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Abstract #3884

Evaluation of multiband EPI for T2*-weighted and diffusion-weighted imaging

Manoj Shrestha1, Daniela van Hinsberg2, H. Sean Lee2, Ulrike Nöth1, David Poeppel2, and Ralf Deichmann1
1Brain Imaging Center (BIC), Goethe University Frankfurt, Frankfurt am Main, Germany, 2Max Planck Institute for Empirical Aesthetics, Frankfurt am Main, Germany

The combination of multiband EPI with in-plane parallel imaging yields a total acceleration factor AF=MB*R, MB and R representing the slice and in-plane acceleration factors, respectively. The data quality of T2*-weighted and diffusion-weighted imaging was compared for different AF, using different combinations of MB and R, and for different head coils, providing advice on the optimum experimental set-up. Results suggest that severe artifacts may occur for large MB and R, a low number of slices (SL) and head coils with a reduced number of elements (NE). Suggestions comprise SL≥48, NE≥32, MB≤8 and R≤4.

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