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Abstract #2062

The effects of coil compression on simultaneous multislice and conventional fMRI

Alan Chu 1 and Douglas Noll 1

1 Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States

Multiple receive coils are needed for simultaneous multislice (SMS) imaging, resulting in large raw data storage requirements and long computation times for a typical SMS fMRI scan. In this abstract, we compare and evaluate the activation performance of varying levels of coil compression on both SMS and conventional fMRI scans. We use an efficient concentric ring trajectory that has the susceptibility signal recovery benefit of spiral-in imaging, and also facilitates the use of an SMS GRAPPA reconstruction. GRAPPA and SENSE SMS reconstruction results are compared with each other and with those of a conventional scan.

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