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In-vivo Bundle-Specific Axon Diameter Distributions Estimation across the Corpus Callosum

Type of publication Peer-reviewed
Publikationsform Proceedings (peer-reviewed)
Author Barakovic Muhamed, Romascano David Paul Roger, Girard Gabriel, Descoteaux Maxime, Thiran Jean-Philippe, Daducci Alessandro,
Project Towards micro-structure-based tractography for quantitative brain connectivity analysis
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Proceedings (peer-reviewed)

Title of proceedings 25th annual meeting of the International Society for Magnetic Resonance in Medicine ({ISMRM})
Place Honolulu, Hawaii, USA


Over the last decade microstructure imaging has become commonly endorsed to estimate quantitative features of neuronal tissue. However, those techniques estimate the microstructure only locally. Microstructure informed tractography was recently proposed to bolster microstructure estimates by accounting for the structure of the white matter bundles. The purpose of this study was to extend this novel technique for evaluating bundle-specific axon diameter distributions and investigate bundle-specific properties in the human brain. The experiment was performed on the MGH adult HCP dataset. The findings suggest potential application in the estimation of the axon diameter distribution along white matter bundles in whole-brain tractograms.