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Single, slice-specific z-shim gradient pulses improve t2*-weighted imaging of the spinal cord

Abstract:

T2*-weighted imaging of the spinal cord suffers from signal dropouts that hamper blood-oxygenation-level-dependent functional magnetic resonance imaging (fMRI). They are due to field inhomogeneities caused by the different magnetic susceptibilities of the vertebrae and the intervertebral disks that vary periodically along the cord and, thus, cannot be compensated appropriately with conventional (constant) shimming. In this study, a single, slice-specific gradient pulse ("z-shim") is applied i...

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Authors


Finsterbusch, J More by this author
Eippert, F More by this author
Büchel, C More by this author
Journal:
NeuroImage
Volume:
59
Issue:
3
Pages:
2307-2315
Publication date:
2012-02-01
DOI:
EISSN:
1095-9572
ISSN:
1053-8119
URN:
uuid:3cd9f541-45d7-49ef-a1f6-dc48d2ea7f80
Source identifiers:
246650
Local pid:
pubs:246650

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