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Feasibility of spiral fMRI based on an LTI gradient model

Abstract:

Spiral imaging is very well suited for functional MRI, however its use has been limited by the fact that artifacts caused by gradient imperfections and B0 inhomogeneity are more difficult to correct compared to EPI. Effective correction requires accurate knowledge of the traversed k-space trajectory. With the goal of making spiral fMRI more accessible, we have evaluated image reconstruction using trajectories predicted by the gradient impulse response function (GIRF), which can be determined ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.neuroimage.2021.118674

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Publisher:
Elsevier Publisher's website
Journal:
NeuroImage Journal website
Volume:
245
Article number:
118674
Publication date:
2021-10-27
Acceptance date:
2021-10-20
DOI:
ISSN:
1053-8119
Language:
English
Keywords:
Pubs id:
1230209
Local pid:
pubs:1230209
Deposit date:
2022-01-06

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