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Updated: May 7, 2026

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
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精制信号定位:一种跨磁刺激电机映射方法,用于功能近红外光谱学

Garrett S Black1, Joshua A Dugdale1, Jordan A Borrell1,2

  • 1Bioengineering Program, University of Kansas, Lawrence, KS, United States of America.

Journal of neural engineering
|August 20, 2025
PubMed
概括

功能近红外光谱 (fNIRS) 的准确性通过使用神经导航的跨磁刺激 (TMS) 来绘制单个手动运动区域的地图来提高,从而提高脑成像研究的信号精度.

关键词:
在TMSMS中使用.大脑活动大脑活动在FNIRS中使用.血液动力学反应反应摩托车地图 摩托车地图

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NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences01:17

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

A pulse is a short burst of radio waves distributed over a range of frequencies that simultaneously excites all the nuclei in the sample. Upon passing a radio frequency pulse along the x-axis, the nuclei absorb energy corresponding to their Larmor frequencies and achieve resonance. This shifts the net magnetization vector from the z-axis toward the transverse plane. This angle of rotation of the magnetization vector, or the flip angle, is proportional to the duration and intensity of the pulse.