Optimal EPI parameters for reduction of susceptibility-induced BOLD sensitivity losses: a whole-brain analysis at 3 T and 1.5 T
N Weiskopf, C Hutton, O Josephs, R Deichmann�- Neuroimage, 2006 - Elsevier
Most functional magnetic resonance imaging (fMRI) studies record the blood oxygen level-
dependent (BOLD) signal using fast gradient-echo echo-planar imaging (GE EPI). However�…
dependent (BOLD) signal using fast gradient-echo echo-planar imaging (GE EPI). However�…
[HTML][HTML] Optimized EPI for fMRI studies of the orbitofrontal cortex: compensation of susceptibility-induced gradients in the readout direction
N Weiskopf, C Hutton, O Josephs, R Turner…�- …�Resonance Materials in�…, 2007 - Springer
Object Most functional magnetic resonance imaging (fMRI) studies record the blood oxygen
leveldependent (BOLD) signal using gradient-echo echo-planar imaging (GE EPI). EPI can�…
leveldependent (BOLD) signal using gradient-echo echo-planar imaging (GE EPI). EPI can�…
Compensation of susceptibility-induced BOLD sensitivity losses in echo-planar fMRI imaging
R Deichmann, O Josephs, C Hutton, DR Corfield…�- Neuroimage, 2002 - Elsevier
Gradient-echo echo-planar imaging is a standard technique in functional magnetic
resonance imaging (fMRI) experiments based on the blood oxygenation level-dependent�…
resonance imaging (fMRI) experiments based on the blood oxygenation level-dependent�…
Functional quantitative susceptibility mapping (fQSM)
DZ Balla, RM Sanchez-Panchuelo, SJ Wharton…�- Neuroimage, 2014 - Elsevier
Blood oxygenation level dependent (BOLD) functional magnetic resonance imaging (fMRI)
is a powerful technique, typically based on the statistical analysis of the magnitude�…
is a powerful technique, typically based on the statistical analysis of the magnitude�…
Improved BOLD detection in the medial temporal region using parallel imaging and voxel volume reduction
PSF Bellgowan, PA Bandettini, P van Gelderen…�- Neuroimage, 2006 - Elsevier
Using gradient-echo EPI, signal dropout due to macroscopic off resonance effects can
prevent blood-oxygenation-level-dependent (BOLD) signal change detection. The anterior�…
prevent blood-oxygenation-level-dependent (BOLD) signal change detection. The anterior�…
3D z‐shim method for reduction of susceptibility effects in BOLD fMRI
GH Glover�- Magnetic Resonance in Medicine: An Official�…, 1999 - Wiley Online Library
Susceptibility‐induced magnetic field gradients (SFGs) perpendicular to the slice plane often
result in signal dropout in blood oxygenation level‐dependent (BOLD) functional magnetic�…
result in signal dropout in blood oxygenation level‐dependent (BOLD) functional magnetic�…
Spatiotemporal dynamics of the BOLD fMRI signals: toward mapping submillimeter cortical columns using the early negative response
The existence of the early‐negative blood‐oxygenation‐level‐dependent (BOLD) response
is controversial and its practical utility for mapping brain functions with columnar spatial�…
is controversial and its practical utility for mapping brain functions with columnar spatial�…
Selection of voxel size and slice orientation for fMRI in the presence of susceptibility field gradients: application to imaging of the amygdala
The impact of voxel geometry on the blood oxygenation level-dependent (BOLD) signal
detectability in the presence of field inhomogeneity is assessed and a quantitative approach�…
detectability in the presence of field inhomogeneity is assessed and a quantitative approach�…
Hypercapnic normalization of BOLD fMRI: comparison across field strengths and pulse sequences
The blood oxygenation level-dependent (BOLD) functional magnetic resonance imaging
(fMRI) signal response to neural stimulation is influenced by many factors that are unrelated�…
(fMRI) signal response to neural stimulation is influenced by many factors that are unrelated�…
Spiral‐in/out BOLD fMRI for increased SNR and reduced susceptibility artifacts
GH Glover, CS Law�- …�in Medicine: An Official Journal of the�…, 2001 - Wiley Online Library
BOLD fMRI is hampered by dropout of signal in the orbitofrontal and parietal brain regions
due to magnetic field gradients near air‐tissue interfaces. This work reports the use of spiral�…
due to magnetic field gradients near air‐tissue interfaces. This work reports the use of spiral�…