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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

914
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...
914
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
Lateralization01:28

Lateralization

363
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.
363
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

474
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
474

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相关实验视频

Updated: Jul 18, 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 Hartwigsen, Jae-Sung Lim, Hee-Joon Bae

    bioRxiv : the preprint server for biology
    |August 23, 2023
    PubMed
    概括

    卒中幸存者经常面临语言和执行功能缺陷. 这项研究揭示了与这些损伤有关的独特的大脑区域,为有针对性的中风康复铺平了道路.

    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:

    • 卒中是长期残疾的主要原因,导致语言和执行功能障碍等认知障碍.
    • 了解在中风后这些明显的认知缺陷背后的特定大脑基质对于有效治疗至关重要.
    • 目前关于中风后语言和执行控制障碍之间的共同点和差异的知识仍然有限.

    研究的目的:

    • 在一大批中风患者中,解剖语言和执行控制障碍的明显神经相关性.
    • 为了调查半球对继缺血性脑损伤后认知缺陷的贡献.
    • 为了识别脑损伤的模式与特定的认知形状相关的中风后的脑损伤.

    主要方法:

    • 在一大群1080名中风患者中使用贝叶斯的等级建模方法.
    • 分析了缺血组织损伤与认知表现之间的关系,区分左半球和右半球贡献.
    • 确定了四个不同的认知因素,反映了认知的不同方面,以及它们与损伤位置的关联.

    主要成果:

    • 四个认知因素出现,区分左半球和右半球对中风相关的大脑损伤的贡献.
    • 语言和一般认知表现主要与左半球前额和皮层病变有关.
    • 执行控制和视觉结构能力与右半球后皮层损伤有关.

    更多相关视频

    Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
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    Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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    Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping

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    相关实验视频

    Last Updated: Jul 18, 2025

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    14.8K
    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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    Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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    Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping

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  • 在执行语音和口头记忆中观察到的语言和执行控制之间的相互作用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.
    • 左半球和右半球脑损伤的不同模式与特定的认知缺陷有关.
    • 这项研究为开发特定小组中风恢复治疗方案提供了基础.