Gradient blips in the slice direction improve the flexibility of simultaneous fMRI acquisitions of distributed brain regions
Jrgen Finsterbusch 1,2
Department of Systems Neuroscience,
University Medical Center Hamburg-Eppendorf, Hamburg,
Nord, Hamburg-Kiel-Lbeck, Germany
Recently, an approach has been presented to acquire
different regions distributed in the brain in a single
projection image with a high temporal resolution. To
distinguish the signals of the different target regions
unambiguously, their projections must not overlap which
constrains the positions of the regions and the
orientation of the projection plane. Here, the approach
is extended by gradient blips in the slice direction in
order to shift the projections of the different target
regions relative to each other (similar to blipped-CAIPIRINHA).
Thus, the positions of the target regions and the image
plane can be chosen more flexibly.
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