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相关概念视频

Organization of the Brain01:30

Organization of the Brain

1.2K
The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
1.2K
Cerebral Hemispheres01:05

Cerebral Hemispheres

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The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
524
Brain Imaging01:14

Brain Imaging

313
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...
313
Functional Brain Systems: Reticular Formation01:13

Functional Brain Systems: Reticular Formation

2.6K
The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
2.6K
Lobes of the Cerebrum01:22

Lobes of the Cerebrum

1.0K
The cerebral cortex, a critical structure of the brain, is intricately divided into two hemispheres, each consisting of four distinct lobes: occipital, temporal, frontal, and parietal. These lobes function cooperatively to regulate various cognitive and sensory functions, forming the basis of our complex neural capabilities.
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
1.0K
Lateralization01:28

Lateralization

481
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
481

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相关实验视频

Updated: Sep 11, 2025

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

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对人类大脑结构网络的边缘中心网络控制.

Huili Sun1, Matthew Rosenblatt1, Javid Dadashkarimi2,3

  • 1Department of Biomedical Engineering, Yale University, New Haven, CT, United States.

Imaging neuroscience (Cambridge, Mass.)
|August 13, 2025
PubMed
概括
此摘要是机器生成的。

边缘中心网络控制理论揭示了大脑连接如何影响认知状态. 这种方法提供了对大脑动态的更高能效的理解,并预测了执行功能的个体差异.

关键词:
大脑结构 大脑结构扩散磁力共振成像 (MRI) 扩散边缘中心网络 边缘中心网络网络控制 网络控制 网络控制

更多相关视频

Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
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Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy

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A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
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A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

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相关实验视频

Last Updated: Sep 11, 2025

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

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Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy
12:09

Network Analysis of the Default Mode Network Using Functional Connectivity MRI in Temporal Lobe Epilepsy

Published on: August 5, 2014

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A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
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A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

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科学领域:

  • 神经科学是一个神经科学.
  • 网络科学 网络科学
  • 计算生物学 计算生物学

背景情况:

  • 网络控制理论通过灰质区域和白质连接模型大脑状态过渡.
  • 现有的模型主要使用以节点为中心的方法,忽视了网络连接 (边缘) 的作用.

研究的目的:

  • 引入和应用以边缘为中心的网络控制理论 (E-NCT),以了解大脑连接在控制大脑动态中的作用.
  • 评估边缘可控性与表型信息和大脑能量消耗的关系.

主要方法:

  • 应用了E-NCT来扩散MRI数据的人类连接体项目.
  • 根据零模型验证了边缘可控性,节点可控性和结构/功能连接组.
  • 使用E-NCT激活网络的估计大脑能量消耗.

主要成果:

  • 边缘可控性预测了表型信息中的个体差异.
  • E-NCT揭示了为执行功能激活复杂的全脑网络比正规网络对更节能.
  • 边缘可控性捕获的控制能量模式和大脑行为表型.

结论:

  • 电子NCT为大脑网络控制机制提供了一个新的以边缘为中心的视角.
  • 这个框架增强了对大脑动态,控制能量和大脑行为关系的理解.