Parallel transmission for ultrahigh‐field imaging
The development of MRI systems operating at or above 7 T has provided researchers with a
new window into the human body, yielding improved imaging speed, resolution and signal …
new window into the human body, yielding improved imaging speed, resolution and signal …
Imaging at ultrahigh magnetic fields: History, challenges, and solutions
K Uğurbil - Neuroimage, 2018 - Elsevier
Following early efforts in applying nuclear magnetic resonance (NMR) spectroscopy to study
biological processes in intact systems, and particularly since the introduction of 4 T human …
biological processes in intact systems, and particularly since the introduction of 4 T human …
Pushing spatial and temporal resolution for functional and diffusion MRI in the Human Connectome Project
Abstract The Human Connectome Project (HCP) relies primarily on three complementary
magnetic resonance (MR) methods. These are: 1) resting state functional MR imaging …
magnetic resonance (MR) methods. These are: 1) resting state functional MR imaging …
Magnetic resonance imaging at ultrahigh fields
K Uğurbil - IEEE transactions on biomedical engineering, 2014 - ieeexplore.ieee.org
Since the introduction of 4 T human systems in three academic laboratories circa 1990,
rapid progress in imaging and spectroscopy studies in humans at 4 T and animal model …
rapid progress in imaging and spectroscopy studies in humans at 4 T and animal model …
First in‐vivo human imaging at 10.5 T: Imaging the body at 447 MHz
Purpose To investigate the feasibility of imaging the human torso and to evaluate the
performance of several radiofrequency (RF) management strategies at 10.5 T. Methods …
performance of several radiofrequency (RF) management strategies at 10.5 T. Methods …
MRI and MRS of the human brain at magnetic fields of 14 T to 20 T: Technical feasibility, safety, and neuroscience horizons
TF Budinger, MD Bird - Neuroimage, 2018 - Elsevier
The three goals of this paper are: 1) to evaluate the improvements in technology for
increasing magnetic flux density (magnetic field) to 14 T in the next few years and eventually …
increasing magnetic flux density (magnetic field) to 14 T in the next few years and eventually …
Toward 20 T magnetic resonance for human brain studies: opportunities for discovery and neuroscience rationale
An initiative to design and build magnetic resonance imaging (MRI) and spectroscopy
(MRS) instruments at 14 T and beyond to 20 T has been underway since 2012. This initiative …
(MRS) instruments at 14 T and beyond to 20 T has been underway since 2012. This initiative …
Quantitative comparison of cortical surface reconstructions from MP2RAGE and multi-echo MPRAGE data at 3 and 7 T
K Fujimoto, JR Polimeni, AJW Van Der Kouwe… - Neuroimage, 2014 - Elsevier
Abstract The Magnetization-Prepared 2 Rapid Acquisition Gradient Echo (MP2RAGE)
method achieves spatially uniform contrast across the entire brain between gray matter and …
method achieves spatially uniform contrast across the entire brain between gray matter and …
New high dielectric constant materials for tailoring the B1+ distribution at high magnetic fields
K Haines, NB Smith, AG Webb - Journal of magnetic resonance, 2010 - Elsevier
The spatial distribution of electromagnetic fields within the human body can be tailored
using external dielectric materials. Here, we introduce a new material with high dielectric …
using external dielectric materials. Here, we introduce a new material with high dielectric …
Tailored excitation in 3D with spiral nonselective (SPINS) RF pulses
Brain images acquired at 3T often display central brightening with spatially varying tissue
contrast, caused by inhomogeneity in the transmit radiofrequency fields used for excitation …
contrast, caused by inhomogeneity in the transmit radiofrequency fields used for excitation …