在大声思考时事件构造的时间展开:中腹前额叶皮层的作用
Giovanni Cantarella1,2, Angelo Pisani1,2, Debora Stendardi1,2
1University of Bologna.
Journal of cognitive neuroscience
|December 10, 2025
概括
腹中前额叶皮层 (vMPFC) 的损伤通过降低个人语义记忆来损害心理时间旅行 (MTT). 这种损伤改变了事件构建动态,阻碍了对特定过去和未来事件的访问.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 神经生物学 神经生物学 神经生物学
背景情况:
- 心理时间旅行 (MTT) 涉及到从语义知识到情节知识的层次心理表征的导航.
- 腹中前额叶皮层 (vMPFC) 参与启动MTT的个人语义信息,但其在时间动态中的确切作用尚不清楚.
研究的目的:
- 调查vMPFC在精神时间旅行的时间动态中的精确作用.
- 检查vMPFC病变如何影响MTT期间的个人语义记忆和事件构造.
主要方法:
- 一项涉及焦点vMPFC病变患者,脑损伤对照和健康参与者的研究.
- 参与者完成了个人语义面试和"大声思考"的心理时间旅行任务 (回忆过去,想象未来事件).
主要成果:
- 在MTT期间,vMPFC患者表现出退化的个人语义信息,并且在MTT期间产生了更多的重复,更少的特定事件.
- 这些患者表现出不典型的向后转变,从较低层次 (插曲性) 到更高层次 (语义) 的知识结构.
结论:
- vMPFC损伤损害了对MTT至关重要的个人语义记忆.
- vMPFC病变改变了事件构建检索动态,阻碍了对特定个人事件进行心理时间旅行的能力.
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