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相关概念视频

Role of Amygdala in Memory01:16

Role of Amygdala in Memory

280
The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
One of the...
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Functional Brain Systems: Limbic System01:15

Functional Brain Systems: Limbic System

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The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
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相关实验视频

Updated: Jul 16, 2025

Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity
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灰色空间和默认模式网络-杏仁体连接性

Julia C Harris1, Michael T Liuzzi1, Carlos Cardenas-Iniguez2

  • 1Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States.

Frontiers in human neuroscience
|September 15, 2023
PubMed
概括
此摘要是机器生成的。

暴露于灰色空间,如混凝土和街道,与青少年桃体-默认模式网络 (DMN) 连接性增加有关. 这一发现表明了情绪失调的潜在风险,并为建筑环境的公共政策提供了信息.

关键词:
阿米格达拉的桃体默认模式网络模式 默认模式网络模式功能磁力共振成像 (fMRI) 是一种灰色空间是一个灰色空间.休息状态 休息状态

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相关实验视频

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科学领域:

  • 神经科学是一个神经科学.
  • 环境健康 环境健康
  • 发展心理学 发展心理学

背景情况:

  • 建筑环境影响健康,并可能加剧差距.
  • 灰色空间 (例如,不透气的表面) 暴露是与城市化相关的负面因素.
  • 有限的研究存在于灰色空间对青少年认知功能的影响.

研究的目的:

  • 调查青少年灰色空间和杏仁体默认模式网络 (DMN) 连接之间的关联.
  • 探索建筑环境与涉及情绪处理的神经通路之间的潜在联系.

主要方法:

  • 利用了ABCD研究中的10,144名年轻人的数据.
  • 使用儿童机会指数 (COI) 测量灰色空间.
  • 采用线性混合效应模型来分析灰色空间和杏仁体-DMN连接,并对种族进行敏感性分析.

主要成果:

  • 较大的灰色空间暴露与左桃体-DMN连接性增加显著相关 (p=0.0001).
  • 在控制了种族之后,这种关联仍然很重要.
  • 杏仁体-DMN连接和内部化/外部化症状之间没有发现显著的相关性.

结论:

  • 灰色空间暴露可能与神经连接的改变有关,这可能会增加年轻人情绪失调的风险.
  • 神经成像发现可能表明早期失调尚未明显的行为结果.
  • 调查结果可以为旨在改善城市生活环境的公共政策提供信息.