Wireless optically pumped magnetometer MEG

IF 4.7 2区医学 Q1 NEUROIMAGING

NeuroImage Pub Date : 2024-09-24 DOI:10.1016/j.neuroimage.2024.120864

Hao Cheng , Kaiyan He , Congcong Li , Xiao Ma , Fufu Zheng , Wei Xu , Pan Liao , Rui Yang , Dongxu Li , Lang Qin , Shuai Na , Bingjiang Lyu , Jia-Hong Gao

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引用次数: 0

Abstract

The current magnetoencephalography (MEG) systems, which rely on cables for control and signal transmission, do not fully realize the potential of wearable optically pumped magnetometers (OPM). This study presents a significant advancement in wireless OPM-MEG by reducing magnetization in the electronics and developing a tailored wireless communication protocol. Our protocol effectively eliminates electromagnetic interference, particularly in the critical frequency bands of MEG signals, and accurately synchronizes the acquisition and stimulation channels with the host computer's clock. We have successfully achieved single-channel wireless OPM-MEG measurement and demonstrated its reliability by replicating three well-established experiments: The alpha rhythm, auditory evoked field, and steady-state visual evoked field in the human brain. Our prototype wireless OPM-MEG system not only streamlines the measurement process but also represents a major step forward in the development of wearable OPM-MEG applications in both neuroscience and clinical research.

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无线光泵磁力计 MEG

目前的脑磁图（MEG）系统依赖电缆进行控制和信号传输，无法充分发挥可穿戴式光泵磁强计（OPM）的潜力。本研究通过减少电子设备中的磁化和开发量身定制的无线通信协议，在无线 OPM-MEG 方面取得了重大进展。我们的协议有效消除了电磁干扰，尤其是在 MEG 信号的关键频段，并将采集和刺激通道与主机时钟精确同步。我们成功实现了单通道无线 OPM-MEG 测量，并通过复制三个成熟的实验证明了其可靠性：人脑中的α节律、听觉诱发场和稳态视觉诱发场。我们的无线 OPM-MEG 系统原型不仅简化了测量过程，而且在开发神经科学和临床研究领域的可穿戴 OPM-MEG 应用方面迈出了重要一步。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

NeuroImage 医学-核医学

CiteScore

11.30

自引率

10.50%

发文量

809

审稿时长

63 days

期刊介绍： NeuroImage, a Journal of Brain Function provides a vehicle for communicating important advances in acquiring, analyzing, and modelling neuroimaging data and in applying these techniques to the study of structure-function and brain-behavior relationships. Though the emphasis is on the macroscopic level of human brain organization, meso-and microscopic neuroimaging across all species will be considered if informative for understanding the aforementioned relationships.