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相关概念视频

Language and Cognition01:27

Language and Cognition

338
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.
338
Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

774
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...
774
Brain Waves01:23

Brain Waves

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Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:
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相关实验视频

Updated: Jun 14, 2025

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
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泰达波段神经振荡反映了语言处理期间的认知控制.

Tal Ness1, Valerie J Langlois1, Jared M Novick1

  • 1Department of Hearing and Speech Sciences, University of Maryland.

Journal of experimental psychology. General
|September 5, 2024
PubMed
概括

神经度波段振荡提供了语言处理过程中认知控制的实时测量. 这种快速的大脑活动有助于解决理解句子时遇到的相互矛盾的线索.

科学领域:

  • 神经科学是一个神经科学.
  • 心理语言学 心理语言学
  • 认知科学 认知科学

背景情况:

  • 语言理解包括解决相互矛盾的线索.
  • 认知控制有助于解决冲突,但其实时参与不清楚.
  • 神经振荡,特别是太频段,与非语言任务中的认知控制有关.

研究的目的:

  • 为了研究达频段振荡是否可以作为语言处理过程中认知控制的实时指数.
  • 为了确定认知控制参与句子理解的时间进程.
  • 要区分冲突驱动的处理与一般的处理困难.

主要方法:

  • 来自四个数据集的脑电图 (EEG) 数据的时间频率分析.
  • 检查响应语言冲突时的太频段功率 (∼3-8 Hz).
  • 将语言冲突引起的theta活动与非冲突处理困难进行比较.

主要成果:

  • 在语言冲突期间,始终观察到泰达波段功率的增加.
  • 句子内的较大冲突导致了theta活动的较大增加.
  • 这些theta效应迅速出现,大约300毫秒,表明快速的认知控制招募.
  • 仅仅是语义不合理性并没有引起显著的theta活动.

更多相关视频

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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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Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice
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Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

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结论:

  • 泰达波段神经振荡提供了一个可靠的实时指数,语言理解期间的认知控制.
  • 这一发现为研究心理语言学中认知控制的时间动态提供了一种新的方法.
  • 认知控制在句子处理过程中迅速参与解决表示冲突.