Using OPM-MEG in contrasting magnetic environments [PDF]
NeuroImage, 2022 Magnetoencephalography (MEG) has been revolutionised by optically pumped magnetometers (OPMs). “OPM-MEG” offers higher sensitivity, better spatial resolution, and lower cost than conventional instrumentation based on superconducting quantum interference ...
Ryan M Hill, Niall Holmes, Elena Boto
exaly +9 more sources
Measurement of Frontal Midline Theta Oscillations using OPM-MEG [PDF]
NeuroImage, 2023 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 ...
Natalie Rhodes, Molly Rea, Elena Boto
exaly +7 more sources
An integrated full-head OPM-MEG system based on 128 zero-field sensors [PDF]
Frontiers in Neuroscience, 2023 Compact optically-pumped magnetometers (OPMs) are now commercially available with noise floors reaching 10 fT/Hz1/2. However, to be used effectively for magnetoencephalography (MEG), dense arrays of these sensors are required to operate as an integrated ...
Orang Alem +23 more
exaly +7 more sources
Multi-channel whole-head OPM-MEG: Helmet design and a comparison with a conventional system [PDF]
NeuroImage, 2020 Magnetoencephalography (MEG) is a powerful technique for functional neuroimaging, offering a non-invasive window on brain electrophysiology. MEG systems have traditionally been based on cryogenic sensors which detect the small extracranial magnetic ...
Elena Boto, Molly Rea, Niall Holmes
exaly +9 more sources
Applications of OPM-MEG for translational neuroscience: a perspective [PDF]
Translational PsychiatryMagnetoencephalography (MEG) allows the non-invasive measurement of brain activity at millisecond precision combined with localization of the underlying generators.
Marion Brickwedde +9 more
doaj +6 more sources
OMMR: Co-registration toolbox of OPM-MEG and MRI [PDF]
Frontiers in Neuroscience, 2022 Magnetoencephalography (MEG) based on optically pumped magnetometers (OPM-MEG) has shown better flexibility in sensor configuration compared with the conventional superconducting quantum interference devices-based MEG system while being better suited for
Fuzhi Cao, Nan An, chunhui wang
exaly +6 more sources
Magnetoencephalography with optically pumped magnetometers (OPM-MEG): the next generation of functional neuroimaging [PDF]
Trends in Neurosciences, 2022 Magnetoencephalography (MEG) measures human brain function via assessment of the magnetic fields generated by electrical activity in neurons. Despite providing high-quality spatiotemporal maps of electrophysiological activity, current MEG instrumentation
Matthew J Brookes, James, Molly Rea
exaly +5 more sources
OPM-MEG in multiple sclerosis: Proof of principle, and the effect of naturalistic posture [PDF]
NeuroImage: ClinicalMultiple Sclerosis (MS) is a common neurological disorder in which myelin damage affects neuronal signalling. Magnetoencephalography (MEG – the measurement of magnetic fields generated by neuronal currents) offers metrics of brain function that relate ...
Benjamin J. Sanders +22 more
doaj +6 more sources
Measuring functional connectivity with wearable MEG [PDF]
NeuroImage, 2021 Optically-pumped magnetometers (OPMs) offer the potential for a step change in magnetoencephalography (MEG) enabling wearable systems that provide improved data quality, accommodate any subject group, allow data capture during movement and potentially ...
Elena Boto, Ryan M Hill, Molly Rea
exaly +5 more sources
A fully integrated whole-head helium OPM MEG: a performance assessment compared to cryogenic MEG [PDF]
Frontiers in Medical TechnologyMagnetoencephalography (MEG) is a neuroimaging technique that measures neuronal activity at a millisecond scale. A few years ago, a new generation of MEG sensors emerged: optically pumped magnetometers (OPMs). The most common OPMs use alkali atoms as the
Maxime Bonnet +7 more
doaj +3 more sources