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相关概念视频

Lateralization01:28

Lateralization

965
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
965
Symmetry01:26

Symmetry

167
The equation of an ellipse centered at the origin defines all points whose distances from the center maintain a constant ratio between the horizontal and vertical axes. This equation results in a smooth, closed curve that extends further along the x-axis than the y-axis, giving it a horizontal orientation. Such an ellipse demonstrates three kinds of symmetry: across the x-axis, across the y-axis, and about the origin. These symmetries are essential in understanding the graph's structure and...
167
Language and Cognition01:27

Language and Cognition

711
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
711
Components of Language01:24

Components of Language

750
Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs.
750
Classification of Systems-I01:26

Classification of Systems-I

549
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
549
Classification of Systems-II01:31

Classification of Systems-II

457
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
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相关实验视频

Updated: Jan 16, 2026

Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms
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Defining the Role Of Language in Infants' Object Categorization with Eye-tracking Paradigms

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跨语言的类别系统中的对称性.

Charles Kemp1

  • 1Melbourne School of Psychological Sciences, University of Melbourne, Victoria, Australia. c.kemp@unimelb.edu.au.

Nature communications
|January 14, 2026
PubMed
概括

对称性影响语言如何分类经验,预测类别数. 跨语言数据显示,代词和时态系统通常具有奇异的类别,而季节,月相,亲属关系和方向则偏爱偶数类别.

科学领域:

  • 语言学的语言学.
  • 认知科学 认知科学
  • 人类学是人类学.

背景情况:

  • 语言通过分类来塑造人类经验.
  • 跨语言的比较揭示了分类的普遍原则.
  • 对称性被提出为影响类别系统结构的基本原则.

研究的目的:

  • 提出一种基于对称性的理论,预测语言系统中的类别数量.
  • 测试这个理论与来自不同领域的跨语言数据对比.
  • 研究对称性对不同语言和领域的分类的影响.

主要方法:

  • 开发了一个基于对称性的理论来预测类别数 (偶数/奇数).
  • 对多个领域的现有跨语言数据集进行分析.
  • 将理论预测与类别系统的经验数据进行比较.

主要成果:

  • 代言日命名和时代标记系统主要表现出奇数的类别.
  • 季节,月相,亲属关系和枢纽方向的类别系统往往有偶数的类别.
  • 这些发现支持提出的基于对称性的理论.

结论:

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  • 对称性显著影响跨语言分类系统的结构.
  • 这项研究提供了一个普遍原则的证据,该原则塑造了人类如何组织经验.
  • 对称原则为理解语言分类提供了一个预测框架.