Abstract #2045
Multiband Multiecho 2D-EPI: Maximizing BOLD CNR for fMRI at 3T
E. Daniel P. Gomez 1 , Jenni Schulz 1 , Rasim Boyacioglu 1 , David G. Norris 1,2 , and Benedikt A. Poser 3
1
Donders Institute for Brain, Cognition and
Behaviour, Radboud University Nijmegen, Nijmegen,
Gelderland, Netherlands,
2
Erwin
L. Hahn Institute for Magnetic Resonance Imaging,
University Duisburg-Essen, Essen, Germany,
3
Faculty
of Psychology and Neuroscience, Maastricht University,
Maastricht, Netherlands
Multiband Multiecho 2D-EPI with blipped-CAIPI is an MR
imaging sequence that allows the acquisition of multiple
slices simultaneously, thus dramatically reducing
acquisition time and repetition time, and of multiple
echoes with different TEs after a single RF excitation,
improving BOLD sensitivity in fMRI studies. In this
study we compared various MB-ME 2D EPI protocols -
different in the number of slices excited
simultaneously, in-plane acceleration factors and CAIPI
factors - to maximize the BOLD CNR for fMRI studies.
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