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相关概念视频

Brain Imaging01:14

Brain Imaging

662
Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
662

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相关实验视频

Updated: Jan 14, 2026

Combining Transcranial Magnetic Stimulation and fMRI to Examine the Default Mode Network
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结构功能性大脑网络调制使用超焦超声波刺激:对人类默认模式网络的影响

Chang-Hyun Park1, Song E Kim2, Yun Seo Choi3

  • 1Artificial Intelligence Convergence Graduate Program, Ewha Womans University, Seoul, South Korea.

NeuroImage
|October 19, 2025
PubMed
概括
此摘要是机器生成的。

超焦超声波 (tFUS) 可以调节大脑网络. 这项研究发现,针对中间前额叶皮层的特定刺激性tFUS协议可以在默认模式网络中增强结构-功能合.

关键词:
默认模式的网络模式是默认模式.中部前额叶皮层中部前额叶皮层.神经调节是一种神经调节.结构-功能对应性对应性超的聚焦超声波超声波是什么?

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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.
  • 生物医学工程 生物医学工程
  • 非侵入性大脑刺激

背景情况:

  • 超焦超声波 (tFUS) 提供精确,深度的大脑刺激.
  • 了解tFUS的网络调制能力和最佳参数至关重要.
  • 中间前额叶皮层 (mPFC) 是默认模式网络 (DMN) 的关键.

研究的目的:

  • 通过针对mPFC,研究tFUS对DMN的影响.
  • 确定不同的超声波参数是否会调节DMN.
  • 评估tFUS对大脑网络内的结构功能对应的影响.

主要方法:

  • 21名健康参与者接受了针对mPFC的刺激性,抑制性或虚假tFUS.
  • 扩散权重MRI和休息状态功能性MRI评估了大脑连接体.
  • 在tFUS后的组间对结构-功能对应的变化进行了比较.

主要成果:

  • 在刺激和抑制刺激后,tFUS通常在mPFC附近增加结构功能合.
  • 刺激性tFUS显著增强了DMN内的结构-功能对应.
  • 该研究确定了有效调节DMN的特定tFUS参数.

结论:

  • 优化的tFUS协议可以有效调节默认模式网络.
  • 研究结果为精制tFUS用于脑网络干预提供了洞察力.
  • tFUS显示出作为神经疾病的非侵入性治疗工具的潜力.