Evolution of MEG: A first MEG-feasible fluxgate magnetometer,Human Brain Mapping

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Evolution of MEG: A first MEG-feasible fluxgate magnetometer
Human Brain Mapping ( IF 3.5 ) Pub Date : 2021-07-30 , DOI: 10.1002/hbm.25582
Nikolay Koshev ₁ , Anna Butorina ₁ , Ekaterina Skidchenko ₁ , Alexey Kuzmichev ₂ , Alexei Ossadtchi ₃ , Maxim Ostras ₂ , Maxim Fedorov ₁ , Petr Vetoshko _{2,

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Affiliation

In the current article, we present the first solid-state sensor feasible for magnetoencephalography (MEG) that works at room temperature. The sensor is a fluxgate magnetometer based on yttrium-iron garnet films (YIGM). In this feasibility study, we prove the concept of usage of the YIGM in terms of MEG by registering a simple brain induced field—the human alpha rhythm. All the experiments and results are validated with usage of another kind of high-sensitive magnetometers—optically pumped magnetometer, which currently appears to be well-established in terms of MEG.

中文翻译：

MEG 的演变：第一个 MEG 可行的磁通门磁力计

在当前的文章中，我们介绍了第一个可用于脑磁图 (MEG) 的固态传感器，该传感器可在室温下工作。该传感器是基于钇铁石榴石薄膜 (YIGM) 的磁通门磁力计。在这项可行性研究中，我们通过记录一个简单的大脑感应场——人类阿尔法节律，证明了 YIGM 的使用概念，即 MEG。所有实验和结果都通过使用另一种高灵敏度磁力计进行验证——光泵磁力计，目前在 MEG 方面似乎已经很成熟。

更新日期：2021-09-19

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