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相关概念视频

Neural Control of Respiration01:18

Neural 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...
4.5K
Physiology of Respiration II: Neurogenic Control of Respiration01:22

Physiology of Respiration II: Neurogenic Control of Respiration

1.8K
The neurogenic control of respiration coordinates various neural networks and pathways to regulate breathing rate and depth, meeting the body's oxygen and carbon dioxide exchange requirements. This system adapts to physiological and environmental conditions, ensuring optimal breathing patterns.
Central Control
The brainstem is the primary site of central control, hosting respiratory centers:
1.8K
Other Factors Affecting Respiration Centers01:17

Other Factors Affecting Respiration Centers

1.4K
Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
1.4K
Ventilatory Modes01:14

Ventilatory Modes

1.3K
Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
1.3K
Physiological Control of Respiration01:23

Physiological 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...
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Brain Imaging01:14

Brain Imaging

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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
651

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相关实验视频

Updated: Jan 11, 2026

Resting-State Connectivity and Neuroimaging of Prefrontal Cortex Activity During a Block-Design Yoga Asana Practice Using fNIRS
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Resting-State Connectivity and Neuroimaging of Prefrontal Cortex Activity During a Block-Design Yoga Asana Practice Using fNIRS

Published on: June 24, 2025

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呼吸模式可以选择性地调节大脑的功能连接.

Sadeq Mohammadi1, Gholam-Ali Hossein-Zadeh1,2, Mohammad Reza Raoufy3,4

  • 1Department of Bioelectric, School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran.

PloS one
|November 14, 2025
PubMed
概括
此摘要是机器生成的。

通过鼻子呼吸与口腔呼吸对大脑连接有不同的影响. 鼻腔呼吸涉及更高阶网络,而口腔呼吸则专注于大脑干,揭示了一个新的呼吸引发的大脑振荡网络 (REBON).

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Breathing-controlled Electrical Stimulation BreEStim for Management of Neuropathic Pain and Spasticity
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Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording
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相关实验视频

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Resting-State Connectivity and Neuroimaging of Prefrontal Cortex Activity During a Block-Design Yoga Asana Practice Using fNIRS
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Breathing-controlled Electrical Stimulation BreEStim for Management of Neuropathic Pain and Spasticity
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Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording
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Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording

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科学领域:

  • 神经科学是一个神经科学.
  • 认知神经科学 认知神经科学
  • 人类大脑成像技术

背景情况:

  • 众所周知,呼吸可以节奏调节大脑活动.
  • 鼻腔呼吸与口腔呼吸对频率特定的大规模神经连接的独特影响在人类中仍然未被探索.

研究的目的:

  • 调查鼻腔和口腔呼吸模式如何调节功能性大脑连接.
  • 在不同的呼吸模式中识别特定频率的大规模神经网络参与.

主要方法:

  • 休息状态功能磁共振成像 (fMRI) 用于20名健康男性参与者.
  • 分析的重点是0.1-0.2赫兹频段的血液氧化水平依赖 (BOLD) 波动.
  • 使用了基于数据的ROI推断和基于种子的连接性 (SBC) 分析与非参数变量测试.

主要成果:

  • 鼻腔呼吸显著激活了嗅觉区域,增加了更高阶网络的连接性 ( Salience,体感,默认模式,前端对称).
  • 口腔呼吸显著激活了大脑干,增加了皮层下自主调节区域的连接性.
  • 这两种模式都涉及到呼吸区域 (海马体,杏仁体,胰岛) 的稳定核心.

结论:

  • 发现了一种新的呼吸引发的大脑振荡网络 (REBON),特定于0.1-0.2 Hz频段.
  • REBON活动的特点是嗅觉区域 (鼻腔呼吸) 和大脑干 (口腔呼吸) 之间交替主导,具有稳定的边缘/接收内核.
  • 研究结果表明,对认知功能,情绪调节和大脑网络完整性有潜在的治疗影响.