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Tri-axial rubidium and helium optically pumped magnetometers for on-scalp magnetoencephalography recording of interictal epileptiform discharges: a case study (2023)
Journal Article
Feys, O., Corvilain, P., Labyt, E., Mahmoudzadeh, M., Routier, L., Sculier, C., …De Tiège, X. (2023). Tri-axial rubidium and helium optically pumped magnetometers for on-scalp magnetoencephalography recording of interictal epileptiform discharges: a case study. Frontiers in Neuroscience, 17, Article 1284262. https://doi.org/10.3389/fnins.2023.1284262

Cryogenic magnetoencephalography (MEG) enhances the presurgical assessment of refractory focal epilepsy (RFE). Optically pumped magnetometers (OPMs) are cryogen-free sensors that enable on-scalp MEG recordings. Here, we investigate the application of... Read More about Tri-axial rubidium and helium optically pumped magnetometers for on-scalp magnetoencephalography recording of interictal epileptiform discharges: a case study.

Portable single-beam cesium zero-field magnetometer for magnetocardiography (2023)
Journal Article
Dawson, R., O'Dwyer, C., Mrozowski, M. S., Irwin, E., McGilligan, J. P., Burt, D. P., …Riis, E. (2023). Portable single-beam cesium zero-field magnetometer for magnetocardiography. Journal of Optical Microsystems, 3(4), Article 044501. https://doi.org/10.1117/1.jom.3.4.044501

Optically pumped magnetometers (OPMs) are becoming common in the realm of biomagnetic measurements. We discuss the development of a prototype zero-field cesium portable OPM and its miniaturized components. Zero-field sensors operate in a very low sta... Read More about Portable single-beam cesium zero-field magnetometer for magnetocardiography.

Test-retest reliability of the human connectome: An OPM-MEG study (2023)
Journal Article
Rier, L., Michelmann, S., Ritz, H., Shah, V., Hill, R. M., Osborne, J., …Boto, E. (2023). Test-retest reliability of the human connectome: An OPM-MEG study. Imaging Neuroscience, 1, 1-20. https://doi.org/10.1162/imag_a_00020

Magnetoencephalography with optically pumped magnetometers (OPM-MEG) offers a new way to record electrophysiological brain function, with significant advantages over conventional MEG, including adaptability to head shape/size, free movement during sc... Read More about Test-retest reliability of the human connectome: An OPM-MEG study.

An Iterative Implementation of the Signal Space Separation Method for Magnetoencephalography Systems with Low Channel Counts (2023)
Journal Article
Holmes, N., Bowtell, R., Brookes, M. J., & Taulu, S. (2023). An Iterative Implementation of the Signal Space Separation Method for Magnetoencephalography Systems with Low Channel Counts. Sensors, 23(14), Article 6537. https://doi.org/10.3390/s23146537

The signal space separation (SSS) method is routinely employed in the analysis of multichannel magnetic field recordings (such as magnetoencephalography (MEG) data). In the SSS method, signal vectors are posed as a multipole expansion of the magnetic... Read More about An Iterative Implementation of the Signal Space Separation Method for Magnetoencephalography Systems with Low Channel Counts.

Naturalistic Hyperscanning with Wearable Magnetoencephalography (2023)
Journal Article
Holmes, N., Rea, M., Hill, R. M., Boto, E., Leggett, J., Edwards, L. J., …Bowtell, R. (2023). Naturalistic Hyperscanning with Wearable Magnetoencephalography. Sensors, 23(12), Article 5454. https://doi.org/10.3390/s23125454

The evolution of human cognitive function is reliant on complex social interactions which form the behavioural foundation of who we are. These social capacities are subject to dramatic change in disease and injury; yet their supporting neural substra... Read More about Naturalistic Hyperscanning with Wearable Magnetoencephalography.

Non-invasive measurements of ictal and interictal epileptiform activity using optically pumped magnetometers (2023)
Journal Article
Hillebrand, A., Holmes, N., Sijsma, N., O’Neill, G. C., Tierney, T. M., Liberton, N., …Barnes, G. R. (2023). Non-invasive measurements of ictal and interictal epileptiform activity using optically pumped magnetometers. Scientific Reports, 13(1), Article 4623. https://doi.org/10.1038/s41598-023-31111-y

Magneto- and electroencephalography (MEG/EEG) are important techniques for the diagnosis and pre-surgical evaluation of epilepsy. Yet, in current cryogen-based MEG systems the sensors are offset from the scalp, which limits the signal-to-noise ratio... Read More about Non-invasive measurements of ictal and interictal epileptiform activity using optically pumped magnetometers.

Measurement of Frontal Midline Theta Oscillations using OPM-MEG (2023)
Journal Article
Rhodes, N., Rea, M., Boto, E., Rier, L., Shah, V., Hill, R. M., …Brookes, M. J. (2023). Measurement of Frontal Midline Theta Oscillations using OPM-MEG. NeuroImage, 271, Article 120024. https://doi.org/10.1016/j.neuroimage.2023.120024

Optically pumped magnetometers (OPMs) are an emerging lightweight and compact sensor that can measure magnetic fields generated by the human brain. OPMs enable construction of wearable magnetoencephalography (MEG) systems, which offer advantages over... Read More about Measurement of Frontal Midline Theta Oscillations using OPM-MEG.