Early MEG markers for reading Chinese phonograms: Evidence from radical combinability and consistency effects

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题名:	Early MEG markers for reading Chinese phonograms: Evidence from radical combinability and consistency effects
作者:	李佳穎;Hsu, Chun-Hsien;Lee, Chia-Ying;Tzeng, Ovid J.-L.
贡献者:	生醫理工學院認知神經科學研究所
关键词:	Anatomical correlates of behavior;Behavioral psychophysiology;Biological and medical sciences;Brain Mapping;Cerebral Cortex - physiology;China;Consistency;Fundamental and applied biological sciences. Psychology;Humans;Inferior parietal cortex;Insula cortex;Language;Magnetoencephalography;MEG;Orthographic neighbors;Parietal Lobe - physiology;Phonetics;Production and perception of written language;Psychology. Psychoanalysis. Psychiatry;Psychology. Psychophysiology;Reading;Temporal Lobe - physiology
日期:	2014-12-01
上传时间:	2026-04-23 14:23:21 (UTC+8)
出版者:	Academic Press Inc.;Amsterdam: Elsevier Inc
摘要:	摘要： •Orthographic neighbors affect early activities of cortical regions in reading.•Words with many neighbors elicited large activity in the right fusiform gyrus.•Words with few neighbors elicited large activity in the left anterior insular cortex.•Low consistency words elicited large activity in the left inferior parietal cortex. Studies using functional magnetic resonance imaging have indicated that activities in the left inferior frontal cortex and left temporoparietal regions are associated with orthographic neighborhood size. To elucidate the temporal dynamics of reading-related cortical activities, we manipulated two types of neighborhood properties for Chinese phonograms, phonetic combinability and consistency. By using source analysis techniques in combination with magnetoencephalography, the results demonstrated a combinability effect in the right fusiform gyrus at ∼170ms, which may reflect perceptual expertise in processing Chinese orthography. During 200ms to 250ms, the left anterior insula showed larger activity in reading small combinability characters than in reading large combinability characters, and the left inferior parietal cortex showed greater activity in reading low consistency characters than in reading high consistency characters. These results indicate that the left anterior insula cortex and left inferior parietal cortex may play important roles in the early stages of reading Chinese phonograms. 其他題名： Brain Lang 出版者： Amsterdam: Elsevier Inc 出版日期： 2014-12-01 出處： Brain and language, 2014-12, Vol.139, p.1-9 版權： 2014 Elsevier Inc. 版權： 2015 INIST-CNRS 版權： Copyright © 2014 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.2014.09.008 識別號： PMID: 25463812 識別號： CODEN: BRLGAZ
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