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首页> 美国卫生研究院文献>Brain Sciences >The Differences in the Whole-Brain Functional Network between Cantonese-Mandarin Bilinguals and Mandarin Monolinguals
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The Differences in the Whole-Brain Functional Network between Cantonese-Mandarin Bilinguals and Mandarin Monolinguals

机译：粤语 - 普通话双语与单声道单格子与普通话之间的全脑功能网络的差异

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Cantonese-Mandarin bilinguals are logographic-logographic bilinguals that provide a unique population for bilingual studies. Whole brain functional connectivity analysis makes up for the deficiencies of previous bilingual studies on the seed-based approach and helps give a complete picture of the brain connectivity profiles of logographic-logographic bilinguals. The current study is to explore the effect of the long-term logographic-logographic bilingual experience on the functional connectivity of the whole-brain network. Thirty Cantonese-Mandarin bilingual and 30 Mandarin monolingual college students were recruited in the study. Resting state functional magnetic resonance imaging (rs-fMRI) was performed to investigate the whole-brain functional connectivity differences by network-based statistics (NBS), and the differences in network efficiency were investigated by graph theory between the two groups (false discovery rate corrected for multiple comparisons, q = 0.05). Compared with the Mandarin monolingual group, Cantonese-Mandarin bilinguals increased functional connectivity between the bilateral frontoparietal and temporal regions and decreased functional connectivity in the bilateral occipital cortex and between the right sensorimotor region and bilateral prefrontal cortex. No significant differences in network efficiency were found between the two groups. Compared with the Mandarin monolinguals, Cantonese-Mandarin bilinguals had no significant discrepancies in network efficiency. However, the Cantonese-Mandarin bilinguals developed a more strongly connected subnetwork related to language control, inhibition, phonological and semantic processing, and memory retrieval, whereas a weaker connected subnetwork related to visual and phonology processing, and speech production also developed.
机译：粤语 - 普通话双语是逻辑标识双语，为双语研究提供了独特的人群。整个脑功能连接分析弥补了先前的双语研究对基于种子的方法的缺陷，并有助于提供逻辑标识双语的脑连接型材的完整图像。目前的研究是探讨长期逻辑逻辑逻辑双语体验对全脑网络功能连通性的影响。在研究中招募了三十个粤语 - 普通话双语和30名普通话单梅林大学生。进行休息状态功能磁共振成像（RS-FMRI）以研究通过基于网络的统计（NBS）的全脑功能连接差异，并且通过两组之间的图形理论研究了网络效率的差异（虚假发现率纠正多个比较，Q = 0.05）。与普通话单片机组相比，粤语 - 普通话双语，双侧前部和时间区之间的功能连通性增加，双侧枕骨皮层和右侧传感器区域和双侧前额外皮层之间的功能连通性降低。两组之间没有发现网络效率的显着差异。与普通话单格式相比，粤语 - 普通话双语在网络效率下没有明显的差异。然而，粤语 - 普通话双语是一种与语言控制，抑制，语音和语义处理相关的更强烈连接的子网，以及内存检索，而与视觉和语音处理相关的较弱的子网，以及语音生产也开发出来。

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