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Organization of the Brain01:30

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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.
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The nervous system is one of the most complex systems in our body. It is organized into two main divisions: the central nervous system (CNS) and the peripheral nervous system (PNS).
The CNS, comprising the brain and spinal cord, houses billions of neurons. The brain is housed in the skull, while the spinal cord is linked to the brain through the foramen magnum of the occipital bone and is surrounded by the protective structure of the vertebral column. It is responsible for processing various...
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Lobes of the Cerebrum01:22

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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.
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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...
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Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
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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...
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Microdissection of Mouse Brain into Functionally and Anatomically Different Regions
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Una jerarquía de sistemas para la computación inspirada en el cerebro

Youhui Zhang1,2,3, Peng Qu4,5,6, Yu Ji4,5,6

  • 1Department of Computer Science and Technology, Tsinghua University, Beijing, China. zyh02@tsinghua.edu.cn.

Nature
|October 15, 2020
PubMed
Resumen
Este resumen es generado por máquina.

La computación neuromórfica carece de una jerarquía de sistema universal. Este estudio introduce la "completitud neuromórfica" y una jerarquía del sistema para garantizar la portabilidad del lenguaje de programación y la compatibilidad del hardware para el desarrollo de IA inspirado en el cerebro.

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Área de la Ciencia:

  • Ingeniería informática
  • Inteligencia artificial
  • La neurociencia

Sus antecedentes:

  • La computación neuromórfica, inspirada en el cerebro, ofrece potencial para la ingeniería informática de próxima generación y la inteligencia general artificial.
  • La computación actual inspirada en el cerebro carece de una jerarquía generalizada del sistema y de una comprensión de la integridad, lo que dificulta la compatibilidad entre software y hardware y la productividad del desarrollo.

Objetivo del estudio:

  • Proponer la "completitud neuromórfica" y una jerarquía de sistemas correspondiente para la computación inspirada en el cerebro.
  • Para abordar la falta de portabilidad de lenguaje de programación y compatibilidad de hardware en los sistemas neuromórficos actuales.

Principales métodos:

  • Se introdujo la "completitud neuromórfica", relajando los requisitos de integridad del hardware.
  • Desarrolló una jerarquía de sistemas con un modelo de abstracción de software completo de Turing y una arquitectura neuromórfica abstracta versátil.
  • Software de cadena de herramientas implementado para la ejecución de programas en diversas plataformas de hardware neuromórfico.

Principales resultados:

  • Estableció una jerarquía del sistema que permite la representación y la transformación uniformes del programa para el hardware completo neuromórfico.
  • Se ha demostrado la portabilidad del lenguaje de programación, la integridad del hardware y la viabilidad de la compilación.
  • Se introdujo una nueva dimensión del diseño del sistema a través de la integridad neuromórfica.

Conclusiones:

  • La jerarquía del sistema propuesto y la integridad neuromórfica facilitan el progreso eficiente y compatible en la computación inspirada en el cerebro.
  • Se espera que este marco acelere el desarrollo de diversas aplicaciones, incluida la inteligencia artificial general.