High‐resolution echo‐planar fMRI of human visual cortex at 3.0 tesla
KR Thulborn, SY Chang, GX Shen… - NMR in Biomedicine …, 1997 - Wiley Online Library
The robust detection of blood oxygenation level dependent (BOLD) contrast1, 2 that is due
to the hemodynamic response elicited by changes in neuronal activity is challenging. The …
to the hemodynamic response elicited by changes in neuronal activity is challenging. The …
Imaging brain function in humans at 7 Tesla
This article describes experimental studies performed to demonstrate the feasibility of BOLD
fMRI using echo‐planar imaging (EPI) at 7 T and to characterize the BOLD response in …
fMRI using echo‐planar imaging (EPI) at 7 T and to characterize the BOLD response in …
Cortical depth‐dependent gradient‐echo and spin‐echo BOLD fMRI at 9.4 T
To examine cortical depth‐related spatial specificity and signal changes in gradient‐echo
(GE) and spin‐echo (SE) blood oxygenation level‐dependent (BOLD) fMRI signals, a well …
(GE) and spin‐echo (SE) blood oxygenation level‐dependent (BOLD) fMRI signals, a well …
Signal sources in bold contrast fMRI
R Turner - Optical Imaging of Brain Function and Metabolism 2 …, 1997 - Springer
When a non-diffusible paramagnetic contrast agent is present in the blood, the mechanism
of MRI signal loss is as follows. The contrast agent has a magnetic susceptibility higher than …
of MRI signal loss is as follows. The contrast agent has a magnetic susceptibility higher than …
Source of nonlinearity in echo‐time‐dependent BOLD fMRI
Stimulation‐induced changes in transverse relaxation rates can provide important insight
into underlying physiological changes in blood oxygenation level‐dependent (BOLD) …
into underlying physiological changes in blood oxygenation level‐dependent (BOLD) …
[HTML][HTML] Laminar fMRI using T2-prepared multi-echo FLASH
V Pfaffenrot, MN Voelker, S Kashyap, PJ Koopmans - Neuroimage, 2021 - Elsevier
Functional magnetic resonance imaging (fMRI) using blood oxygenation level dependent
(BOLD) contrast at a sub-millimeter scale is a promising technique to probe neural activity at …
(BOLD) contrast at a sub-millimeter scale is a promising technique to probe neural activity at …
Temporal resolving power of spin echo and gradient echo fMRI at 3T with apparent diffusion coefficient compartmentalization
J Hulvershorn, L Bloy, EE Gualtieri… - Human brain …, 2005 - Wiley Online Library
The temporal resolving power of blood oxygenation level‐dependent (BOLD) functional
magnetic resonance imaging (fMRI) at 3T was investigated in the visual and auditory …
magnetic resonance imaging (fMRI) at 3T was investigated in the visual and auditory …
Quantitative differentiation between BOLD models in fMRI
FGC Hoogenraad, PJW Pouwels… - … in Medicine: An …, 2001 - Wiley Online Library
Several gradient‐echo fMRI blood oxygenation level‐dependent (BOLD) effects are
described in the literature: extravascular spin dephasing around capillaries and veins …
described in the literature: extravascular spin dephasing around capillaries and veins …
Diffusion‐weighted spin‐echo fMRI at 9.4 T: microvascular/tissue contribution to BOLD signal changes
The nature of vascular contribution to blood oxygenation level dependent (BOLD) contrast
used in functional MRI (fMRI) is poorly understood. To investigate vascular contributions at …
used in functional MRI (fMRI) is poorly understood. To investigate vascular contributions at …
Sources of phase changes in BOLD and CBV‐weighted fMRI
Phase changes in blood oxygenation‐level dependent (BOLD) fMRI have been observed in
humans; however, their exact origin has not yet been fully elucidated. To investigate this …
humans; however, their exact origin has not yet been fully elucidated. To investigate this …