Iron and Alzheimer's disease: from pathology to imaging

D Tran, P DiGiacomo, DE Born… - Frontiers in Human …, 2022 - frontiersin.org
Alzheimer's disease (AD) is a debilitating brain disorder that afflicts millions worldwide with
no effective treatment. Currently, AD progression has primarily been characterized by …

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 …

Lowering the thermal noise barrier in functional brain mapping with magnetic resonance imaging

L Vizioli, S Moeller, L Dowdle, M Akçakaya… - Nature …, 2021 - nature.com
Functional magnetic resonance imaging (fMRI) has become an indispensable tool for
investigating the human brain. However, the inherently poor signal-to-noise-ratio (SNR) of …

Magnetic field strength dependent SNR gain at the center of a spherical phantom and up to 11. 7T

C Le Ster, A Grant, PF Van de Moortele… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose The SNR at the center of a spherical phantom of known electrical properties was
measured in quasi‐identical experimental conditions as a function of magnetic field strength …

Intrinsic timescales as an organizational principle of neural processing across the whole rhesus macaque brain

AMG Manea, A Zilverstand, K Ugurbil, SR Heilbronner… - Elife, 2022 - elifesciences.org
Hierarchical temporal dynamics are a fundamental computational property of the brain;
however, there are no whole brain, noninvasive investigations into timescales of neural …

A 32‐element loop/dipole hybrid array for human head imaging at 7 T

NI Avdievich, AV Nikulin, L Ruhm… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose To improve whole‐brain SNR at 7 Tesla, a novel 32‐element hybrid human head
array coil was developed, constructed, and tested. Methods Our general design strategy is …

Ultra-high field MRI: parallel-transmit arrays and RF pulse design

SN Williams, P McElhinney… - Physics in Medicine & …, 2023 - iopscience.iop.org
This paper reviews the field of multiple or parallel radiofrequency (RF) transmission for
magnetic resonance imaging (MRI). Currently the use of ultra-high field (UHF) MRI at 7 tesla …

A nested eight-channel transmit array with open-face concept for human brain imaging at 7 tesla

SN Williams, S Allwood-Spiers, P McElhinney… - Frontiers in …, 2021 - frontiersin.org
Purpose: Parallel transmit technology for MRI at 7 tesla will significantly benefit from high
performance transmit arrays that offer high transmit efficiency and low mutual coupling …

[HTML][HTML] Ultra-high field (10.5 T) resting state fMRI in the macaque

E Yacoub, MD Grier, EJ Auerbach, RL Lagore, N Harel… - Neuroimage, 2020 - Elsevier
Resting state functional connectivity refers to the temporal correlations between
spontaneous hemodynamic signals obtained using functional magnetic resonance imaging …

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 …