心跳暂停:在运动准备过程中对心脏信号进行皮质处理
Elena Mussini1, Andrea Zaccaro2, Mauro Gianni Perrucci3
1Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy; Cognition in Action (CIA) Unit, PHILAB, Università degli Studi di Milano 20122 Milano, Italy.
NeuroImage
|June 5, 2025
概括
主动抑制是大脑控制机制,在运动准备过程中增强了心脏信号的处理. 这种脑心沟通优化了为需要克制的苛刻情况做好准备.
科学领域:
- 神经科学是一个神经科学.
- 心血管心理学 心血管心理学
- 认知科学 认知科学
背景情况:
- 大脑和心脏相互作用以管理环境需求,心脏信号影响知觉和行动.
- 心脏减速有助于响应抑制和刺激编码,但在运动抑制期间,皮质对心脏信号的处理还不太清楚.
研究的目的:
- 调查环境驱动的运动抑制是否调节皮质心脏信号处理,特别是心跳唤起的潜力 (HEP).
- 为了检查主动抑制对大脑在运动准备期间处理内心信号的影响.
主要方法:
- 参与者在低主动抑制 (LPI) 和高主动抑制 (HPI) 环境中执行了Go/No-Go任务.
- 使用脑电图 (EEG) 和心电图 (ECG) 来测量皮质活动和心脏信号,重点关注HEP振幅.
- 分析集中在前刺激阶段的HEP,将它们与运动准备 (HEP2) 和行为措施相关联.
主要成果:
- 这种HPI条件导致反应时间减慢,准备能力 (BP) 幅度降低,这表明准备期间的运动参与减少.
- 在HPI背景下,与LPI相比,在动力准备期间观察到明显更高的HEP2振幅.
- HEP2的调节独立于心脏减速或其他一般生理变化.
结论:
- 积极的抑制环境在运动准备阶段特别增强心脏信号处理.
- 这一发现揭示了心脏处理和皮层水平上的运动抑制之间的功能联系.
- 大脑与心脏的相互作用可能在优化对受控反应的认知和生理准备方面发挥了适应性作用.
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