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相关概念视频

Language and Cognition01:27

Language and Cognition

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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.
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Long-term Depression01:05

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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
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大胆的长期时间相关性反映了语言和抑郁症的变化,跨越了密集的失语治疗.

Anna-Thekla P Jäger1,2,3, Christopher J Steele3,4, Felix R Dreyer5

  • 1Charité Universitätsmedizin, Charité, Berlin, Germany (A.-T.P.J.).

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概括

强化语言治疗改善了慢性中风后失言症患者的语言和情绪. 大脑活动中长距离时间相关性 (LRTC) 的变化反映了这些改善,特别是在右半球区域.

关键词:
亚法西亚 (aphasia) 是一种失言症.抑郁 抑郁症 抑郁症 抑郁症 抑郁症微分数是什么? 微分数是什么?语言语言语言语言语言语言.磁共振成像技术的使用神经元可塑性 神经元可塑性一次性中风中风中风中风中风

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科学领域:

  • 神经科学是一个神经科学.
  • 认知康复 认知康复 认知康复
  • 脑部成像 脑部成像

背景情况:

  • 慢性中风后失语症在语言缺陷和抑郁症方面提出了挑战.
  • 强化语言动作疗法的基础的神经机制尚未完全理解.
  • 大脑活动的长距离时间相关性 (LRTC) 可能与学习和抑郁有关.

研究的目的:

  • 调查血液氧化水平依赖性 (BOLD) LRTC 响应强化语言动作疗法的变化.
  • 检查LRTC变化与语言功能和情绪的改善之间的关系.
  • 确定参与治疗诱导的神经可塑性的大脑区域.

主要方法:

  • 功能磁共振成像 (fMRI) 用于评估16名患者治疗前后的BOLD LRTC.
  • 使用了被动阅读fMRI范式和阻断波动分析.
  • 统计分析包括反复测量ANCOVA和相关性分析,控制年龄,病变大小,中风后的时间和治疗强度.

主要成果:

  • 在LRTC的变化与语言表现的改善相关,在右边的,域-一般,和记忆区域.
  • 抑郁症症状的变化也与右边里西尔维亚区域的LRTC变化有关.
  • 年龄影响了LRTC变化,年轻患者显示减少,老年患者显示增加.

结论:

  • 在治疗期间的LRTC变化反映了慢性中风后失语症中语言和情绪的同时改善.
  • 右边的周边和总域区域对于神经可塑性和语言康复至关重要.
  • LRTC可以作为跟踪治疗诱导的神经可塑性的生物标志物,并突出了认知和情绪恢复之间的联系.