打破振动对称性支持在参与语言的大脑网络中的功能过渡
Tommaso Gili1,2, Bryant Avila3, Luca Pasquini4,5
1Networks Unit, IMT Scuola Alti Studi Lucca, Piazza San Francesco 15, 55100- Lucca, Italy.
Research square
|June 17, 2024
概括
这项研究为人类大脑连接组引入了一种新的局部对称理论. 它揭示了大脑网络结构如何决定连贯功能,特别是在语言任务和休息状态期间.
科学领域:
- 神经科学是一个神经科学.
- 理论物理 理论物理
- 网络科学 网络科学
背景情况:
- 对称性是物理学的基础,但它在生物系统,特别是人类大脑中的作用仍然未被充分探索.
- 现有的模型很难将大脑的结构连接与其功能动态联系起来.
- 人类大脑复杂的网络架构需要新的理论框架.
研究的目的:
- 探索语言处理过程中人类大脑网络中的结构连接 (连接体) 和功能同步之间的关系.
- 引入一种基于分类对称性的新理论框架 (格罗迪克纤维化),以了解大脑网络的组织.
- 提出连接体的局部对称理论及其在连贯大脑活动中的作用.
主要方法:
- 对参与语言任务的人类大脑网络的分析.
- 探索结构连接 (连接体) 和功能网络同步之间的联系.
- 应用分类对称原理 (格罗迪克纤维) 来建模大脑网络属性.
主要成果:
- 通过连接体的局部对称理论提出了对人类大脑的新理解.
- 脑网络结构被证明可以确定连贯的活动和同步模式.
- 静止状态表现出特定的纤维对称性,在语言处理过程中发生变化.
结论:
- 局部网络对称性是人类大脑连贯功能的一个关键决定因素.
- 提出的理论为理解大脑结构如何决定功能提供了一个框架.
- 这项工作将理论物理概念与神经生物学网络动态联系起来.
更多相关视频
13:12Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
Published on: August 12, 2019
45.4K
16:23Fiber Connections of the Supplementary Motor Area Revisited: Methodology of Fiber Dissection, DTI, and Three Dimensional Documentation
Published on: May 23, 2017
11.3K
相关概念视频
01:10Higher Mental Functions of the Brain: Language
789
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
789
01:27Language and Cognition
342
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
342
01:05Cerebral Hemispheres
322
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...
322
01:28Lateralization
319
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.
319
01:15Functional Brain Systems: Limbic System
2.5K
The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
2.5K