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Practical real-time MEG-based neural interfacing with optically pumped magnetometers (2021)
Journal Article
Wittevrongel, B., Holmes, N., Boto, E., Hill, R., Rea, M., Libert, A., …Brookes, M. J. (2021). Practical real-time MEG-based neural interfacing with optically pumped magnetometers. BMC Biology, 19(1), Article 158. https://doi.org/10.1186/s12915-021-01073-6

Background: Brain-computer interfaces decode intentions directly from the human brain with the aim to restore lost functionality, control external devices or augment daily experiences. To combine optimal performance with wide applicability, high-qual... Read More about Practical real-time MEG-based neural interfacing with optically pumped magnetometers.

Precision magnetic field modelling and control for wearable magnetoencephalography (2021)
Journal Article
Rea, M., Holmes, N., Hill, R. M., Boto, E., Leggett, J., Edwards, L. J., …Brookes, M. J. (2021). Precision magnetic field modelling and control for wearable magnetoencephalography. NeuroImage, 241, Article 118401. https://doi.org/10.1016/j.neuroimage.2021.118401

Optically-pumped magnetometers (OPMs) are highly sensitive, compact magnetic field sensors, which offer a viable alternative to cryogenic sensors (superconducting quantum interference devices – SQUIDs) for magnetoencephalography (MEG). With the promi... Read More about Precision magnetic field modelling and control for wearable magnetoencephalography.

Planar Coil Optimization in a Magnetically Shielded Cylinder (2021)
Journal Article
Packer, M., Hobson, P. J., Holmes, N., Leggett, J., Glover, P., Brookes, M. J., …Fromhold, T. M. (2021). Planar Coil Optimization in a Magnetically Shielded Cylinder. Physical Review Applied, 15(6), Article 064006. https://doi.org/10.1103/PhysRevApplied.15.064006

Hybrid magnetic shields with both active field generating components and high-permeability magnetic shielding are increasingly needed for various technologies and experiments that require precision-controlled magnetic field environments. However, the... Read More about Planar Coil Optimization in a Magnetically Shielded Cylinder.

Theoretical advantages of a triaxial optically pumped magnetometer magnetoencephalography system (2021)
Journal Article
Brookes, M. J., Boto, E., Rea, M., Shah, V., Osborne, J., Holmes, N., …Bowtell, R. (2021). Theoretical advantages of a triaxial optically pumped magnetometer magnetoencephalography system. NeuroImage, 236, Article 118025. https://doi.org/10.1016/j.neuroimage.2021.118025

The optically pumped magnetometer (OPM) is a viable means to detect magnetic fields generated by human brain activity. Compared to conventional detectors (superconducting quantum interference devices) OPMs are small, lightweight, flexible, and operat... Read More about Theoretical advantages of a triaxial optically pumped magnetometer magnetoencephalography system.

Calibration-free regional RF shims for MRS (2021)
Journal Article
Berrington, A., Považan, M., Mirfin, C., Bawden, S., Park, Y. W., Marsh, D. C., …Gowland, P. A. (2021). Calibration-free regional RF shims for MRS. Magnetic Resonance in Medicine, 86(2), 611-624. https://doi.org/10.1002/mrm.28749

Purpose: Achieving a desired RF transmit field (B1+) in small regions-of-interest (ROIs) is critical for single-voxel MR spectroscopy at ultra-high field. RF shimming, using parallel transmission, requires B1+ mapping and optimisation, which limits i... Read More about Calibration-free regional RF shims for MRS.