期刊
TRENDS IN NEUROSCIENCES
卷 45, 期 8, 页码 621-634出版社
CELL PRESS
DOI: 10.1016/j.tins.2022.05.008
关键词
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资金
- UK Engineering and Physical Sciences Research Council (EPSRC) [EP/V047264/1, EP/T001046/1]
- National Institutes of Health [R01EB028772]
- Wellcome (Wellcome Collaborative Award in Science) [203257/Z/16/Z, 203257/B/16/Z]
A new generation of MEG technology using optically pumped magnetometers (OPMs) addresses the limitations of current MEG instrumentation, offering improved data quality, adaptability, motion robustness, and a simplified imaging platform. This has far-reaching implications for neuroscience.
Magnetoencephalography (MEG) measures human brain function via assessment of the magnetic fields generated by electrical activity in neurons. Despite providing high-quality spatiotemporal maps of electrophysiological activity, current MEG instrumentation is limited by cumbersome field sensing technologies, resulting in major barriers to utility. Here, we review a new generation of MEG technology that is beginning to lift many of these barriers. By exploiting quantum sensors, known as optically pumped magnetometers (OPMs), 'OPM-MEG' has the potential to dramatically outperform the current state of the art, promising enhanced data quality (better sensitivity and spatial resolution), adaptability to any head size/shape (from babies to adults), motion robustness (participants can move freely during scanning), and a less complex imaging platform (without reliance on cryogenics). We discuss the current state of this emerging technique and describe its far-reaching implications for neuroscience.
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