语境在叙事理解过程中调节大脑状态动态和行为反应
Yibei Chen1, Zaid Zada2, Samuel A Nastase2
1McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, United States.
Imaging neuroscience (Cambridge, Mass.)
|February 4, 2026
概括
语境启动通过微妙调整大脑活动来影响故事的理解. 特定的叙事背景改变了大脑在听力过程中如何参与默认模式 (DMN) 和多重需求网络 (MDN).
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:
- 叙事理解依赖于上下文,但神经机制尚未完全理解.
- 简短的上下文原始化显著影响个人如何解释故事.
- 在自然语言处理过程中大脑的动态状态变化需要进一步调查.
研究的目的:
- 调查基础上的神经机制情境敏感的叙事理解.
- 在听故事期间,通过叙事背景调节的动态大脑状态.
- 探索语言和性格特征如何影响基于背景的大脑状态参与.
主要方法:
- 在功能磁共振成像 (fMRI) 数据上使用隐藏的马尔科夫建模 (HMM).
- 分析了参与者在两个背景下听一个模两可的故事时的大脑活动 (外遇与偏执).
- 采用贝叶斯混合效应建模和行为分析,将大脑状态与解释联系起来.
主要成果:
- 确定了涉及听觉,语言和默认模式网络 (DMN) 区域的重复性大脑状态.
- 观察到特定上下文的大脑状态招募多重需求网络 (MDN) 系统 (控制,注意,突出).
- 发现上下文调节了故事特征对大脑状态概率和解释判断的影响.
结论:
- 语境启动通过DMN和MDN大脑状态的特征依赖调制来塑造叙事理解.
- 在自然倾听过程中,动态大脑状态参与对于上下文敏感的解释至关重要.
- 这项研究提供了关于背景如何影响意义构造的神经基础的见解.
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