心肺呼吸系统相互作用在整体感知:心跳调节皮质振荡的作用
Andrea Zaccaro1, Francesca Della Penna1, Francesco Bubbico1
1Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti.
NeuroImage
|January 12, 2026
概括
呼吸会影响你的大脑如何处理心跳. 呼气可以增强阿尔法和太频段中的大脑活动,提高您感知心脏 (心脏互感觉) 的能力.
科学领域:
- 神经科学是一个神经科学.
- 心血管呼吸系统生理学
- 认知科学 认知科学
背景情况:
- 心血管和呼吸系统紧密联系在一起,影响身体内部的意识 (内感).
- 以前的研究表明,呼吸调节心脏处理的神经标志物 (心跳唤起的潜能) 和整感准确度,特别是在呼气过程中.
研究的目的:
- 为了研究呼吸阶段 (吸入与呼气) 如何影响由心跳调节的皮质振荡.
- 为了探索休息期间的这些影响,心脏内接收 (心跳计数) 和外接收控制任务.
主要方法:
- 在时间频率领域重新分析现有数据.
- 检查心跳调节的皮质振荡 (alpha和theta波段) 在呼吸阶段.
- 在心跳计数,休息和外接收任务期间的神经活动的比较.
主要成果:
- 呼气增加了晚期心跳调节的α和theta功率,并在心跳计数期间在前额-双侧面区域上增加了试验间的连贯性.
- 心跳调节的α活性与心跳唤起的潜在幅度和预测的感知精度相关.
- 在呼气过程中观察到心跳调节功能连接的增强,这种效应仅仅由心脏生理学无法解释,并且不在外接收任务中.
结论:
- 呼气通过注意力分配来提高心脏信号的精度,从而增强心脏整体感应.
- 这些发现支持一种全感受性预测编码框架,用于理解心肺呼吸相互作用.
- 皮层振荡和功能连接是关键的神经机制,将呼吸与整感受联系起来.
关键词:
没有,没有,没有.更多相关视频
06:13Author Spotlight: Exploring Olfactory Influences on Corticospinal Excitability - Insights and Innovations in Neurological Research
Published on: January 19, 2024
1.5K
08:08Using Wavelet Entropy to Demonstrate how Mindfulness Practice Increases Coordination between Irregular Cerebral and Cardiac Activities
Published on: May 10, 2017
15.2K
相关概念视频
01:31Regulation of Heart Rates
3.7K
The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
3.7K
01:30Factors Influencing Heart Rate
6.1K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
6.1K
01:18Neural Control of Respiration
4.5K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
4.5K
01:23Physiological Control of Respiration
5.8K
Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
5.8K
01:18Neural Regulation of Blood Pressure
6.8K
The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
6.8K
01:18Physiology of the Heart: The Cardiac Cycle
7.9K
The cardiac cycle describes the events from one heartbeat to the next. It includes three main phases: diastole, atrial systole, and ventricular systole, all driven by changes in chamber pressures and the function of heart valves.
Diastole: The Relaxation Phase
During diastole, all four heart chambers relax. The atrioventricular (AV) valves open, and the semilunar valves close. This phase sees the lowest chamber pressures, promoting ventricular filling. Venous blood enters the heart through the...
Diastole: The Relaxation Phase
During diastole, all four heart chambers relax. The atrioventricular (AV) valves open, and the semilunar valves close. This phase sees the lowest chamber pressures, promoting ventricular filling. Venous blood enters the heart through the...
7.9K