Results 1 to 10 of about 2,513,775 (186)

Optimization of OPM-MEG Layouts with a Limited Number of Sensors [PDF]

Sensors
Magnetoencephalography (MEG) is a non-invasive neuroimaging technique that measures weak magnetic fields generated by neural electrical activity in the brain.
Urban Marhl, Rok Hren, Tilmann Sander, Vojko Jazbinšek   +3 more
doaj   +5 more sources

Beyond sensitivity: what are the enabling opportunities of OPM-MEG? [PDF]

Frontiers in Medical Technology
While optically-pumped magnetometer (OPM) technology offers a number of compelling advantages over its SQUID predecessor for magnetoencephalography (MEG), many studies and viewpoints focus on issues of (i) scalp placement, with commensurate increases in ...
Timothy P. L. Roberts, Timothy P. L. Roberts, Charlotte Birnbaum, Luke Bloy, William Gaetz, William Gaetz   +5 more
doaj   +5 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.
Miao Cao, David J White, Jia-Hong Gao
exaly   +6 more sources

The neurodevelopmental trajectory of beta band oscillations: an OPM-MEG study [PDF]

bioRxiv
Neural oscillations mediate the coordination of activity within and between brain networks, supporting cognition and behaviour. How these processes develop throughout childhood is not only an important neuroscientific question but could also shed light ...
Rier L, Rhodes N, Pakenham D, Boto E, Holmes N, Hill RM, Reina Rivero G, Shah V, Doyle C, Osborne J, Bowtell RW, Taylor M, Brookes MJ.   +12 more
europepmc   +6 more sources

From simulation to clinic: Assessing the required channel count for effective clinical use of OPM-MEG systems

NeuroImage
The channel count in an Optically Pumped Magnetometer Magnetoencephalography (OPM-MEG) system plays a pivotal role in determining its overall performance.
Bing Yan, Ming Ding
exaly   +4 more sources

Potential of 4He OPM‐MEG for detecting interictal epileptic activity: A comparison with SQUID‐MEG [PDF]

Epilepsia Open
Objectives Conventional magnetoencephalography (MEG) based on superconducting quantum interference devices sensors (SQUIDs) is the only widely used MEG system in both clinical and research settings.
Denis Schwartz, Jean‐Michel Badier, Tjerk P. Gutteling, Sébastien Daligault, Etienne Labyt, Francesca Bonini, Julien Jung   +6 more
doaj   +3 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

A first-in-human application of OPM-MEG for localizing motor activity area: Compared to functional MRI

NeuroImage
Background: Accurately localizing brain motor areas is vital for protecting motor function during neurosurgical procedures. Magnetoencephalography (MEG) based on optically pumped magnetometer (OPM) improves the availability of MEG in clinical ...
Xiaohan Chi, Ming Ding
exaly   +4 more sources

A lightweight magnetically shielded room with active shielding [PDF]

Scientific Reports, 2022
Magnetically shielded rooms (MSRs) use multiple layers of materials such as MuMetal to screen external magnetic fields that would otherwise interfere with high precision magnetic field measurements such as magnetoencephalography (MEG).
Niall Holmes, Molly Rea, James Chalmers, James Leggett, Lucy J. Edwards, Paul Nell, Stephen Pink, Prashant Patel, Jack Wood, Nick Murby, David Woolger, Eliot Dawson, Christopher Mariani, Tim M. Tierney, Stephanie Mellor, George C. O’Neill, Elena Boto, Ryan M. Hill, Vishal Shah, James Osborne, Rosemarie Pardington, Peter Fierlinger, Gareth R. Barnes, Paul Glover, Matthew J. Brookes, Richard Bowtell   +25 more
doaj   +4 more sources

Imaging somatosensory cortex responses measured by OPM-MEG: Variational free energy-based spatial smoothing estimation approach [PDF]

iScience, 2022
Summary: In recent years, optically pumped magnetometer (OPM)-based magnetoencephalography (MEG) has shown potential for analyzing brain activity. It has a flexible sensor configuration and comparable sensitivity to conventional SQUID-MEG. We constructed
Nan An, Fuzhi Cao, Wen Li, Wenli Wang, Weinan Xu, Chunhui Wang, Min Xiang, Yang Gao, Binbin Sui, Aimin Liang, Xiaolin Ning   +10 more
doaj   +2 more sources