Jove
Visualize
联系我们

相关概念视频

Association Areas of the Cortex01:21

Association Areas of the Cortex

6.3K
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,...
6.3K
Somatosensory, Motor, and Association Cortex01:24

Somatosensory, Motor, and Association Cortex

921
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
921
Neural Circuits01:25

Neural Circuits

1.6K
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
1.6K
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

4.6K
The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
4.6K
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

529
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...
529

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

Universal dimensions of visual representation.

Science advances·2025
Same author

A Phone in a Basket Looks Like a Knife in a Cup: Role-Filler Independence in Visual Processing.

Open mind : discoveries in cognitive science·2024
Same author

Sources of richness and ineffability for phenomenally conscious states.

Neuroscience of consciousness·2024
Same author

High-performing neural network models of visual cortex benefit from high latent dimensionality.

PLoS computational biology·2024
Same author

Perceived Distance Alters Memory for Scene Boundaries.

Psychological science·2022
Same author

Scene memories are biased toward high-probability views.

Journal of experimental psychology. Human perception and performance·2022
Same journal

Genetic Impacts on Variability of Body Fat Distribution Uncover Gene-Environment and Gene-Gene Interactions.

bioRxiv : the preprint server for biology·2026
Same journal

16S ribosomal RNA modification drives transcript-specific translation efficiency.

bioRxiv : the preprint server for biology·2026
Same journal

FlcE latches onto the FliL-stator complex to turbocharge flagellar motility in <i>Borrelia burgdorferi</i>.

bioRxiv : the preprint server for biology·2026
Same journal

Synaptic pruning, myelination and the emergence of psychiatric disorders in late adolescence.

bioRxiv : the preprint server for biology·2026
Same journal

Structural and functional insights into the Rcs phosphorelay.

bioRxiv : the preprint server for biology·2026
Same journal

The structural basis of RanGAP1 regulation and catalysis in nuclear transport.

bioRxiv : the preprint server for biology·2026
查看所有相关文章
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

相关实验视频

Updated: Sep 12, 2025

Large-scale Three-dimensional Imaging of Cellular Organization in the Mouse Neocortex
09:55

Large-scale Three-dimensional Imaging of Cellular Organization in the Mouse Neocortex

Published on: September 5, 2018

8.5K

卷积架构是 de novo 的皮层对齐.

Atlas Kazemian1, Eric Elmoznino1,2, Michael F Bonner1

  • 1Department of Cognitive Science, Johns Hopkins University, Baltimore, MD, USA.

bioRxiv : the preprint server for biology
|August 6, 2025
PubMed
概括
此摘要是机器生成的。

卷积神经网络 (CNN) 中的建筑诱导偏差是开发皮层对齐的视觉表示的关键,即使训练最小. 这些偏见使得在广泛的经验形成突触连接之前,表征能够出现.

更多相关视频

Visualization of Cortical Modules in Flattened Mammalian Cortices
08:49

Visualization of Cortical Modules in Flattened Mammalian Cortices

Published on: January 22, 2018

13.1K
Targeted Labeling of Neurons in a Specific Functional Micro-domain of the Neocortex by Combining Intrinsic Signal and Two-photon Imaging
11:24

Targeted Labeling of Neurons in a Specific Functional Micro-domain of the Neocortex by Combining Intrinsic Signal and Two-photon Imaging

Published on: December 12, 2012

13.8K

相关实验视频

Last Updated: Sep 12, 2025

Large-scale Three-dimensional Imaging of Cellular Organization in the Mouse Neocortex
09:55

Large-scale Three-dimensional Imaging of Cellular Organization in the Mouse Neocortex

Published on: September 5, 2018

8.5K
Visualization of Cortical Modules in Flattened Mammalian Cortices
08:49

Visualization of Cortical Modules in Flattened Mammalian Cortices

Published on: January 22, 2018

13.1K
Targeted Labeling of Neurons in a Specific Functional Micro-domain of the Neocortex by Combining Intrinsic Signal and Two-photon Imaging
11:24

Targeted Labeling of Neurons in a Specific Functional Micro-domain of the Neocortex by Combining Intrinsic Signal and Two-photon Imaging

Published on: December 12, 2012

13.8K

科学领域:

  • 计算神经科学是一种神经科学.
  • 计算机视觉 计算机视觉
  • 人工智能的人工智能

背景情况:

  • 对于视觉的深度神经网络 (DNN) 中皮层对齐表示的出现尚未完全理解.
  • 之前的研究强调了建筑的限制,但在预培训后,各种建筑的成功使人们质疑了它们的主要重要性.
  • 本研究探讨了DNN中建筑诱导偏差的作用,特别是卷积架构,用于视觉表示开发.

研究的目的:

  • 确定驱动DNN中皮质对齐表示的发展的潜在因素.
  • 评估建筑诱导偏差与预训练在实现视觉表示对齐方面的意义.
  • 识别特定的建筑操纵,促进皮质对齐的表示.

主要方法:

  • 检查了各种架构的DNN,但没有预先培训.
  • 量化了这些网络在灵长类动物和人类视觉皮层中预测图像表示的能力.
  • 研究了空间域压缩 (聚合) 和特征域扩展 (通道增加) 对表示对齐的影响.

主要成果:

  • 具有聚合和特征扩展的卷积架构成功地在没有预先训练的情况下生成了皮质对齐的表示.
  • 这些维度操纵在非卷积架构和具有特定架构修改的卷积模型中效果较差.
  • 卷积网络固有的架构诱导偏差对于功能扩展的性能增长至关重要.

结论:

  • 卷积神经网络 (CNN) 的诱导偏差在开发皮层对齐的视觉表示中发挥着突出作用.
  • 这些架构约束与生物视觉原则相一致,足以允许在经验通过突触调之前出现表示.
  • 研究结果表明,CNN架构是模仿生物视觉处理的重要因素,独立于广泛的训练数据.