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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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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.
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相关实验视频

Updated: Jun 29, 2025

Multiple-mouse Neuroanatomical Magnetic Resonance Imaging
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同时使用光学送磁力计对脊椎和大脑进行成像.

Lydia C Mardell1, Meaghan E Spedden2, George C O'Neill2

  • 1Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, WC1N 3BG, UK.

Journal of neuroscience methods
|April 7, 2024
PubMed
概括

研究人员开发了使用可穿戴传感器的磁脑电图 (MSEG),以同时记录人类大脑和脊髓活动. 这一突破允许同时对两个中枢神经系统组件进行非侵入性成像.

关键词:
皮层-脊柱相互作用磁性脊柱脑电图 (magnetospinoencephalography) 是一种磁性脊柱脑电图.脊髓是指脊髓中的一些部分.可穿戴的MEG可以穿戴.

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科学领域:

  • 神经科学是一个神经科学.
  • 生物物理学的生物物理.
  • 生物医学工程 生物医学工程

背景情况:

  • 人类的运动和感觉依赖于脊髓与大脑的相互作用.
  • 由于可访问性挑战,脊髓电生理学研究不足.
  • 关于人类脊髓病态及其对大脑影响的知识有限.

研究的目的:

  • 引入一种用于同时测量大脑和脊髓电生理学的新系统.
  • 为了克服研究人类脊髓功能非侵入性的局限性.
  • 为了使中央神经系统活动的同时成像.

主要方法:

  • 使用可穿戴光学送磁力计 (OPM).
  • 开发了带有定制扫描件的磁脑电图 (MSEG).
  • 实现了灵活的传感器布局,以覆盖大脑和脊髓.

主要成果:

  • 成功记录了脊髓和皮层引起的对中枢神经刺激的反应.
  • 检测到早期 (10-15 ms) 和晚期 (>20 ms) 的脊柱反应.
  • 观察到典型的皮层引起的反应 (N20).

结论:

  • MSEG 能够同时,非侵入性地,在毫秒级别对大脑和脊髓进行成像.
  • 该系统验证了早期的脊髓引起的反应,与现有的方法相比.
  • 这项技术推动了人类神经生理学和相关病理学的研究.