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相关概念视频

Brain Imaging01:14

Brain Imaging

197
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...
197

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相关实验视频

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Brain-Computer Interface-controlled Upper Limb Robotic System for Enhancing Daily Activities in Stroke Patients
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内血管大脑计算机接口的进步:系统性审查和未来的影响.

Julien Ognard1, Gerard El Hajj2, Onam Verma3

  • 1Department of Radiology, Mayo Clinic, Rochester, MN, USA; Univ Brest, LATIM, INSERM UMR1101, CHU Brest, France.

Journal of neuroscience methods
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概括

血管内脑电脑接口 (BCI) 提供了一种使用神经信号控制设备的不那么侵入性的方法. 早期的研究表明,在患者中取得了有希望的结果,但需要更多的研究才能更广泛地使用.

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科学领域:

  • 生物医学工程 生物医学工程
  • 神经科学是一个神经科学.
  • 医疗技术 医疗技术 医学技术

背景情况:

  • 大脑-计算机接口 (BCI) 将神经活动转化为命令.
  • 传统的侵入性BCI需要进行骨切割.
  • 内血管BCI利用静脉系统进行微创电极放置.

研究的目的:

  • 系统地审查血管内BCI的技术可行性,安全性和临床结果.
  • 评估内血管方法作为侵入性BCI的替代品的潜力.
  • 讨论血管内BCI技术的未来影响.

主要方法:

  • 根据PRISMA指南进行的系统审查.
  • 搜索了PubMed,科学网络和Scopus数据库.
  • 包括在临床前或临床环境中报告内血管BCI的研究,重点是电极材料,记录能力,安全性和有效性.

主要成果:

  • 26项研究符合1385份初始出版物中的纳入标准.
  • 在十七项研究中研究了Stentrode设备.
  • 临床前模型显示了稳定的神经记录;两项临床研究显示,六名ALS患者实现了数字通信.
  • 关键的挑战包括血栓形成风险,电极稳定性和解剖学变异性.

结论:

  • 内血管BCI显示了有希望的结果,具有减少的侵入性和可比的记录保真度.
  • 目前临床数据有限,需要进一步研究.
  • 为了更广泛的临床应用,需要优化信号处理,电极生物相容性和内血管程序.