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相关概念视频

Functional Groups02:45

Functional Groups

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Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
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Functional Groups02:45

Functional Groups

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Functionalism01:11

Functionalism

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William James, John Dewey, and Charles Sanders Peirce were instrumental in founding functional psychology, which draws heavily from Darwin's theory of evolution by natural selection. This theory suggests that individual traits, including behaviors, are adapted to their environments through natural selection. At the heart of functionalism is the concept of adaptation, meaning that a trait enhances an individual's chances of survival and reproduction.
James envisioned psychology's...
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Mechanical Protein Functions01:58

Mechanical Protein Functions

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Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical forces and proteins that are subjected to mechanical forces. Proteins providing mechanical support to the structure of the cell, such as keratin, are subjected to mechanical force, whereas proteins involved in cell movement and transport of molecules across cell membranes, such as an ion pump, are examples of generating mechanical force. 
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Structural Protein Function01:56

Structural Protein Function

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Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to...
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Hyperbolic Functions01:25

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A flexible cable suspended between two points at the same height naturally forms a curve known as a catenary. This shape results from the balance between the cable’s weight and the tension acting along its length, representing a state of mechanical equilibrium. Unlike simpler approximations, the true shape of a hanging cable is described using hyperbolic functions.Hyperbolic functions are closely related to exponential functions and are named for their connection to the geometry of the...
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A Simple Composite Phenotype Scoring System for Evaluating Mouse Models of Cerebellar Ataxia
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共识文件:小脑功能模型

Shinji Kakei1, Andreea C Bostan2, Timothy J Ebner3

  • 1Department of Anatomy and Physiology, Jissen Women's University, Tokyo, 191-8510, Japan. kakei-shinji@jissen.ac.jp.

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概括
此摘要是机器生成的。

小脑是小脑的组成部分.

关键词:
阿塔克西亚 (Ataxias) 是一种动作.大脑小部分的大脑小部分前进模型的模型.卡尔曼过器的使用预测 预测 预测小脑认知-情感综合征

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科学领域:

  • 神经科学是一个神经科学.
  • 大脑小叶的功能
  • 大脑电路的大脑电路

背景情况:

  • 从历史上看,小脑仅与运动控制有关.
  • 新出现的证据现在表明小脑与认知,情感和自主功能有关.
  • 小脑和基底腺被认为是具有相反功能的独立运动中心.

研究的目的:

  • 提出一个小脑的新功能模型.
  • 在统一的预测计算框架下整合运动和非运动功能.
  • 为了解决小脑结构统一性和功能多样性之间的明显矛盾.

主要方法:

  • 关于小脑 - 基底腺节连接的最新神经解剖学研究的综述.
  • 单个神经元记录和无活化研究的分析.
  • 综合现有数据,提出一个新的理论模型.

主要成果:

  • 已经发现了小脑和基底腺节之间的新解剖联系.
  • 小脑的作用超出了运动控制范围,包括奖励处理和认知功能.
  • 有证据表明,小脑可能参与强化学习,挑战以前的假设.

结论:

  • 需要一个新的,统一的模型来解释小脑的各种功能.
  • 小脑电路,包括其独特的解剖学,支持跨动力和非动力领域的预测计算.
  • 了解小脑 - 基底的相互作用对于破译小脑和精神疾病至关重要.