Fronto-temporal interactions in the theta-band during auditory deviant processing

被引：27

作者：

Choi, Jeong Woo ^{[1
]}

Lee, Jong Ku ^{[1
]}

Ko, Deokwon ^{[2
]}

Lee, Gwan-Taek ^{[2
]}

Jung, Ki-Young ^{[2
]}

Kim, Kyung Hwan ^{[1
]}

机构：

[1] Yonsei Univ, Dept Biomed Engn, Coll Hlth Sci, Wonju 220710, Gangwon Do, South Korea

[2] Korea Univ, Coll Med, Med Ctr, Dept Neurol, Seoul 136705, South Korea

来源：

NEUROSCIENCE LETTERS | 2013年 / 548卷

基金：

新加坡国家研究基金会;

关键词：

Mismatch negativity (MMN); Fronto-temporal interactions; Phase synchrony (PS); Granger causality (GC); Event-related potential (ERP); MISMATCH NEGATIVITY; PHASE SYNCHRONIZATION; DISCRIMINATION; OSCILLATION; ATTENTION; NETWORKS; TOOLBOX;

D O I：

10.1016/j.neulet.2013.05.079

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Mismatch negativity (MMN) is a negative component of event-related potential (ERP) that reflects auditory deviant detection. Previous studies repeatedly suggested that MMN is generated by the fronto-temporal network However, it is still unclear how the frontal and temporal areas interact. To verify this, we observed the spatiotemporal pattern of inter-regional functional connectivity using phase synchrony and Granger causality, by analyzing event-related electroencephalograms (EEGs) elicited by standard and deviant tones in an oddball paradigm. Strong theta-band phase synchrony and bidirectional Granger causality were observed between the frontal and temporal areas during the processing of auditory deviants, especially at the temporal interval of MMN. Our results support the hypothesis that fronto-temporal interactions are crucial to the generation of MMN during auditory deviant processing. (C) 2013 Elsevier Ireland Ltd. All rights reserved.

引用

页码：120 / 125

页数：6

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