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相关概念视频

Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

793
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...
793
Language and Cognition01:27

Language and Cognition

342
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.
342
Language Development01:22

Language Development

341
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...
341
Hearing01:31

Hearing

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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相关实验视频

Updated: Jun 25, 2025

Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
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Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology

Published on: June 29, 2021

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在语言理解过程中,先前的背景和个体的阿尔法频率影响预测处理.

Sophie Jano1, Zachariah R Cross2, Alex Chatburn1

  • 1University of South Australia.

Journal of cognitive neuroscience
|May 31, 2024
PubMed
概括
此摘要是机器生成的。

大脑活动表明语言预测是灵活的,而不是固定的. 句子中的惊喜会影响大脑的反应,特别是当先前的背景不太可预测时,突出了我们处理语言的方式的个体差异.

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Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
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Infant Auditory Processing and Event-related Brain Oscillations
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Infant Auditory Processing and Event-related Brain Oscillations

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相关实验视频

Last Updated: Jun 25, 2025

Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
05:38

Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology

Published on: June 29, 2021

2.4K
Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects
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Infant Auditory Processing and Event-related Brain Oscillations

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科学领域:

  • 认知神经科学 认知神经科学
  • 心理语言学 心理语言学
  • 神经成像是一种神经成像.

背景情况:

  • 大脑预测即将到来的语言的能力是有争议的.
  • 之前的研究对语言理解过程中的预测处理产生了相互矛盾的结果.

研究的目的:

  • 重新分析现有的关于神经对可预测和不可预测词语反应的数据.
  • 研究词汇惊喜和个体神经因素在语言预测中的作用.

主要方法:

  • 从356名参与者重新分析了EEG数据,这些参与者处理的句子的单词可预测性各不相同.
  • 测量与事件相关的潜力 (ERP),包括语义预测潜力和N400.
  • 对ERP与cloze概率和词汇惊喜进行比较.

主要成果:

  • 语义预测潜在幅度与cloze概率没有相关.
  • 文章中的N400振幅随着文章的惊喜而增加,但只有当先前的背景不那么可预测时.
  • 个体α频率调节了surprisal和N400之间的关系.

结论:

  • 语义预测潜力可能不反映自然语言处理中的预测.
  • 语言预测是灵活的,取决于上下文,并受到个体神经特征的影响.
  • 神经认知模型应该考虑到预测性语言处理的动态性和特定主体性质.