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语言切换环境对域一般认知控制的动态影响:EEG研究
Dongxue Liu1, Yujie Meng1, Linyan Liu1
1Beijing Key Laboratory of Applied Experimental Psychology, National Demonstration Center for Experimental Psychology Education, Faculty of Psychology, Beijing Normal University, Beijing, China.
双语者在不同的语言切换环境中表现出明显的认知控制. 强迫切换独特地影响认知控制,突出了动态语言控制适应.
科学领域:
- 认知神经科学 认知神经科学
- 心理语言学 心理语言学
- 双语研究研究 双语研究
背景情况:
- 双语者在谈话中自然会切换语言.
- 不同的切换环境对认知控制的影响仍然不清楚.
研究的目的:
- 调查强制,自愿和自然语言切换语境如何调节不平衡双语者的域一般认知控制.
- 为了检查语言和认知控制之间的大脑行为关系,跨越切换语境.
主要方法:
- 使用交叉任务范式,交错侧边和语言切换任务.
- 在强制,自愿和自然切换环境中检查了中英双语者的表现.
- 分析了电生理学数据,特别是P3组件,以及大脑行为相关性.
主要成果:
- 不典型的侧边效应仅在强制切换环境中观察到.
- 与自然和自愿环境相比,在强制切换中,不一致试验的P3幅度减少了.
- 语言和认知控制之间的强烈的大脑-大脑和大脑-行为关系仅在强制切换条件下才明显.
结论:
- 语言控制动态地适应域一般的认知控制需求.
- 语言切换环境的类型显著影响认知控制过程.
- 调查结果强调了在双语研究中考虑各种转换背景的重要性.
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