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在跨磁刺激 (TMS) 中,线圈定向和刺激值

Shaghayegh Abbasi, Matt David, Vincent Leung

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

概括

优化跨磁刺激 (TMS) 需要了解线圈的方向. 这项研究使用了多尺度建模来找到神经元激活的最佳TMS线圈方向,用现有数据验证发现.

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
计算生物学计算生物学

背景情况:

跨磁刺激 (TMS) 是治疗精神障碍和研究大脑功能的一种临床工具.
优化TMS刺激参数,如线圈方向,对于提高治疗疗效至关重要.
目前对线圈方向如何影响TMS刺激值的理解尚不完整.

研究的目的:

研究线圈方向对神经元激活的TMS刺激值的影响.
为了确定不同TMS线圈电流脉冲形状和宽度的最佳线圈方向.
用先前公布的实验数据验证发现.

主要方法:

采用了多尺度建模方法,将人类大脑皮层的宏观模型与5层金字塔神经元的微观模型集成在一起.
对左侧主要运动皮层区域进行了模拟.
该研究分析了各种TMS线圈电流脉冲形状和宽度.

主要成果:

确定了减少神经元激活的TMS刺激值的特定线圈方向.
建模方法成功预测了最佳的线圈方向.
模拟结果与另一个研究小组的实验数据进行了验证.

结论:

多尺度建模是预测和绘制最佳TMS线圈方向的多功能工具.
这种方法可以应用于各种电流脉冲和线圈位置,用于各种治疗应用.
了解最佳的线圈方向是提高临床实践中TMS疗效的关键.

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相关概念视频

Brain Imaging

Brain Imaging

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 Stimulation (TMS).