相关实验视频
Updated: Jan 14, 2026

06:04
Functional Mapping with Simultaneous MEG and EEG
Published on: June 14, 2010
18.4K
多任务语言映射可视化多功能语言皮层的空间配置
Omar Chishti1,2, Evan Collins1,3, Hari Mcgrath1,4
1Yale Clinical Neuroscience Group for Neuroanalytics, Yale School of Medicine, New Haven, CT.
Neurology
|October 22, 2025
概括
多任务直接电刺激 (DES) 精确地绘制了大脑的语言网络,揭示了核心区域并改善了手术规划. 一个专注的任务集可以有效地捕获超过99%的语言网站.
科学领域:
- 神经科学是一个神经科学.
- 神经外科 神经外科
- 认知科学 认知科学
背景情况:
- 直接电刺激 (DES) 是绘制雄辩语言皮层的黄金标准.
- 单任务映射可能会错过特定模式或分布式语言区域.
- 定义多功能语言皮层需要先进的映射技术.
研究的目的:
- 使用多任务DES定义多功能语言皮层的空间范围.
- 将多任务DES与耶鲁大脑图谱 (YBA) 集成在一起,以实现精确的解剖定位.
- 用基于人口的结构连接数据来补充DES的发现.
主要方法:
- 对15名患有耐药性的患者进行了回顾性分析,这些患者接受了外科手术后的DES语言映射.
- 管理六个语言任务:视觉/听觉命名,阅读,重复,听觉/书面理解.
- 响应被映射到YBA,汇总,并分析任务间的相关性;结构连接性通过路径学评估.
主要成果:
- 多任务DES确定了一个可重现的语言核心 (上环,三角环,上边环,基本区).
- 一个分层的任务策略 (视觉命名,听觉命名,阅读) 捕获了>99%的语言网站.
- 结构连接性分析显示,形带,状带和上纵带都有显著的参与.
结论:
- 多任务DES与YBA提供了一个精确的,可重复的语言映射平台.
- 一个专注的任务集是有效和敏感的识别语言区域.
- 将DES与结构连接集成为外科手术规划和理解语言表示提供了网络层面的洞察力.
相关概念视频
Lateralization
962
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.
962
Higher Mental Functions of the Brain: Language
3.4K
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...
3.4K
Association Areas of the Cortex
8.8K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
8.8K
Lobes of the Cerebrum
4.1K
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....
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
4.1K
Language and Cognition
704
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.
704
Cerebral Hemispheres
2.0K
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...
2.0K

