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Abstract #2944

3D Multi-Band Diffusion MRI

Iain P Bruce 1 , Hing-Chiu Chang 1 , Nan-Kuei Chen 1 , and Allen W Song 1

1 Brain Imaging and Analysis Center, Duke University, Durham, NC, United States

Despite many significant advances in the field of high-resolution diffusion MRI, most current diffusion imaging techniques are limited by low SNR and extensive data acquisition times. To address these limitations, this study presents a technique for combining 3-dimensional Fourier encoding with multi-band imaging to acquire a volume of diffusion images with improved SNR and shortened acquisition time. With the use of simultaneous slice excitation, we were able to achieve sufficiently high temporal resolutions while retaining the high SNR of 3D MRI. It is anticipated that an imaging protocol of this kind will enable a wide adoption of high-resolution diffusion MRI.

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