Results 11 to 20 of about 96,284 (164)

Source-level performance of triaxial and uniaxial-radial OPM-MEG

NeuroImage
Magnetoencephalography (MEG) based on optically pumped magnetometers (OPM) provides a new means for detecting human brain activities. Compared to conventional SQUID-MEG, OPM-MEG offers significant advantages, including the wearability, flexibility in ...
Nan An, Zhenfeng Gao, Junjian Tang
exaly   +6 more sources

OPM-MEG in multiple sclerosis: Proof of principle, and the effect of naturalistic posture [PDF]

NeuroImage: Clinical
Multiple 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, Christopher G.S. Gilmartin, Lukas Rier, Lauren Gascoyne, Emily McCann, Jorge Cabrera, James Leggett, Niall Holmes, Ryan M. Hill, Elena Boto, Natalie Rhodes, Clarise Castleman, Aimee Hibbert, Daniel C. Ford, Holly Schofield, Cody Doyle, James Osborne, David Bobela, Vishal Shah, Karen J. Mullinger, Kathryn Radford, Matthew J. Brookes, Nikos Evangelou   +22 more
doaj   +7 more sources

Test-retest reliability of the human connectome: An OPM-MEG study. [PDF]

Imaging Neurosci (Camb), 2023
ABSTRACT 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 scanning, better spatial resolution, increased signal, and no reliance on ...
Rier L, Michelmann S, Ritz H, Shah V, Hill RM, Osborne J, Doyle C, Holmes N, Bowtell R, Brookes MJ, Norman KA, Hasson U, Cohen JD, Boto E.   +13 more
europepmc   +5 more sources

Repairbads: An automatic and adaptive method to repair bad channels and segments for OPM-MEG

NeuroImage
The optically pumped magnetometer (OPM) based magnetoencephalography (MEG) system offers advantages such as flexible layout and wearability. However, the position instability or jitter of OPM sensors can result in bad channels and segments, which ...
Fulong Wang, Yue Tao, Ruonan Wang
exaly   +6 more sources

Simultaneous whole-head electrophysiological recordings using EEG and OPM-MEG. [PDF]

Imaging Neurosci (Camb)
Abstract Electroencephalography (EEG) and magnetoencephalography (MEG) non-invasively measure human brain electrophysiology. They differ in nature; MEG offers better performance while EEG (a wearable platform) is more practical. They are also complementary, with studies showing that concurrent MEG/EEG provides advantages over either ...
Seedat ZA, Pier KS, Holmes N, Rea M, Al-Hilaly L, Tierney TM, Embury CM, Pardington R, Mullinger KJ, Cross JH, Boto E, Brookes MJ.   +11 more
europepmc   +7 more sources

Simulation Study of Different OPM-MEG Measurement Components. [PDF]

Sensors (Basel), 2022
Magnetoencephalography (MEG) is a neuroimaging technique that measures the magnetic fields of the brain outside of the head. In the past, the most suitable magnetometer for MEG was the superconducting quantum interference device (SQUID), but in recent years, a new type has also been used, the optically pumped magnetometer (OPM).
Marhl U, Sander T, Jazbinšek V.
europepmc   +6 more sources

A fully integrated whole-head helium OPM MEG: a performance assessment compared to cryogenic MEG [PDF]

Frontiers in Medical Technology
Magnetoencephalography (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, Maxime Bonnet, Denis Schwartz, Denis Schwartz, Tjerk Gutteling, Tjerk Gutteling, Sebastien Daligault, Etienne Labyt   +7 more
doaj   +3 more sources

Facilitating cognitive neuroscience research with 80-sensor optically pumped magnetometer magnetoencephalography (OPM-MEG)

NeuroImage
Recent advancements in optically pumped magnetometer magnetoencephalography (OPM-MEG) make it a promising alternative to conventional SQUID-MEG systems.
Pan Liao, David White, Bingjiang Lyu
exaly   +4 more sources

Interference suppression techniques for OPM-based MEG: Opportunities and challenges [PDF]

NeuroImage, 2022
One of the primary technical challenges facing magnetoencephalography (MEG) is that the magnitude of neuromagnetic fields is several orders of magnitude lower than interfering signals.
Robert A Seymour, Nicholas Alexander, Stephanie Mellor   +2 more
exaly   +4 more sources

Detecting Event-Related Spectral Perturbations in Right-Handed Sensorimotor Cortical Responses Using OPM-MEG [PDF]

Bioengineering
The optically pumped magnetometer, OPM-MEG, has the potential to replace the traditional low-temperature superconducting quantum interference device, SQUID-MEG.
Hao Lu, Yong Li, Min Xiang, Yuyu Ma, Yang Gao, Xiaolin Ning   +5 more
doaj   +3 more sources