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相关概念视频

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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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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相关实验视频

Updated: Sep 11, 2025

Modeling the Functional Network for Spatial Navigation in the Human Brain
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Modeling the Functional Network for Spatial Navigation in the Human Brain

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正在发展的人类连接体项目的胎儿功能性MRI发布:方法和数据结构.

Vyacheslav R Karolis1,2, Lucilio Cordero-Grande1,3, Anthony N Price1

  • 1Centre for the Developing Brain, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom.

Imaging neuroscience (Cambridge, Mass.)
|August 13, 2025
PubMed
概括
此摘要是机器生成的。

这项研究发布了最大的开放式胎儿功能性MRI数据集,使得早期大脑发育和连接能力的新研究成为可能. 这些数据解决了运动和噪音等挑战,推进了子宫内神经科学领域.

关键词:
动态扭曲纠正 动态扭曲纠正胎儿fMRI的使用情况.网络分析 网络分析开放访问的数据资源数据资源.切片对体积的运动校正时间过时间过.

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High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain
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相关实验视频

Last Updated: Sep 11, 2025

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High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain
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科学领域:

  • 神经科学是一个神经科学.
  • 发育神经科学的发展神经科学.
  • 医疗成像医学成像

背景情况:

  • 胎儿功能性MRI (fMRI) 提供了对早期大脑发育的见解.
  • 由于缺乏可访问的,高质量的胎儿fMRI数据集,进步受到限制.
  • 挑战包括运动,几何扭曲和低信号噪声比在子宫内.

研究的目的:

  • 发布迄今为止最大的公开访问胎儿fMRI数据集.
  • 为开发和基准测试用于子宫内脑成像分析的方法提供资源.
  • 促进研究功能性大脑连接的出现.

主要方法:

  • 释放了275个胎儿fMRI扫描 (255个胎儿,20.86-38.29周).
  • 系统的预处理包括多频段的SENSE,扭曲校正,切片对体积的重建和时间过.
  • 开发一个先进的注册基础设施,用于集团层面的分析.

主要成果:

  • 现在可以获得最大的开放访问胎儿fMRI数据集.
  • 介绍了一个针对子宫内数据量身定制的全面预处理管道.
  • 数据集包括用于灵活数据探索的中间处理输出.

结论:

  • 这一数据集发布显著提升了胎儿fMRI研究的潜力.
  • 它为开发早期大脑连接的强有力的分析方法提供了至关重要的资源.
  • 这些发现支持终身人类连接组的发展.