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相关概念视频

Neuroplasticity01:01

Neuroplasticity

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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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Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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相关实验视频

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Coherence between Brain Cortical Function and Neurocognitive Performance during Changed Gravity Conditions
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太空飞行和地面微重力模拟对认知和大脑可塑性的影响

Jiaqi Hao1, Jun Chang1, Yulin Deng1

  • 1School of Medical Technology, Beijing Institute of Technology, Beijing 100811, China.

International journal of molecular sciences
|October 16, 2025
PubMed
概括

微重力会改变大脑的结构和功能,导致认知缺陷. 未来的研究应该专注于长期航天任务期间宇航员的神经保护.

科学领域:

  • 神经科学是一个神经科学.
  • 太空医学 太空医学
  • 认知科学 认知科学

背景情况:

  • 太空飞行引起的微重力与认知障碍有关.
  • 地上的类似物证实了微重力对大脑结构和神经可塑性的破坏性影响.

研究的目的:

  • 综合目前关于微重力的认知和神经生物学影响的证据.
  • 确定空间任务的研究缺口和潜在的神经保护策略.

主要方法:

  • 对微重力影响的行为,结构,细胞和分子研究的审查.
  • 对神经成像,分子和奥米克数据的分析.

主要成果:

  • 微重力会破坏大脑形态,功能连接和脑脊液动态.
  • 细胞变化包括突触可塑性受损,树突变异,神经递质释放受损.
  • 受影响的分子通路包括神经内分泌信号,神经营养因素,氧化应激和线粒体功能障碍.

结论:

  • 微重力显著影响认知功能和大脑生物学.
  • 需要标准化,纵向的人体研究来澄清机制和翻译相关性.
  • 在长期太空探索期间,开发神经保护策略对于宇航员健康至关重要.
关键词:
认知功能 认知功能微重力中的微重力.神经可塑性 神经可塑性神经成像是一种神经成像.太空飞行的模拟模型突触性可塑性 突触性可塑性

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