关键词：扩散成像 超高梯度成像 微观结构成像 3T 超高场 神经科学
ISMRM 2025 Abstract #0314
Scan-Rescan repeatability of axon diameter mapping metrics from ultra-high-gradient diffusion MRI on the Connectome 2.0 scanner
Authors
Laleh Eskandarian1,2, Yixin MA1,3, Hansol Lee1,3, Kwok-Shing Chan1,3, Aneri Bhatt1, Julianna Gerold1, and Susie Y. Huang1,3
1Mass General Hospital, Boston, MA, United States,
2Athinoula A. Martinos Center, Boston, MA, United States,
3Harvard Medical School, Boston, MA, United States
This research enhances the understanding of diffusion-MRI metrics' reliability, enabling more accurate studies of brain microstructure. It supports further investigation into neurobiological differences across populations and potential clinical applications.
Voxel-wise diffusion metric estimates from scan and rescan sessions are shown, combining all white matter voxels across all subjects. Each plot displays the Pearson correlation coefficient (r) and absolute deviation (Abs. Dev.), with the unity line highlighted in pink.
Checkerboard plots for each of the five subjects show averaged interleaved b=0 images.
scan sessions in gray-white;
rescan sessions in hot colors;
linear correlation coefficients (r) are labeled below each.
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