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双语空间认知:在双语和单语者中使用空间暗示
Anna Tyborowska1,2, Joost Wegman1,2, Gabriele Janzen1,2
1Behavioural Science Institute, Radboud University Nijmegen, 6500 HE Nijmegen, The Netherlands.
Brain sciences
|February 23, 2024
概括
与单语者相比,双语者在空间任务中显示出增强的大脑激活. 这表明双语可能通过参与更广泛的神经网络来改善执行控制和空间导航能力.
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:
- 双语者表现出增强的执行控制功能,可能是由于语言抑制需求.
- 以前的研究集中在执行控制任务上,没有探索空间领域的差异.
研究的目的:
- 研究双语者和单语者之间空间暗示利用的神经差异.
- 探索双语优势是否延伸到空间导航和记忆.
主要方法:
- 使用功能磁共振成像 (fMRI) 研究了15名双语者和14名单语者.
- 参与者在虚拟环境中导航,使用空间线索编码和检索目标对象位置.
主要成果:
- 与单语者相比,双语者在编码和检索阶段在广泛的神经网络中表现出更大的激活.
- 特定的区域,如右,左和前额叶皮层,在编码过程中表现出双语者的高度活动.
- 在检索过程中,双语者表现出左尾状核,右背侧前额皮质 (DLPFC) 和左副海马圈 (parahippocampal gyrus) 的活性增加.
结论:
- 双语者可以利用不同的神经网络进行空间处理和执行控制.
- 研究结果表明,双语影响空间导航和记忆的神经策略,可能增强认知灵活性.
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