在0.1赫兹的共振节奏呼吸过程中,中央自主网络内的功能连接性增加
M E Bates1, L M Lesnewich2, A P Pawlak1
1Rutgers University New Brunswick, New Brunswick, New Jersey, USA.
Psychophysiology
|February 24, 2026
概括
响应节奏呼吸 (RPB) 是一种缓慢的呼吸技术,可以增强大脑中枢自主网络中的功能连接. 这一发现凸显了RPB在调节兴奋和治疗精神健康障碍方面的潜力.
科学领域:
- 神经科学是一个神经科学.
- 自主神经系统研究 自主神经系统研究
- 心理生理学 心理生理学
背景情况:
- 呼吸,通常是自动的,可以随意控制,影响自主和中枢神经系统.
- 响应节奏呼吸 (RPB),在~6次呼吸/分钟,参与巴罗反射响应频率,产生健康益处,如减少压力和改善心血管功能.
- 虽然RPB的生理效应已知,但其对大脑功能连接的实时影响仍未得到充分研究.
研究的目的:
- 与自然呼吸相比,研究RPB期间中央自主网络内功能连接的变化.
- 通过缓慢呼吸干预来调节特定的大脑区域和网络.
- 探索RPB对兴奋和情绪调节的影响背后的神经机制.
主要方法:
- 功能性磁共振成像 (fMRI) 用于扫描 147 名参与者 (有或没有抑郁症/物质使用障碍) 在自然呼吸和 RPB 期间.
- 分析了中央自治网络中13个预定义的兴趣区域 (ROI) 的连接性.
- 统计分析采用线性混合建模与自适应错误发现率校正.
主要成果:
- 与自然呼吸相比,RPB显著增加了中央自主网络的多个ROI之间的功能连接.
- 在15个显著连接的ROI对中,有10个涉及岛屿的分区.
- 这表明岛内皮质在整合内脏,认知和情绪信息方面发挥着至关重要的作用.
结论:
- RPB增强了中央自治网络中的功能连接,特别是涉及岛屿.
- 这些发现支持insula在将身体感觉与更高层次的认知和情感处理相结合方面的作用.
- 了解这些神经相互依赖关系可以为涉及唤醒调制挑战的障碍开发新型干预措施提供信息.
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