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相关概念视频

Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

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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....
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Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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相关实验视频

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Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
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灵长类视觉皮层中的活动最小程度上是由自发运动驱动的.

Bharath Chandra Talluri1, Incheol Kang1, Adam Lazere1

  • 1Laboratory of Sensorimotor Research, National Eye Institute, National Institutes of Health, Bethesda, MD, USA.

Nature neuroscience
|October 12, 2023
PubMed
概括

灵长类的视觉皮层活动最少是由自发的身体运动驱动的. 相反,与运动相关的调制主要是由于视觉输入的变化,这表明了特定物种的感觉运动策略.

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Author Spotlight: Deciphering Neural Circuit Formation from Two-Photon Microscopy and Single Neuron Imaging
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Injections of AAV Vectors for Optogenetics in Anesthetized and Awake Behaving Non-Human Primate Brain
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科学领域:

  • 神经科学是一个神经科学.
  • 系统神经科学 系统神经科学
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 在神经科学和机器人学中,体现,即处理与身体运动相关的感官信息,至关重要.
  • 以前在小鼠身上进行的研究表明,由自发运动驱动的全脑神经调节,包括视觉皮层.

研究的目的:

  • 研究灵长类动物视觉皮层活动是否受到动物自身自发的身体运动的调节.
  • 为了比较灵长类动物的发现与实体化小鼠研究中观察到的结果.

主要方法:

  • 同时记录的视觉皮层 (V1,V2,V3/V3A) 活动和面部/身体运动.
  • 分析以确定运动驱动的调制是否独立于视觉输入变化.

主要成果:

  • 灵长类动物视觉皮层活动与动物运动有关.
  • 这种关联在很大程度上可以通过运动对视网膜图像 (视觉输入) 的影响来解释.

结论:

  • 灵长类的视觉皮层是最小的由自发运动驱动.
  • 研究结果表明,与动物相比,灵长类动物具有特定物种的感觉运动策略.