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Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
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Actin filaments undergo polymerization and depolymerization from either end. The polymerization and depolymerization rates depend on the cytosolic concentration of free G-actins. The polymerization rate is generally higher at the plus or barbed end, while the depolymerization rate is higher at the minus or pointed end. At a steady state, critical concentration describes the concentration of free G-actin monomers at which the polymerization rate at the plus end is equal to that of the...
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The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
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相关实验视频

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在默认模式网络中,经验的碎片化和多线程化.

Fahd Yazin1, Gargi Majumdar2, Neil Bramley3

  • 1School of Philosophy, Psychology & Language Sciences, University of Edinburgh, Edinburgh, UK. fahd7yazin@gmail.com.

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概括

人类使用不同的大脑区域进行特定的预测,形成模块化的内部世界模型. 这些模型被整合到Precuneus中,塑造了视觉和语言的感知.

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科学领域:

  • 认知神经科学 认知神经科学
  • 神经成像是一种神经成像.
  • 计算精神病学是一种计算精神病学.

背景情况:

  • 内部预测模型是人类认知理论的基础.
  • 这些模型的组织 (模块化与统一) 仍然不清楚.

研究的目的:

  • 调查内部世界建模的神经基础.
  • 为了确定大脑是否使用单独的预测模型或统一的表示.

主要方法:

  • 功能性磁共振成像 (fMRI) 在自然主义的电影观看和叙事倾听期间.
  • 分析不同前额叶皮层 (PFC) 亚区域的预测错误信号.

主要成果:

  • 三个不同的中线PFC区域 (腹中线,腹中线,背中线) 执行特定的预测操作:上下文 (状态),社会 (代理) 和过渡 (行动).
  • 预测错误信号与特定领域的信念更新相关.
  • 平行预测被整合到Precuneus中,影响跨模式的持续经验.

结论:

  • 人类利用抽象的,模块化的预测模型来处理视觉和语言信息.
  • 在全球整合之前,大脑将信息碎片化成抽象的领域,用于世界建模.