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政大機構典藏 > 研究中心 > 心智‧大腦與學習研究中心 > 期刊論文 > Item 140.119/112098

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Title:	Effects of orthographic consistency and homophone density on Chinese spoken word recognition
Authors:	李佳穎 Chen, Wei-Fan Chao, Pei-Chun Chang, Ya-Ning Hsu, Chun-Hsien Lee, Chia-Ying
Contributors:	心智、大腦與學習研究中心
Keywords:	event related potential;human;human experiment;low resolution brain electromagnetic tomography;middle temporal gyrus;phonetics;visual cortex;word recognition
Date:	2016-06
Issue Date:	2017-08-23 10:41:37 (UTC+8)
Abstract:	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.
Relation:	Brain and Language, 157-158, 51-62
Data Type:	article
DOI 連結:	http://dx.doi.org/10.1016/j.bandl.2016.04.005
DOI:	10.1016/j.bandl.2016.04.005
Appears in Collections:	[心智‧大腦與學習研究中心 ] 期刊論文

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