Recent technical developments in ASL: a review of the state of the art
L Hernandez‐Garcia… - Magnetic resonance …, 2022 - Wiley Online Library
This review article provides an overview of a range of recent technical developments in
advanced arterial spin labeling (ASL) methods that have been developed or adopted by the …
advanced arterial spin labeling (ASL) methods that have been developed or adopted by the …
[HTML][HTML] Linking brain vascular physiology to hemodynamic response in ultra-high field MRI
Functional MRI using blood oxygenation level-dependent (BOLD) contrast indirectly probes
neuronal activity via evoked cerebral blood volume (CBV) and oxygenation changes. Thus …
neuronal activity via evoked cerebral blood volume (CBV) and oxygenation changes. Thus …
Sustained negative BOLD, blood flow and oxygen consumption response and its coupling to the positive response in the human brain
Most fMRI studies are based on the detection of a positive BOLD response (PBR). Here, we
demonstrate and characterize a robust sustained negative BOLD response (NBR) in the …
demonstrate and characterize a robust sustained negative BOLD response (NBR) in the …
Transmit and receive transmission line arrays for 7 Tesla parallel imaging
G Adriany, PF Van de Moortele… - … in Medicine: An …, 2005 - Wiley Online Library
Transceive array coils, capable of RF transmission and independent signal reception, were
developed for parallel, 1H imaging applications in the human head at 7 T (300 MHz). The …
developed for parallel, 1H imaging applications in the human head at 7 T (300 MHz). The …
Functional magnetic resonance imaging based on changes in vascular space occupancy
During brain activation, local control of oxygen delivery is facilitated through microvascular
dilatation and constriction. A new functional MRI (fMRI) methodology is reported that is …
dilatation and constriction. A new functional MRI (fMRI) methodology is reported that is …
T1 weighted brain images at 7 Tesla unbiased for Proton Density, T2⁎ contrast and RF coil receive B1 sensitivity with simultaneous vessel visualization
At high magnetic field, MR images exhibit large, undesirable signal intensity variations
commonly referred to as “intensity field bias”. Such inhomogeneities mostly originate from …
commonly referred to as “intensity field bias”. Such inhomogeneities mostly originate from …
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 …
Spin‐echo fMRI in humans using high spatial resolutions and high magnetic fields
The Hahn spin‐echo (HSE)‐based BOLD effect at high magnetic fields is expected to
provide functional images that originate exclusively from the microvasculature. The blood …
provide functional images that originate exclusively from the microvasculature. The blood …
Robust detection of ocular dominance columns in humans using Hahn Spin Echo BOLD functional MRI at 7 Tesla
Cells in the mammalian brain tend to be grouped together according to their afferent and
efferent connectivity, as well as their physiological properties. The columnar structures of …
efferent connectivity, as well as their physiological properties. The columnar structures of …
7‐T MR—from research to clinical applications?
Over 20 000 MR systems are currently installed worldwide and, although the majority
operate at magnetic fields of 1.5 T and below (ie about 70%), experience with 3‐T (in high …
operate at magnetic fields of 1.5 T and below (ie about 70%), experience with 3‐T (in high …