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Abstract #1102

Accelerated 3D stack-of-spiral bSSFP for functional imaging at 9.4T: Pilot study

Praveen Iyyappan Valsala1, Philipp Ehses2, Marten Veldmann2, and Klaus Scheffler1,3
1Magnetic Resonance Center, Max-Planck Institute for Biological Cybernetics, Tübingen, Germany, 2German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany, 3Department of Biomedical Magnetic Resonance, Eberhard Karls University Tübingen, Tübingen, Germany


We investigate the possibility of using longer multi-shot spiral readouts to accelerate balanced steady-state free precession (bSSFP) at ultra-high field (UHF) for functional imaging. The reconstruction is performed with the full signal model accounting for spatial B0 inhomogeneity and gradient imperfections. We present the activation maps from flickering checkerboard stimulus experiment and discuss challenges of spiral bSSFP at UHF.

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