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

Cerebral Hemispheres01:05

Cerebral Hemispheres

555
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...
555
Lobes of the Cerebrum01:22

Lobes of the Cerebrum

1.1K
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....
1.1K
Lateralization01:28

Lateralization

513
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.
513
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

594
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
594
Cerebrum: Anatomical Overview II01:11

Cerebrum: Anatomical Overview II

2.6K
Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...
2.6K
Language and Cognition01:27

Language and Cognition

450
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.
450

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

Investigating the mechanisms underlying saccade generation in the frontal eye fields using multisite microstimulation.

Journal of neurophysiology·2026
Same author

Brain-wide arousal signals are segregated from movement planning in the superior colliculus of the macaque.

eLife·2026
Same author

Input-dependent directionality of interactions between cortical areas.

bioRxiv : the preprint server for biology·2026
Same author

Interactions across hemispheres in prefrontal cortex reflect global cognitive processing.

Nature communications·2026
Same author

Linking reaction time variability to physiological markers of arousal across timescales.

bioRxiv : the preprint server for biology·2026
Same author

From Breath to Behavior: Respiratory Features Predict Visual Detection Performance.

bioRxiv : the preprint server for biology·2026

相关实验视频

Updated: Sep 15, 2025

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
07:03

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice

Published on: July 31, 2019

6.9K

前额叶皮质半球之间的相互作用反映了全球认知处理.

Megan E McDonnell1,2,3, Akash Umakantha1,2,4,3, Ryan C Williamson1,2,4,5,3

  • 1Neuroscience Institute, Carnegie Mellon University, Pittsburgh, PA, USA.

bioRxiv : the preprint server for biology
|July 15, 2025
PubMed
概括
此摘要是机器生成的。

研究人员使用双半球记录和一种新的统计方法研究了大脑区域的相互作用. 他们发现与兴奋相关的共同神经变异性,揭示了单区域研究中隐藏的大脑功能.

关键词:
激发性兴奋 激发性兴奋减少维度,减少维度.神经元群体的神经元群体.神经元的可变性前额叶皮层前额叶皮层

更多相关视频

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

18.9K
Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
05:36

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

7.6K

相关实验视频

Last Updated: Sep 15, 2025

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
07:03

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice

Published on: July 31, 2019

6.9K
Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

18.9K
Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
05:36

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

7.6K

科学领域:

  • 神经科学是一个神经科学.
  • 认知神经科学 认知神经科学
  • 系统神经科学 系统神经科学

背景情况:

  • 大脑功能依赖于本地网络处理和全球信号,如兴奋.
  • 了解大脑各区域的神经相互作用对于剖析复杂的认知功能至关重要.
  • 单区域记录可能会错过关键的跨区域通信动态.

研究的目的:

  • 在空间记忆任务期间,研究两半球前额叶皮层区域之间的相互作用.
  • 为了区分全球调制信号与局部神经相互作用.
  • 为了揭示被单区域记录限制所掩盖的大脑功能.

主要方法:

  • 在子的前额叶皮质活动的双半球记录.
  • 使用了一种新的统计方法:概率学法定相关性分析与因子分析 (pCCA-FA).
  • 分析了神经元反应的试验到试验的变化,以确定共享的神经信号.

主要成果:

  • 在个别前额叶皮层种群中确定了实质性的共享神经元变异性.
  • 发现这种共享变化的很大一部分在半球之间是常见的.
  • 将这种跨半球的共享变异性与兴奋过程联系起来.

结论:

  • 多区域记录,结合像pCCA-FA这样的先进统计方法,可以揭示大脑功能的隐藏方面.
  • 兴奋显著调节了大脑中遥远区域的神经活动,影响了认知任务.
  • 这项研究为分析大规模神经记录提供了一个框架,以了解大脑范围内的通信.