Jun 22, 2010 · In this study, quantitative BS maps were calculated directly from gradient-echo field maps obtainable on most clinical scanners. In order to ...
In this study, quantitative BS maps were calculated directly from gradient-echo field maps obtainable on most clinical scanners. In order to validate the ...
There is ongoing debate whether using a higher spatial resolution (sampling k-space) or a higher angular resolution (sampling q-space angles) is the better way ...
Assessment of spatial BOLD sensitivity variations in fMRI using gradient-echo field maps. · MultiPark: Multidisciplinary research focused on Parkinson´s disease ...
Sensitivity and specificity of blood oxygenation level–dependent (BOLD) functional MRI (fMRI) is sensitive to magnetic field strength and acquisition methods.
Aug 7, 2023 · In this section, we describe how dynamic field maps can be calculated from the phase of the single-echo EPI time series used for fMRI given ...
Oct 11, 2021 · So your field map is intended for each of the two fMRI sessions. Field maps for use in susceptibility distortion correction (SDC) of EPI images.
Assessment of spatial BOLD sensitivity variations in fMRI using gradient-echo field maps. Magn Reson Imaging 2010:28:947–956. 18. Smith SM, Jenkinson M ...
Jul 6, 2021 · Here, B is the image phase evolutions across echoes caused by field inhomogeneity, S is the sensitivity map, F denotes the Fourier transform, U ...
May 8, 2022 · We are using fmriprep 21.0.1 to process fMRI data acquired on a Siemens Skyra using the CMRR mb sequence. The AP SE distortion maps have ...