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Meeting Abstract

Prospective motion correction improves gSlider accelerated diffusion imaging

MPS-Authors
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Pine,  Kerrin       
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Edwards,  Luke       
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;

Schmidt,  Marianna
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Max Planck School of Cognition, Max Planck Schools, Max Planck Society;

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Damm,  Juliane
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Kirilina,  Evgeniya       
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Weiskopf,  Nikolaus       
Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Felix Bloch Institute for Solid State Physics, Faculty of Physics and Earth Sciences, Leipzig University;

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7201.pdf
(Preprint), 3MB

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Citation

Pine, K., Edwards, L., Schmidt, M., Damm, J., Wang, F., Huang, S., et al. (2023). Prospective motion correction improves gSlider accelerated diffusion imaging. In Proceedings of the ISMRM & ISMRT Annual Meeting & Exhibition.


Cite as: https://hdl.handle.net/21.11116/0000-0010-4A38-D
Abstract
High resolution diffusion weighted imaging (DWI) is required to map cortical fibres and short association fibres in superficial white matter. The recently developed gSlider sequence allows high-resolution whole-brain DWI but is prone to motion-induced artefacts due to the long volume acquisition. We combined gSlider with prospective motion correction (PMC) using optical tracking to acquire high angular, high spatial resolution DWI. In three healthy participants, we demonstrated that PMC led to a reduction of motion artifacts, an increase of temporal SNR of around 15% and better estimates of fibre characteristics in the cortex and superficial white matter.