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相关概念视频

Neuronal Communication01:28

Neuronal Communication

791
Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
791
Neurons as Communicators of the Brain01:22

Neurons as Communicators of the Brain

1.1K
Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...
1.1K
Spinal Cord: Information Processing01:10

Spinal Cord: Information Processing

1.2K
The spinal cord is an integral hub for motor and sensory information that enables the brain to communicate with the peripheral nervous system (PNS). This communication consists of relaying sensory data and transmission of motor commands.
Sensory Information Processing
Sensory information processing begins at the sensory receptors located in the skin and other tissues, which detect somatic sensory stimuli such as touch, temperature, or pain. These receptors function as catalysts, initiating...
1.2K
Brainstem: Control Centers of Medulla01:21

Brainstem: Control Centers of Medulla

1.5K
The medulla oblongata is a crucial part of the brainstem responsible for controlling various autonomic and involuntary functions. It contains several nuclei, including the olivary, cuneate, gracile, and solitary nuclei.
Olivary Nucleus
The olivary nucleus, or inferior olivary nucleus, is located within the ventrolateral part of the medulla oblongata. It is primarily involved in motor coordination and motor learning. The olivary nucleus receives input from the spinal cord, cerebellum, and motor...
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Physiology of Respiration II: Neurogenic Control of Respiration01:22

Physiology of Respiration II: Neurogenic Control of Respiration

572
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:
572
Nervous System01:21

Nervous System

1.6K
The nervous system coordinates body functions through its complex network of nerve cells, enabling sensation and movement. It is divided into two primary parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and the spinal cord. The brain acts as the body's control center, processing sensory information and coordinating responses. The spinal cord functions as a major signaling pathway for the brain and the rest of the body.
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相关实验视频

Updated: Jun 10, 2025

Simultaneous Recordings of Cortical Local Field Potentials, Electrocardiogram, Electromyogram, and Breathing Rhythm from a Freely Moving Rat
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大脑与身体的生理学:局部,反射和中央通信

Megan Sammons1, Miranda C Popescu2, Jingyi Chi3

  • 1Rappaport School of Medicine, Technion, Haifa, Israel.

Cell
|October 18, 2024
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概括

大脑和身体有着复杂的联系,生理需求影响行为, 神经系统协调反应. 这篇评论探讨了大脑与身体的联系及其在健康中的作用,重点是免疫接收.

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Preparation of Acute Brain Slices Using an Optimized N-Methyl-D-glucamine Protective Recovery Method
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Real-time Analysis of Gut-brain Neural Communication: Cortex wide Calcium Dynamics in Response to Intestinal Glucose Stimulation
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Simultaneous Recordings of Cortical Local Field Potentials, Electrocardiogram, Electromyogram, and Breathing Rhythm from a Freely Moving Rat
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科学领域:

  • 神经科学
  • 生理学
  • 免疫学

背景情况:

  • 行为与身体生理同步,由内部需求驱动,需要协调的生理反应.
  • 神经系统动态地代表内部状态, 影响情绪, 情绪和对外部线索的反应.
  • 了解大脑与身体的关系对于适应环境变化和实现目标至关重要.

研究的目的:

  • 通过不同的调节层来检查大脑与身体的解剖结构和功能.
  • 探索免疫接收在身体-大脑信号的等级循环中的作用.
  • 讨论免疫感受失调对健康的影响.

主要方法:

  • 关于大脑与身体交流的现有文献的审查.
  • 神经解剖学和功能途径的分析.
  • 检查免疫机制及其影响.

主要成果:

  • 通过局部,反射和中央调节.
  • 免疫系统的感觉过程是这一轴的关键组成部分.
  • 免疫感受失调与各种人类健康问题有关.

结论:

  • 大脑与身体的轴心是整合内部状态与外部行为的基础.
  • 免疫接收在维持生理平衡和整体健康方面起着至关重要的作用.
  • 需要对免疫接收进行进一步研究,以了解和治疗相关的健康状况.