In vivo B0 field shimming methods for MRI at 7 T

JP Stockmann, LL Wald - Neuroimage, 2018 - Elsevier
Abstract Functional MRI (fMRI) at 7 T and above provides improved Signal-to-Noise Ratio
and Contrast-to-Noise Ratio compared to 3 T acquisitions. In addition to the beneficial …

B0 magnetic field homogeneity and shimming for in vivo magnetic resonance spectroscopy

C Juchem, RA de Graaf - Analytical biochemistry, 2017 - Elsevier
The homogenization of B 0 conditions is necessary for every magnetic resonance
spectroscopy (MRS) investigation. Its direct consequence is narrow spectral lines, on which …

A lightweight magnetically shielded room with active shielding

N Holmes, M Rea, J Chalmers, J Leggett… - Scientific Reports, 2022 - nature.com
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 …

Reproducibility measurement of glutathione, GABA, and glutamate: Towards in vivo neurochemical profiling of multiple sclerosis with MR spectroscopy at 7T

H Prinsen, RA de Graaf, GF Mason… - Journal of Magnetic …, 2017 - Wiley Online Library
Purpose To determine the reproducibility of a comprehensive single‐session measurement
of glutathione (GSH), γ‐aminobutyric acid (GABA), glutamate, and other biochemicals …

High-resolution fMRI at 7 Tesla: challenges, promises and recent developments for individual-focused fMRI studies

O Viessmann, JR Polimeni - Current opinion in behavioral sciences, 2021 - Elsevier
Limited detection power has been a bottleneck for subject-specific functional MRI (fMRI)
studies; however, the higher signal-to-noise ratio afforded by ultra-high magnetic fields (≥ 7 …

[HTML][HTML] Emerging methods and applications of ultra-high field MR spectroscopic imaging in the human brain

G Hangel, E Niess, P Lazen, P Bednarik, W Bogner… - Analytical …, 2022 - Elsevier
Abstract Magnetic Resonance Spectroscopic Imaging (MRSI) of the brain enables insights
into the metabolic changes and fluxes in diseases such as tumors, multiple sclerosis …

A 31‐channel integrated “AC/DC” B0 shim and radiofrequency receive array coil for improved 7T MRI

JP Stockmann, NS Arango, T Witzel… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose To test an integrated “AC/DC” array approach at 7T, where B0 inhomogeneity
poses an obstacle for functional imaging, diffusion‐weighted MRI, MR spectroscopy, and …

Naturalistic hyperscanning with wearable magnetoencephalography

N Holmes, M Rea, RM Hill, E Boto, J Leggett… - Sensors, 2023 - mdpi.com
The evolution of human cognitive function is reliant on complex social interactions which
form the behavioural foundation of who we are. These social capacities are subject to …

High‐fidelity, high‐isotropic‐resolution diffusion imaging through gSlider acquisition with and T1 corrections and integrated ΔB0/Rx shim array

C Liao, J Stockmann, Q Tian, B Bilgic… - Magnetic resonance …, 2020 - Wiley Online Library
Purpose and T1 corrections and dynamic multicoil shimming approaches were proposed to
improve the fidelity of high‐isotropic‐resolution generalized slice‐dithered enhanced …

[HTML][HTML] High-quality lipid suppression and B0 shimming for human brain 1H MRSI

C Kumaragamage, S McIntyre, TW Nixon… - NeuroImage, 2024 - Elsevier
Abstract Magnetic Resonance Spectroscopic Imaging (MRSI) is a powerful technique that
can map the metabolic profile in the brain non-invasively. Extracranial lipid contamination …