Abstract #0613

Multiband and Multishot EPI Using Hadamard Encoding for Functional MRI at 7T

Alexander D. Cohen¹, Andrew S. Nencka^1,2, and Yang Wang^1,2

¹Radiology, Medical College of Wisconsin, Milwaukee, WI, United States, ²Biophysics, Medical College of Wisconsin, Milwaukee, WI, United States

In this study a novel technique was tested combining multiband and multishot imaging for functional MRI at 7T. Hadamard and segmented multi-shot encoding were applied to yield short TR, reduced distortion fMRI images without the need for parallel imaging reconstruction techniques. Furthermore, acquiring segmented data allows for datasets to be reconstructed with effective in-plane accelerations up to the number of segments. Thus, one can reconstruct a dataset with higher SNR and the reduced geometric distortion of a highly accelerated acquisition.

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