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Advances in Psychological Science    2020, Vol. 28 Issue (5) : 778-789     DOI: 10.3724/SP.J.1042.2020.00778
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Language lateralization, handedness and functional connectivity
WANG Xiao,WU Guorong(),WU Xinran,QIU Jiang,CHEN Hong
Faculty of Psychology, Southwest University, Key Laboratory of Cognition and Personality, Ministry of Education, Chongqing 400715, China
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Language lateralization is one of the most obvious characteristics of brain functional lateralization. Previous neuroimaging studies identified numerous brain regions associated with language lateralization, such as the frontal and temporal lobes, the cingulate and fusiform gyrus, the supplementary motor area, and so on.This review synthesizes current published literature relevant to language lateralization, with an emphasis on handedness and functional connectivity. Our findings show that language lateralization is positively correlated with handedness and intra-hemisphere connectivity but is negatively correlated with inter-hemispheric connectivity. Moreover, the left- and right-handers exhibit different correlation profiles between language lateralization and functional connectivity. We discuss the relationship between language lateralization, handedness, and functional connectivity, and we propose areas for further research.

Keywords language lateralization      handedness      resting state functional connectivity     
ZTFLH:  B842  
Issue Date: 27 March 2020
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WU Guorong
WU Xinran
QIU Jiang
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WANG Xiao,WU Guorong,WU Xinran, et al. Language lateralization, handedness and functional connectivity[J]. Advances in Psychological Science, 2020, 28(5): 778-789.
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研究文献 LH/N r p 实验任务
Kondyli et al. (2017) 30/60 0.095 >0.05 无声词汇产生任务
0.643 <0.01 书面词汇产生任务
Haberling & Corballis (2016) 46/92 0.316 <0.01 词汇产生任务
0.267 >0.05 同义词任务
Somers et al. (2015) 154/310 0.285 <0.001 词汇产生任务
Groen et al. (2013) 12/57 0.29 <0.05 语音产生任务
Badzakova-Trajkov et al. (2010) 48/155 0.357 0.001 词汇产生任务
Szaflarski et al. (2002) 20/50 0.28 0.046 语义决定任务
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