意识到心脏意识和整感觉注意力不同调节心跳唤起的神经动态
Su Hyun Bong1, Yourim Shin1, Dayoung Yoon1
1Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea.
NeuroImage
|November 24, 2025
概括
这项研究使用心跳唤起反应 (HERs) 来区分有意识的心脏意识与整感觉注意力. 研究结果揭示了主观感觉与专注注意心跳的不同神经通路.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 心理生理学 心理生理学
背景情况:
- 心跳唤起反应 (HER) 是处理身体内部信号 (内接收) 的关键神经标志物.
- 区分心跳的意识意识与对它们的注意力集中是至关重要的,但具有挑战性.
- 现有的研究经常将主观心脏感知与注意状态混为一谈.
研究的目的:
- 解开意识心脏意识的神经机制与整感注意力.
- 调查电脑电图 (EEG) 标记物,包括 HERs,在这两种整体感受过程之间有什么不同.
- 开发和验证一种新的实验范式,用于分离心脏意识和注意力.
主要方法:
- 使用了一项新任务,其中29名参与者报告了感知到心跳时间,随后进行客观反.
- 分析了脑电图 (EEG) 数据,重点关注心跳引起的反应 (HER).
- 采用基于阶段的连接和微状态分析来检查神经网络动态.
主要成果:
- 意识到心脏意识早些时候显示了HER调节在背中前额叶皮质和增加β同步.
- 接收间的注意力以后表现出与体感皮质和胰岛素相关的HER调制.
- 不同的EEG微态与每个过程有关,涉及不同的大脑网络.
结论:
- 意识到心脏意识和整感觉注意力涉及可分离的神经基质.
- HERs是多方面的,反映了注意力精度和感官输入与意识预测处理的整合.
- 这些发现提升了我们对整体感知和主观身体体验的神经基础的理解.
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