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在中英双语学习中,大脑小脑参与叙事理解

Chan Tang¹, Hehui Li², Juan Zhang³

¹State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China.

Cortex; a journal devoted to the study of the nervous system and behavior

|October 31, 2025

概括

小脑支持跨语言的叙事理解,显示一致的激活,但灵活的连接性. 它与语言网络的参与是基于双语经验和熟练程度的调整,特别是在第二语言学习方面.

科学领域:

神经科学是一个神经科学.
认知科学认知科学
心理语言学心理语言学

背景情况:

小脑的作用超越了运动控制,涉及到更高层次的认知功能,包括语言处理.
它在双语语言处理中的参与,特别是叙事理解,尚未得到充分理解.
研究大脑小脑功能的跨语言一致性和适应性对于理解双语至关重要.

研究的目的:

在母语 (L1) 和第二 (L2) 语言的叙事理解过程中检查小脑激活和皮质-小脑功能连接.
为了确定小脑功能是否在不同语言之间是一致的,或者是否表现出特定语言的调制.
探索小脑活动,默认模式网络 (DMN) 连接和第二语言学习 (SLA) 之间的关系.

主要方法:

功能磁共振成像 (fMRI) 用于测量大脑活动.
高度熟练的中英双语者 (N=28) 在L1和L2.2中执行叙事理解任务.
分析了皮层-小脑功能连接,特别是DMN和左下额头 (IFG).

主要成果:

右后小脑 (Crus I/II) 在L1和L2.2中显示出对叙事理解的一致激活.
大脑小脑与DMN的连接性在叙事理解过程中增加,在L1比L2更强,在L2更强.
小脑区域与左IFG之间的连接性与L2处理期间的L2获取年龄 (AoA) 有正相关.

结论:

小脑在双语叙事理解中发挥着灵活的作用,适应其跨语言的连接模式.
在L2处理过程中增强的皮质大脑协作表明与L2 AoA相关的补偿机制.
小脑表现出经验依赖的适应,支持双语语言处理和晚期L2获取.

关键词:

在AOAA的AOA.双语主义是一种双语主义.皮层-大脑的功能连接性叙事方式叙事方式神经效率的神经效率

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