Kasper, Lars;
Engel, Maria;
Heinzle, Jakob;
Mueller-Schrader, Matthias;
Graedel, Nadine N;
Reber, Jonas;
Schmid, Thomas;
... Pruessmann, Klaas P; + view all
(2022)
Advances in spiral fMRI: A high-resolution dataset.
Data in Brief
, 42
, Article 108050. 10.1016/j.dib.2022.108050.
Preview |
Text
1-s2.0-S235234092200261X-main.pdf - Published Version Download (391kB) | Preview |
Abstract
We present data collected for the research article “Advances in Spiral fMRI: A High-resolution Study with Single-shot Acquisition” (Kasper et al. 2022). All data was acquired on a 7T ultra-high field MR system (Philips Achieva), equipped with a concurrent magnetic field monitoring setup based on 16 NMR probes. For task-based fMRI, a visual quarterfield stimulation paradigm was employed, alongside physiological monitoring via peripheral recordings. This data collection contains different datasets pertaining to different purposes: (1) Measured magnetic field dynamics (k0, spiral k-space trajectories, 2nd order spherical harmonics, concomitant fields) during ultra-high field fMRI sessions from six subjects, as well as concurrent temperature curves of the gradient coil, to explore MR system and subject-induced variability of field fluctuations and assess the impact of potential correction methods. (2) MR Raw Data, i.e., coil and concurrent encoding magnetic field (trajectory) data, of a single subject, as well as nominal spiral gradient waveforms, precomputed B0 and coil sensitivity maps, to enable testing of alternative image reconstruction approaches for spiral fMRI data. (3) Reconstructed image time series of the same subject alongside behavioral and physiological logfiles, to reproduce the fMRI preprocessing and analysis, as well as figures presented in the research article related to this article, using the published analysis code repository. All data is provided in standardized formats for the respective research area. In particular, ISMRMRD (HDF5) is used to store raw coil data and spiral trajectories, as well as measured field dynamics. Likewise, the NIfTI format is used for all imaging data (anatomical MRI and spiral fMRI, B0 and coil sensitivity maps).
| Type: | Article |
|---|---|
| Title: | Advances in spiral fMRI: A high-resolution dataset |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.dib.2022.108050 |
| Publisher version: | https://doi.org/10.1016/j.dib.2022.108050 |
| Language: | English |
| Additional information: | © 2022 The Author(s). Published by Elsevier Inc. under a Creative Commons license (http://creativecommons.org/licenses/by/4.0/). |
| Keywords: | ISMRMRD, MR image reconstruction raw data, Magnetic field monitoring, Non-cartesian MRI, Task-based fMRI, High-resolution fMRI, Ultra high-field spiral MRI, Inverse problems |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Imaging Neuroscience |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10178091 |
Archive Staff Only
 |
View Item |
