对面的时间对社会和非社会语义判断的贡献
Joakim Norberg1,2,3, Stephanie McMains4, Jonas Persson3,5
1Harvard University, Cambridge, Massachusetts, USA.
Journal of neuropsychology
|May 31, 2023
概括
这项研究使用fMRI和TMS探索了社会和非社会语义判断. 虽然大脑活动不同,但破坏特定区域并没有改变判断能力,这表明复杂的神经网络.
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.
- 大脑刺激 大脑刺激
背景情况:
- 语义判断依赖于世界知识,通常涉及左下额头 (IFG).
- 然而,社会语义判断与心智化网络有关,特别是右关节 (TPJ).
- 社会和非社会语义处理之间的精确的神经分离仍然不清楚.
研究的目的:
- 调查社会和非社会语义判断是否在神经上有所区别.
- 检查左IFG和右TPJ在这些判断类型中的因果作用.
主要方法:
- 使用功能性磁共振成像 (fMRI) 和重复性横磁刺激 (rTMS).
- 参与者对社会 (刻板印象) 和非社会 (对象) 类别进行了语义判断.
- rTMS被用来暂时扰乱左IFG和右TPJ的活动.
主要成果:
- fMRI显示,非社会判断的左侧IFG激活率更高,而社会判断的右侧TPJ激活率更高.
- rTMS向左的IFG并没有特别损害非社会判断.
- rTMS到右TPJ并没有特别损害社会判断.
结论:
- 虽然不同的大脑区域对社会和非社会语义判断表现出不同的激活,但它们的因果作用并不像预测的那样直接.
- 这些语义过程的基础的神经网络可能比以前假设的更复杂和相互连接.
关键词:
下面的前额回路 (inferior frontal gyrus) 是一个较低的前额回路.语义上的判断 语义上的判断社会认知 (social cognition) 是一种社会认知.刻板印象的刻板印象是一种刻板印象.时间-平行体结节.更多相关视频
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