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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

796
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...
796
Language and Cognition01:27

Language and Cognition

343
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.
343
Lateralization01:28

Lateralization

327
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.
327
Neural Regulation01:37

Neural Regulation

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Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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相关实验视频

Updated: Jun 27, 2025

Examining Bilingual Language Control Using the Stroop Task
05:31

Examining Bilingual Language Control Using the Stroop Task

Published on: February 26, 2020

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贝叶斯模型解开了语言与执行控制的对比:中风中的执行控制中断.

Gesa Hartwigsen1,2, Jae-Sung Lim3, Hee-Joon Bae4

  • 1Wilhelm Wundt Institute for Psychology, Leipzig University, 04109 Leipzig, Germany.

Brain communications
|May 6, 2024
PubMed
概括

脑卒中引起的脑损伤会影响认知,影响语言和执行功能. 这项研究在1080名患者中使用贝叶斯模型将特定的大脑病变位置与明显的认知缺陷联系起来,揭示了半球专业化.

关键词:
控制 控制 控制 控制域名-一般性 域名-一般性横向化 (lateralization) 是一种侧向化.伤口的伤口是一个伤口.演讲 演讲 演讲 演讲

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Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
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Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia

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Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
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Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients

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相关实验视频

Last Updated: Jun 27, 2025

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Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
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科学领域:

  • 神经科学是一个神经科学.
  • 认知心理学 认知心理学
  • 神经学 神经学

背景情况:

  • 脑卒中是长期残疾的主要原因,经常导致语言和执行功能持续认知缺陷.
  • 了解中风后语言与执行控制的不同且重叠的障碍对于有效治疗至关重要.
  • 现有的研究还没有完全说明中风拓与这些特定认知缺陷之间的关系.

研究的目的:

  • 通过使用先进的统计建模,与中风拓学相关的语言和执行控制障碍进行脱.
  • 在大规模中风患者队列中识别不同的认知因素及其与特定脑损伤位置的关联.
  • 阐明受中风影响的认知功能的半球专业化.

主要方法:

  • 在1080名中风患者的队列中使用贝叶斯的层次模型方法.
  • 使用全面的神经心理测试电池评估认知功能,包括全球认知,语言,执行功能,视觉空间技能和记忆的测量.
  • 采用多变量因子分析,从损伤拓学预测的结果得分中提取不同的认知因素.

主要成果:

  • 确定了四种不同的认知因素,区分左半球和右半球对缺血病变的贡献.
  • 语言和一般认知表现主要与左半球前额叶和皮损伤有关.
  • 执行控制功能与右半球后皮质损伤密切相关,而执行语言和口头记忆障碍主要与左半球病变有关.

结论:

  • 研究结果强调了半球专业化对中风后认知功能的因果关系.
  • 该研究提供了一个详细的地图,说明特定的脑损伤位置如何与不同的认知缺陷有关.
  • 结果为开发更有针对性,特定于子组的中风幸存者的治疗方案铺平了道路.