对心脏感觉的注意力增强了在呼气过程中心跳唤起的潜力
Andrea Zaccaro1, Francesca Della Penna2, Elena Mussini2
1Department of Psychological, Health and Territorial Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.
iScience
|April 16, 2024
概括
呼吸会影响我们的大脑如何处理心跳. 呼气时心跳唤起的潜能 (HEP) 较高,表明呼吸会影响心脏内心接收,可能有助于注意身体内部的感觉.
科学领域:
- 神经科学是一个神经科学.
- 心理生理学 心理生理学
- 心血管呼吸系统相互作用
背景情况:
- 心跳唤起的潜能 (HEP) 反映了皮质对心脏信号的处理.
- 之前的研究表明,与吸入相比,呼出时的HEP更高,可能是由于注意力调节心脏感知.
- 了解呼吸,注意力和心脏内接收之间的相互作用对于探索大脑与身体之间的通信至关重要.
研究的目的:
- 为了研究心跳唤起的潜能 (HEP),注意力集中和呼吸阶段之间的关系.
- 检查心脏和呼吸系统的内接收和外接收注意力任务如何影响HEP.
- 阐明呼吸在调节心脏整体感应中的作用.
主要方法:
- 使用测量电脑电图 (EEG) 的实验装置记录HEP.
- 包括专注于心脏和呼吸系统内接收和外接收注意力的任务.
- 分析了与呼吸阶段 (吸入和呼出) 和注意力条件相关的HEP振幅.
主要成果:
- 在整感任务中,HEP振幅显著增加,特别是在前端中心电极上.
- 观察到的HEP的增加主要是由呼吸过程中发生的心跳驱动的,特别是在心脏整体感应任务中.
- 吸入过程中的心跳对跨任务的HEP振幅产生了最小的影响.
结论:
- 呼吸在心脏整感注意力中起着重要作用.
- 研究结果表明,注意力集中在心脏信号上是由呼吸循环调节的,而呼气是关键阶段.
- 这些结果可能有助于开发旨在增强心脏内接收的呼吸干预措施.
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