与任务相关的注意力过程是通过呼吸和RR间隔可变性明显调节的
Nozomu H Nakamura1, Kohzoh Yoshino2, Masaki Fukunaga3
1Department of Integrative Physiology, Faculty of Medicine, Hyogo Medical University, 1-1, Mukogawa cho, Nishinomiya, , Hyogo 663-8501, Japan.
The journal of physiological sciences : JPS
|December 30, 2025
概括
呼吸模式和心率变化影响认知任务中的反应时间. 具体来说,吸入的时间和心率间隔的变化独立地影响注意力处理和任务执行.
科学领域:
- 认知神经科学 认知神经科学
- 心血管呼吸系统心理生理学 心血管呼吸系统心理生理学
背景情况:
- 注意力处理和反应时间 (RTs) 受生理状态的影响.
- 呼吸,心脏活动和认知功能,特别是注意力处理之间的相互作用尚未完全理解.
- 研究心肺呼吸系统在调节认知任务的表现中的作用至关重要.
研究的目的:
- 为了确定呼吸和RR间隔 (RRI) 变异性在成功执行短期记忆任务中的特定参与.
- 阐明呼吸阶段,RRI动态和反应时间调制之间的关系.
主要方法:
- 36名健康参与者完成了一项短期记忆任务.
- 对正确反应的反应时间 (RTs) 与呼吸事件 (吸气发作) 和RR间隔 (RRI) 速度相关分析.
- 采用多级建模来分析生理测量和RT之间的时间关系.
主要成果:
- 在呼气到吸气过渡 (吸气发作) 期间,反应时间 (RTs) 显著增加.
- 当RR间隔 (RRI) 速度在记忆检索阶段加速时,RTs也增加了.
- 多层次分析表明,灵感发作和增加RRI速度之间的时间不匹配,表明影响RT的独立机制.
结论:
- 呼吸阶段和RR间隔 (RRI) 变化独立地影响注意力处理和任务执行.
- 这些发现表明,与呼吸和心脏活动相关的独特生理机制调节了认知表现.
- 这项研究提供了关于心肺呼吸系统对注意力和表现的影响功能差异化的见解.
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