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相关概念视频

Components of Language01:24

Components of Language

316
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.
316
Stability of Substituted Cyclohexanes02:30

Stability of Substituted Cyclohexanes

12.7K
This lesson discusses the stability of substituted cyclohexanes with a focus on energies of various conformers and the effect of 1,3-diaxial interactions.
The two chair conformations of cyclohexanes undergo rapid interconversion at room temperature. Both forms have identical energies and stabilities, each comprising equal amounts of the equilibrium mixture. Replacing a hydrogen atom with a functional group makes the two conformations energetically non-equivalent.
For example, in...
12.7K
Disubstituted Cyclohexanes: cis-trans Isomerism02:37

Disubstituted Cyclohexanes: cis-trans Isomerism

12.0K
Depending upon the different spatial orientation of the substituents, the disubstituted cycloalkanes exhibit two types of stereoisomers. The cis isomers have the substituents on the same side of the ring, whereas the trans isomers have the substituents on the opposite sides. These stereoisomers exhibit different physical properties and cannot be interconverted without breaking the carbon-carbon bonds.
In cyclohexane, the substituents can occupy different positions generating distinct isomers....
12.0K
Additional Subnuclear Structures02:10

Additional Subnuclear Structures

2.1K
2.1K
Language and Cognition01:27

Language and Cognition

374
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.
374
Cis-regulatory Sequences02:02

Cis-regulatory Sequences

3.0K
3.0K

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相关实验视频

Updated: Jul 17, 2025

Comparing the Frequency Effect Between the Lexical Decision and Naming Tasks in Chinese
08:08

Comparing the Frequency Effect Between the Lexical Decision and Naming Tasks in Chinese

Published on: April 1, 2016

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SUBTLEX-CY:威尔士语的一个新的词频数据库.

Walter Jb van Heuven1, Joshua S Payne2, Manon W Jones3

  • 1School of Psychology, University of Nottingham, Nottingham, UK.

Quarterly journal of experimental psychology (2006)
|August 31, 2023
PubMed
概括

新的威尔士语单词频率数据库SUBTLEX-CY提供了比Cronfa Electroneg o更可靠的估计.

科学领域:

  • 语言学的语言学.
  • 计算语言学 计算语言学
  • 心理语言学 心理语言学

背景情况:

  • 现有的威尔士语单词频率数据库,如Cronfa Electroneg o'r Gymraeg (CEG),可能会提供不一致的频率估计.
  • 准确的单词频率数据对于各种语言和认知研究至关重要.

研究的目的:

  • 推出SUBTLEX-CY,这是威尔士语的一个新词频率数据库.
  • 评估SUBTLEX-CY频率估计的可靠性与现有的威尔士公司相比.

主要方法:

  • 一个3200万字的威尔士语电视字幕库被用来创建SUBTLEX-CY.
  • 一个词汇决策任务将SUBTLEX-CY频率估计与CEG和其他数据库的估计进行了比较.
  • 对CEG中被归类为高频 (HF) 词的反应时间和两种数据库中中频 (MF) 词的反应时间进行了分析.

主要成果:

  • 在CEG中被归类为HF,但在SUBTLEX-CY中被归类为MF的单词显示反应时间较慢,这表明CEG中频率估计不太可靠.
  • SUBTLEX-CY显示了更一致和可靠的单词频率估计.

结论:

  • SUBTLEX-CY为威尔士语单词频率提供了一个更准确,更可靠的资源.
关键词:
威尔士人的威尔士语视觉文字识别 视觉文字识别单词的频率 词的频率

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  • 数据库包括有价值的词汇信息,如语音部分和语境多样性.
  • SUBTLEX-CY可以免费使用,用于研究开放科学框架.