Introduction to Electromagnetic Brain Imaging

Introduction to Electromagnetic Brain Imaging
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电磁脑成像简介

DOI:
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发表时间:
2015
期刊:
影响因子:
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通讯作者:
S. Nagarajan
S. Nagarajan
中科院分区:
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文献类型:
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作者:
K. Sekihara;S. Nagarajan

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非侵入性脑功能成像在提高我们对人脑的理解方面产生了巨大的影响。自20世纪90年代中期以来,功能磁共振成像(FMRI)一直是功能脑成像的主要方式。FMRI测量由神经元激活引起的血氧水平依赖(BOLD)信号的变化。这是一种非侵入性的方法,可以对整个大脑进行测量,并检查大脑深层结构的活动。重要的是,用于分析功能磁共振数据的商业和开源工具的广泛使用使许多研究人员能够轻松地接受这项技术。
Noninvasive functional brain imaging has made a tremendous impact in improving our understanding of the human brain. Functional magnetic resonance imaging (fMRI) has been the predominant modality for imaging the functioning brain since the middle of the 1990s. fMRI measures changes in blood oxygenation-level-dependent (BOLD) signals caused by neuronal activation. It is a noninvasive method that allows for whole-brain measurement and the examination of activity in deep brain structures. Importantly, the widespread availability of commercial and open-source tools for analysis of fMRI data has enabled many researchers to easily embrace this technology.