A quantitative magnetic resonance imaging (MRI) sequence GRE-MOLED based on overlapping-echo detachment is implemented to simultaneously achieve distortion-free T2* mapping and quantitative susceptibility mapping (QSM) in a single shot. The accuracy of quantitative structural MRI results is verified by comparison with the results from multi-shot method in in-vivo experiments. We also evaluate the technique through a statistical analysis of fMRI experiments with vision and motion tasks and demonstrate that it achieves higher BOLD sensitivity than conventional method.
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