Current limitations of diffusion-weighted tractography algorithms face the complexity of white matter fiber crossings, especially for the cortico-lateral projections of the cortico-spinal tract (CST) in the human brain. In this work, to improve cortico-spinal tracking in crossing areas we combined accurate anatomical region positioning along the CST in each individual with a new bundle-specific tractography algorithm. We thus built a probabilistic atlas of the whole-fanning CST in 410 healthy participants.
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