A Novel, Robust, and Portable Platform for Magnetoencephalography using Optically Pumped Magnetometers
Holly Schofield1,2, Ryan M Hill1,2, Odile Feys3,4
1Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.
Biorxiv : the Preprint Server for Biology
|April 1, 2024
Summary
A new optically-pumped-magnetometer magnetoencephalography (OPM-MEG) system offers improved dynamic range and portability. This advanced OPM-MEG technology provides comparable brain function measures to established systems, enhancing neuroimaging capabilities.
Area of Science:
- Biophysics
- Neuroscience
- Medical Imaging Technology
Background:
- Magnetoencephalography (MEG) traditionally uses cryogenic superconducting sensors, limiting practicality and deployment.
- Optically-pumped-magnetometers (OPMs) offer a cryogenic-free alternative, enabling 'OPM-MEG' systems with potential for higher sensitivity, resolution, and subject mobility.
- Current OPM-MEG systems face limitations in sensor and system design, particularly concerning sensor dynamic range.
Conclusions:
- The developed OPM-MEG system represents a significant advancement in OPM-MEG technology.
- The system's enhanced dynamic range, portability, and compatibility offer a promising platform for next-generation functional medical imaging.
- This technology has the potential to overcome limitations of conventional MEG, facilitating wider clinical and research applications.
