Results 61 to 70 of about 2,513,775 (186)

Spatial and Frequency Specific Artifact Reduction in Optically Pumped Magnetometer Recordings

Journal of Integrative Neuroscience, 2022
Background: Magnetoencephalography (MEG) based on optically pumped magnetometers (OPMs) opens up new opportunities for brain research. However, OPM recordings are associated with artifacts.
Jing Xiang, Han Tong, Yang Jiang, Maria E. Barnes-Davis   +3 more
doaj   +1 more source

A comparative study on the detection and localization of interictal epileptiform discharges in magnetoencephalography using optically pumped magnetometers versus superconducting quantum interference devices

NeuroImage
Background: Superconducting quantum interference device (SQUID)-based magnetoencephalography (MEG) holds substantial clinical value in epilepsy examination but is limited by the high costs.
Jiechuan Ren, Ming Ding, Yuming Peng, Chang Sun, Chunqing Yang, Shuxian Zhou, Jiayin Tian, Qun Wang, Zhimei Li   +8 more
doaj   +1 more source

Exploring the limits of MEG spatial resolution with multipolar expansions

NeuroImage, 2023
The advent of scalp magnetoencephalography (MEG) based on optically pumped magnetometers (OPMs) may represent a step change in the field of human electrophysiology.
Vincent Wens
doaj   +1 more source

A tool for functional brain imaging with lifespan compliance [PDF]

, 2019
The human brain undergoes significant functional and structural changes in the first decades of life, as the foundations for human cognition are laid down. However, non-invasive imaging techniques to investigate brain function throughout neurodevelopment
Barnes, GR, Boto, E, Bowtell, R, Brookes, MJ, Hartley, C, Hill, RM, Holmes, N, Leggett, J, Roberts, G, Seedat, ZA, Shah, V, Slater, R, Stagg, CJ, Tierney, TM, Woolrich, MW   +14 more
core   +5 more sources

Wearable magnetoencephalography in a lightly shielded environment [PDF]

Wearable magnetoencephalography based on optically pumped magnetometers (OPM-MEG) offers non-invasive and high-fidelity measurement of human brain electrophysiology. The flexibility of OPM-MEG also means it can be deployed in participants of all ages and
Boto, Elena, Bowtell, Richard, Brookes, Matthew J., Dawson, Eliot, Hayward, Tyler, Hill, Ryan M., Holmes, Niall, Leggett, James, Rier, Lukas, Schofield, Holly, Shah, Vishal, Taulu, Samu, Woolger, David   +12 more
core   +2 more sources

A New Generation of OPM for High Dynamic and Large Bandwidth MEG: The ⁴He OPMs—First Applications in Healthy Volunteers

Sensors, 2023
MagnetoEncephaloGraphy (MEG) provides a measure of electrical activity in the brain at a millisecond time scale. From these signals, one can non-invasively derive the dynamics of brain activity.
Tjerk P. Gutteling, Mathilde Bonnefond, Tommy Clausner, Sébastien Daligault, Rudy Romain, Sergey Mitryukovskiy, William Fourcault, Vincent Josselin, Matthieu Le Prado, Agustin Palacios-Laloy, Etienne Labyt, Julien Jung, Denis Schwartz   +12 more
doaj   +1 more source

Investigating the effects of calibration errors on the spatial resolution of OPM-MEG beamformer imaging

NeuroImage
The use of optically pumped magnetometers (OPMs) has provided a feasible, moveable and wearable alternative to superconducting detectors for magnetoencephalography (MEG) measurements.
Shengjie Qi, Xinda Song, Le Jia, Zhaoxin Duan, Yan Dai, Jing Zhang, Xiaolin Ning   +6 more
semanticscholar   +1 more source

Inter-Trial Consistency in Sensorimotor Cortex During Finger-Tapping Movements

IEEE Transactions on Neural Systems and Rehabilitation Engineering
Optically-pumped magnetometer magnetoencephalography (OPM-MEG) is a new technology to detect neural electrophysiological signals. Inter-trial consistency (ITC) is an important indicator to characterize functional connectivity. It also provides a reliable
Hao Lu, Yong Li, Min Xiang, Yuyu Ma, Yang Gao, Xiaolin Ning   +5 more
doaj   +1 more source

Magnetoelectric Nanoparticle‐Based Wireless Brain–Computer Interface: Underlying Physics and Projected Technology Pathway

Advanced Science, EarlyView.
Magnetoelectric nanoparticles (MENPs) enable fully wireless, minutely invasive neuromodulation, and potentially neural recording, by converting magnetic into electric and, conversely, electric into magnetic fields, respectively, at high spatiotemporal resolution.
Elric Zhang, Max Shotbolt, Mostafa Abdel‐Mottaleb, Shawnus Chen, Victoria Andre, Jieyuan Tian, Jonathan Shulgach, Max Murphy, Brian Noga, Ping Liang, Darcy Griffin, Douglas Weber, Marta Pardo, Salvador Pane, Sakhrat Khizroev   +14 more
wiley   +1 more source

Towards naturalistic scanning environments for wearable magnetoencephalography [PDF]

, 2023
Magnetoencephalography (MEG) is a neuroimaging technique that probes human brain function, by measuring the magnetic fields generated at the scalp by current flow in assemblies of neurons.
Rea, Molly
core   +3 more sources