Abstract #1502
Improving sensitivity and specificity for RS fMRI using multiband multi-echo EPI at 7T
Rasim Boyacioglu 1 , Jenni Schulz 1 , Peter Koopmans 2 , Markus Barth 1,3 , and David Norris 1,3
1
Radboud University, Donders Institute,
Nijmegen, Netherlands,
2
FMRIB
Centre, University of Oxford, Oxford, United Kingdom,
3
Erwin
L. Hahn Institute for Magnetic Resonance Imaging,
University Duisburg-Essen, Essen, Germany
Recently we have implemented a multiband (MB) multi-echo
(ME) sequence to investigate the potential improvement
in sensitivity at 7T for resting state (RS) fMRI. In
this study we investigated various approaches for
cleaning ME and MB ME RS fMRI data to fully exploit the
rich temporal information of MB ME data. With two
different analysis strategies we have showed that MB
acquisition improves functional connectivity compared a
standard ME sequence after the removal of non-BOLD
related artifactual signals.
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