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相关概念视频

Language and Cognition01:27

Language and Cognition

688
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.
688
Components of Language01:24

Components of Language

721
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.
721
Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

3.3K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
3.3K
Language Development01:22

Language Development

804
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
804
Encoding01:19

Encoding

715
Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
715
Language01:16

Language

859
Language is a unique communication system that uses words and systematic rules to organize and transmit information. Unlike other forms of communication, which may involve postures, movements, odors, or vocalizations, language relies on symbols and grammar. This makes human communication distinct from that of other species, who also communicate but do not use language in the same way humans do.
Corballis and Suddendorf (2007) and Tomasello and Rakoczy (2003) highlight the role of language in...
859

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相关实验视频

Updated: Jan 9, 2026

Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
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语言表示和处理中的核心词汇

Andrew Wang1, Simon De Deyne1, Meredith McKague1

  • 1Complex Human Data Hub, University of Melbourne.

Cognitive science
|December 10, 2025
PubMed
概括
此摘要是机器生成的。

研究人员利用心理语言学措施探索了核心词汇. 语义网络中的中心性在猜测目标单词方面比单词频率或获取年龄更有效.

关键词:
收购年龄 收购年龄核心词汇的核心词汇分布式语义模型的分布式语义模型.词汇的关联 词汇的关联单词的频率 词的频率

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相关实验视频

Last Updated: Jan 9, 2026

Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
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科学领域:

  • 心理语言学 心理语言学
  • 认知心理学 认知心理学
  • 计算语言学 计算语言学

背景情况:

  • 定义核心词汇对于理解语言的获取和处理至关重要.
  • 之前的研究往往忽略了关于核心词的重要性的心理观点.
  • 常用的是诸如单词频率和获取年龄之类的心理语言测量,但可能无法完全捕捉到人类语言认知.

研究的目的:

  • 定义和比较核心词汇的三个心理语言指标:单词频率,获取年龄和语义网络的中心性.
  • 为了评估这些核心单词如何预测人类在一个词猜测任务中的表现.
  • 确定哪种心理语言测量最能反映人类语言处理和语义记忆.

主要方法:

  • 进行了两项实验,涉及1000名参与者玩一个猜字游戏.
  • 用词频率,获取年龄和语义网络中心性定义的核心词作为提示和目标.
  • 在各种实验条件下分析猜测准确度和速度.

主要成果:

  • 核心单词作为提示并没有很高的效果.
  • 当暗示在核心集之外时,核心单词更好地被猜测为目标.
  • 根据语义网络中心性定义的目标被更有效地猜测,而不是基于单词频率或获取年龄的目标.
  • 在不同的分析和实验设置中,研究结果一致.

结论:

  • 语义网络的中心性是人类语言处理中核心词汇的更强大的指标,而不是传统的语言指标.
  • 这些发现对语义记忆表示和处理模型有重大影响.
  • 未来的研究应该在定义人类核心词汇时考虑基于网络的指标.