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Abstract #3934

A generalized prospective motion correction framework for improved spectroscopy, structural and angiographic imaging

Mads Andersen1, Vincent Oltman Boer2, Anouk Marsman2, and Esben Thade Petersen2,3

1Philips Healthcare, Copenhagen, Denmark, 2Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Hvidovre, Denmark, 3Electrical Engineering, Technical University of Denmark, Lyngby, Denmark

Subject motion is a major problem in brain imaging and spectroscopy, misleading diagnosis in the clinic and lowering data quality in research. A promising solution is to update the field-of-view in real time based on tracking with volumetric navigators. This was implemented using a new interleaved scanning framework and a product functionality for self-navigation of fMRI. The implementation is simple to use and very flexible, as the navigator and target sequence are simply defined as two different scans, that can be interleaved at any level. It was demonstrated to improve motion robustness in single voxel spectroscopy, T1-weighted imaging and angiography.

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