3D Multi-Slab Diffusion MRI with Motion Correction

A 3D multi‐slab spin‐echo diffusion MRI sequence
⁸ (link) was modified to integrate blipped‐CAIPI and kz partial Fourier sampling. After the imaging echo, a second refocusing pulse was applied to acquire a low‐resolution 2D navigator to correct the motion‐induced phase errors. The sequence diagram of the proposed acquisition is demonstrated in Figure S1. Subjects were scanned on a Siemens 7T scanner using a 32‐channel receive coil. Written informed consent in accordance with local ethics was obtained from each subject.

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Li Z., Miller K.L., Andersson J.L., Zhang J., Liu S., Guo H, & Wu W. (2023). Sampling strategies and integrated reconstruction for reducing distortion and boundary slice aliasing in high‐resolution 3D diffusion MRI. Magnetic Resonance in Medicine, 90(4), 1484-1501.

Publication 2023

7T scanner 32‐channel receive coil

Corresponding Organization :

Other organizations : Wellcome Centre for Integrative Neuroimaging, University of Oxford, Tsinghua University

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Variable analysis

independent variables

Modification of the 3D multi-slab spin-echo diffusion MRI sequence to integrate blipped-CAIPI and kz partial Fourier sampling

dependent variables

Motion-induced phase errors

control variables

7T Siemens scanner
32-channel receive coil

controls

No positive or negative controls were explicitly mentioned in the input.

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