文字中的空间和时间:探索神经重叠和特异性
Francesca Conca1, Giulia Mattavelli2,3, Claudia Gianelli4
1ICoN Cognitive Neuroscience Center, University School for Advanced Studies, IUSS, Pavia, Italy.
Behavioral and brain functions : BBF
|December 14, 2025
概括
右侧的内突 (IPS) 对于处理基于语言的大小,空间和时间至关重要. 根据这项研究, precuneus 特别有助于处理时间概念.
科学领域:
- 认知神经科学 认知神经科学
- 神经成像是一种神经成像.
- 接地认知 接地认知
背景情况:
- 关于空间,时间和数量,提出了一个涉及右侧内 (IPS) 的共享大小系统.
- 讨论了IPS和precuneus在处理这些概念中的特定角色,特别是在语言中.
- 接地认知理论表明,感官和运动系统都参与了抽象概念的表现.
研究的目的:
- 调查右侧内突 (IPS) 和前突对处理语言中的空间和时间概念的因果关系.
- 测试域特定与共享神经机制在一个接地认知框架内进行大小处理的假设.
主要方法:
- 在20名健康参与者中采用了依赖于状态的跨磁刺激 (TMS) 启动范式.
- 将TMS应用于右侧IPS,右侧前骨和一个控制顶部部位.
- 评估了刺激对空间和时间语言概念的原始化效应的影响.
主要成果:
- 与假的相比,对正确的IPS的刺激显著地破坏了与虚拟的相比,空间和时间概念的原始化效应.
- 对前的刺激选择性地取消了仅对时间概念的原始化效应.
- 这些发现表明,在语言中处理空间和时间大小时有不同的神经基质.
结论:
- 右侧内突 (IPS) 在基于语言的数量处理中发挥着关键作用,包括空间和时间领域.
- 前,特别是它的腹部部分,在语言中处理时间概念方面表现出专门的功能.
- 结果支持对大小表示的细微观点,突出了共享和域特定的神经贡献.
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