Optical Co-registration of MRI and On-scalp MEG

R Zetter, J Iivanainen, L Parkkonen - Scientific Reports, 2019 - nature.com
To estimate the neural generators of magnetoencephalographic (MEG) signals, MEG data
have to be co-registered with an anatomical image, typically an MR image. Optically …

[HTML][HTML] Using a structured-light 3D scanner to improve EEG source modeling with more accurate electrode positions

S Homölle, R Oostenveld - Journal of Neuroscience Methods, 2019 - Elsevier
Background In this study, we evaluated the use of a structured-light 3D scanner for EEG
electrode digitization. We tested its accuracy, robustness and evaluated its practical …

A low-cost approach for the estimation of rock joint roughness using photogrammetry

Y Ge, K Chen, G Liu, Y Zhang, H Tang - Engineering geology, 2022 - Elsevier
To evaluate the possibility of utilizing commercially available devices for making joint
roughness estimates, a digital single-lens reflex (DSLR) camera and a smartphone were …

Co-registration comparison of on-scalp magnetoencephalography and magnetic resonance imaging

F Cao, N An, W Xu, W Wang, Y Yang, M **ang… - Frontiers in …, 2021 - frontiersin.org
Magnetoencephalography (MEG) can non-invasively measure the electromagnetic activity
of the brain. A new type of MEG, on-scalp MEG, has attracted the attention of researchers …

[HTML][HTML] Flexible head-casts for high spatial precision MEG

SS Meyer, J Bonaiuto, M Lim, H Rossiter… - Journal of neuroscience …, 2017 - Elsevier
Background In combination with magnetoencephalographic (MEG) data, accurate
knowledge of the brain's structure and location provide a principled way of reconstructing …

Recommandations françaises sur l'électroencéphalogramme

N André-Obadia, P Sauleau, F Cheliout-Heraut… - Neurophysiologie …, 2014 - Elsevier
Electroencephalography allows the functional analysis of electrical brain cortical activity and
is the gold standard for analyzing electrophysiological processes involved in epilepsy but …

OMMR: Co-registration toolbox of OPM-MEG and MRI

F Cao, N An, W Xu, W Wang, W Li, C Wang… - Frontiers in …, 2022 - frontiersin.org
Magnetoencephalography (MEG) based on optically pumped magnetometers (OPM-MEG)
has shown better flexibility in sensor configuration compared with the conventional …

Spatial localization of EEG electrodes using 3D scanning

GA Taberna, M Marino, M Ganzetti… - Journal of neural …, 2019 - iopscience.iop.org
Objective. A reliable reconstruction of neural activity using high-density
electroencephalography (EEG) requires an accurate spatial localization of EEG electrodes …

Consequences of EEG electrode position error on ultimate beamformer source reconstruction performance

SS Dalal, S Rampp, F Willomitzer, S Ettl - Frontiers in neuroscience, 2014 - frontiersin.org
Inaccuracy of EEG electrode coordinates forms an error term in forward model generation
and ultimate source reconstruction performance. This error arises from the combination of …

Requirements for coregistration accuracy in on-scalp MEG

R Zetter, J Iivanainen, M Stenroos, L Parkkonen - Brain topography, 2018 - Springer
Recent advances in magnetic sensing has made on-scalp magnetoencephalography (MEG)
possible. In particular, optically-pumped magnetometers (OPMs) have reached sensitivity …