the nature of phonological representations, but may also be activated during on-line spoken word recognition. 其他題名： Brain Lang 出版者： Netherlands: Elsevier Inc 出版日期： 2016-06 出處： Brain and language, 2016-06, Vol.157-158, p.51-62 版權： 2016 Elsevier Inc. 版權： Copyright © 2016 Elsevier Inc. All rights reserved. 識別號： ISSN: 0093-934X 識別號： ISSN: 1090-2155 識別號： EISSN: 1090-2155 識別號： DOI: 10.1016/j.bandl.2016.04.005 識別號： PMID: 27174851
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