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相关概念视频

Brain Imaging01:14

Brain Imaging

202
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...
202

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相关实验视频

Updated: May 24, 2025

Effects of Transcranial Alternating Current Stimulation on the Primary Motor Cortex by Online Combined Approach with Transcranial Magnetic Stimulation
11:11

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Published on: September 23, 2017

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在视觉处理中通过TMS诱导的皮层有效连接来解码不对称的神经动力学.

Edoardo Paolini, Ilaria Siviero, Davide Bonfanti

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |March 5, 2025
    PubMed
    概括

    这项研究使用跨磁刺激 (TMS) 和脑电图 (EEG) 来绘制大脑连接. 在左头刺激后,我们发现了明显的逆侧脑信号传播,进步了对神经网络相互作用的理解.

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    A Multimodal Imaging- and Stimulation-based Method of Evaluating Connectivity-related Brain Excitability in Patients with Epilepsy
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    相关实验视频

    Last Updated: May 24, 2025

    Effects of Transcranial Alternating Current Stimulation on the Primary Motor Cortex by Online Combined Approach with Transcranial Magnetic Stimulation
    11:11

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    A Multimodal Imaging- and Stimulation-based Method of Evaluating Connectivity-related Brain Excitability in Patients with Epilepsy
    08:23

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    科学领域:

    • 神经科学是一个神经科学.
    • 认知科学 认知科学
    • 生物物理学的生物物理.

    背景情况:

    • 研究大脑连接对于理解神经网络至关重要.
    • 之前的研究集中在经过跨磁刺激 (TMS) 后头皮水平信号传播.
    • 大脑活动中的半球不对称性是认知功能的关键.

    研究的目的:

    • 将大脑连接的探索扩展到使用TMS-EEG的源级.
    • 研究信号传播动态中的半球不对称性.
    • 分析TMS对神经网络的影响.

    主要方法:

    • 从脑电图 (EEG) 数据中重建的神经活动源.
    • 在有限的试验中使用贝叶斯的方法估计TMS唤起的潜力 (TEP).
    • 计算时间变化的有效连接,以评估信号传播动态.

    主要成果:

    • 在左叶刺激后识别出明显的对侧信号传播.
    • 观察到这种影响延伸到头顶和额叶.
    • 已确认的源级发现与头皮水平的观察结果一致.

    结论:

    • 这项研究促进了对大脑连接动态和半球相互作用的理解.
    • 提供了关于TMS对神经网络的影响的新见解.
    • 突出了TMS-EEG研究中源级分析的有用性.