Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

797
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...
797
Cerebral Hemispheres01:05

Cerebral Hemispheres

327
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...
327
Lobes of the Cerebrum01:22

Lobes of the Cerebrum

633
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....
633
Hierarchy of Motor Control01:18

Hierarchy of Motor Control

2.6K
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
2.6K
Lateralization01:28

Lateralization

328
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.
328
Association Areas of the Cortex01:21

Association Areas of the Cortex

5.3K
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,...
5.3K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Noninvasive decoding of typed sentences from human brain activity.

Nature neuroscience·2026
Same author

On the speed of conscious perception: how soon is now?

The Behavioral and brain sciences·2026
Same author

Constituent-constrained word prediction during language comprehension.

Nature neuroscience·2026
Same author

Measuring naturalistic speech comprehension in real time.

Behavior research methods·2026
Same author

Mu rhythm motor-auditory delay in imagined speech mirrors overt speech timing.

Scientific reports·2026
Same author

The anticipation of imminent events is time-scale invariant.

Proceedings of the National Academy of Sciences of the United States of America·2026

相关实验视频

Updated: Jun 28, 2025

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
08:36

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Published on: March 21, 2019

7.3K

层次动态编码协调人类大脑中的语音理解.

Laura Gwilliams1,2,3, Alec Marantz4,5, David Poeppel4

  • 1Department of Psychology, Stanford University.

bioRxiv : the preprint server for biology
|April 25, 2024
PubMed
概括
此摘要是机器生成的。

大脑使用层次动态编码 (HDC) 系统来处理语音,保持语言特征的并行表示. 这种动态的神经代码通过保存信息和防止干扰,有助于理解连续的语音.

关键词:
大脑大脑大脑的大脑大脑解码的解码方法是层次结构的层次结构.语言语言语言语言语言语言.机器学习是机器学习.演讲 演讲 演讲 演讲时间尺度的时间尺度.

更多相关视频

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
08:45

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

14.7K
Recording Human Electrocorticographic ECoG Signals for Neuroscientific Research and Real-time Functional Cortical Mapping
13:32

Recording Human Electrocorticographic ECoG Signals for Neuroscientific Research and Real-time Functional Cortical Mapping

Published on: June 26, 2012

25.7K

相关实验视频

Last Updated: Jun 28, 2025

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
08:36

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Published on: March 21, 2019

7.3K
Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
08:45

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

14.7K
Recording Human Electrocorticographic ECoG Signals for Neuroscientific Research and Real-time Functional Cortical Mapping
13:32

Recording Human Electrocorticographic ECoG Signals for Neuroscientific Research and Real-time Functional Cortical Mapping

Published on: June 26, 2012

25.7K

科学领域:

  • 神经科学是一个神经科学.
  • 认知科学 认知科学
  • 语言学的语言学.

背景情况:

  • 语音理解需要大脑通过语言特征的层次结构将声学信号处理成意义.
  • 大脑中这些快速展开的等级特征的协调仍然不太了解.

研究的目的:

  • 研究大脑在自然语音理解过程中如何协调和表示语言特征的层次结构.
  • 为了测试层次动态编码 (HDC) 假设,为序列语言特征提出并行,动态的神经代码.

主要方法:

  • 磁脑电图 (MEG) 用于记录21名参与者听英语故事的脑活动.
  • 时间解析的脑活动解码被用来跟踪语音,词形,词汇-语法,语法和语义层面的表示.
  • 分析的重点是构建,维护和更新这些层次特征表示.

主要成果:

  • 大脑同时代表和维护一系列层次化的语言特征.
  • 这些神经表示的持续时间取决于它们在语言层次结构中的水平.
  • 动态的神经代码以与语言水平相匹配的速度进化,维护这些表示,保存信息并最大限度地减少干扰.

结论:

  • 层次动态编码 (HDC) 模型解释了大脑如何在语音理解过程中管理语言信息的持续流动.
  • 这一发现将理论语言学与其神经执行联系起来,为语言处理的生物基础提供了洞察力.