通过可穿戴系统向现实世界应用转向磁脑学
Elena Boto1, Niall Holmes1, James Leggett1
1Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD, UK.
Nature
|March 22, 2018
概括
研究人员使用量子传感器开发了一个可穿戴的磁脑图像 (MEG) 头盔. 这使得脑部能够以自然的头部运动进行成像, 扩大了对不同人群和研究问题的神经成像应用.
科学领域:
- 神经科学
- 生物医学工程
- 医学成像
背景情况:
- 传统上,磁脑摄影 (MEG) 要求受试者静止在扫描仪中,限制其在发展研究和涉及自然运动的研究中使用.
- 目前的神经成像方法往往是某些人群无法使用的,并且限制了可以研究的认知过程类型.
研究的目的:
- 开发一种新型的可穿戴磁脑图像 (MEG) 系统,在自然,不受约束的头部运动中实现脑功能成像.
- 克服传统的固定MEG系统的局限性,并扩大神经成像研究的范围.
主要方法:
- 集成先进的量子传感器 (非超导) 与背景磁场取消系统到基于头盔的MEG设备中.
- 在各种自然动作中以毫秒分辨率进行人体电生理测量,包括点头,拉伸,饮酒和打球.
主要成果:
- 这种可穿戴的MEG系统成功地捕捉了自然运动中的人类大脑活动.
- 新系统的性能与最先进的静止MEG相美,即使头部有显著的运动.
- 系统表现出强大的电生理测量尽管大量的头部运动.
结论:
- 通过使用量子传感器开发可穿戴的MEG系统, 通过允许自由移动, 显著提升神经成像能力.
- 这项技术为研究婴儿,儿童和成年人的大脑功能开辟了新的途径.
- 潜在的应用包括神经发育连接体的特征,在虚拟环境中研究导航,并调查运动障碍.
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