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相关概念视频

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Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
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Post-traumatic Stress Disorder01:27

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Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
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In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
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神经创伤:2022年更新

David S Priemer1,2,3, Daniel P Perl1,2

  • 1The Department of Defense/Uniformed Services University Brain Tissue Repository, Bethesda, MD, USA.

Free neuropathology
|June 7, 2023
PubMed
概括

2021年,研究推进了慢性创伤性脑病变 (CTE) 和创伤性脑病变综合征的诊断. 新的发现表明TBI可以诱导神经毒性乙化,其减少是神经保护性的.

关键词:
慢性创伤性脑病变是一种慢性创伤性脑病变.扩散性轴突损伤是指扩散性轴突损伤.接口星质痕 在星质痕.多维核磁共振 (MRI) 是一种多维的核磁共振.塔乌·塔乌 (Tau Tau) 是一个创伤性脑损伤是一种创伤性脑损伤.

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科学领域:

  • 神经科学是一个神经科学.
  • 神经病理学神经病理学
  • 创伤性脑损伤研究研究

背景情况:

  • 2021年在理解神经创伤及其相关神经病理学方面取得了重大进展.
  • 在诊断慢性创伤性脑病变 (CTE) 和创伤性脑病症综合征 (TES) 方面取得了进展.
  • 进一步调查了创伤性脑损伤 (TBI) 对普通人口的长期影响及其与CTE病理学的联系.

研究的目的:

  • 审查和强调从2021年起在神经创伤和神经病理学方面的有影响力的研究.
  • 讨论关于乙化蛋白在TBI中的作用的新发现.
  • 总结诊断TBI相关疾病的进展,并了解其神经病理基础.

主要方法:

  • 2021年发表的关于神经创伤的研究的文献综述.
  • 对TBI后的乙化陶蛋白诱导和神经毒性研究的分析.
  • 检查使用先进成像技术 (如多维MRI) 进行TBI诊断的研究.
  • 对放射学和神经病理学相关性研究的审查.

主要成果:

  • 发表了关于CTE和TES诊断的共识论文.
  • 经证实,TBI诱导了神经毒性乙化陶,通过降低它可以产生潜在的神经保护作用.
  • 通过使用多维MRI识别了扩散轴突损伤的特定特征.
  • 放射学研究证实TBI后长期存在的结构性脑损伤.

结论:

  • 2021年的研究提供了对TBI诊断,神经病理学和潜在治疗点的关键见解.
  • 鉴定乙化的作用和扩散轴突损伤成像技术的进步是有希望的.
  • 对神经病理相关性的持续强调对于理解TBI后续至关重要.