自发的反事实思想的神经实例化
Regan M Bernhard1, Fiery Cushman2, Alara Cameron Jessey Wright
1Department of Psychology and Neuroscience, Boston College.
Journal of experimental psychology. General
|November 7, 2024
概括
这项研究揭示了支持对替代可能性的自发思考的大脑网络. 神经成像识别了关键的大脑区域,在考虑可能发生的事情时,与实际发生的事情不同.
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.
背景情况:
- 人类的认知往往涉及考虑其他可能性,无论是明确的还是隐含的.
- 虽然已经研究了明确的反事实思维,但自发的替代表征的神经基础被理解得更少.
研究的目的:
- 为了研究神经过程,背后的自发生成的反事实替代品.
- 为了确定在隐性考虑替代品时优先参与的大脑区域.
主要方法:
- 功能磁共振成像 (fMRI) 用于扫描参与者.
- 参与者判断选择是否被强迫或自由,这项任务旨在引起对替代品的自发考虑.
- 控制条件涉及对实际事件的判断,而不是替代方案.
主要成果:
- 与实际事件判断相比,14个大脑集群在力量判断 (引发替代品) 期间显示出优先参与.
- 这些集群分布在前额叶皮层,额叶叶片,状环,后带状环和尾状环中.
- 神经信号的变化与判断的变化相关,这表明在表示替代品方面发挥了作用.
结论:
- 这项研究为自发的反事实替代表示提供了神经基质的第一个特征.
- 这些发现突出了大脑广泛的网络,涉及到考虑可能发生的事情,超出实际发生的事情.
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