Results 11 to 20 of about 49,909 (271)
PLOS Computational Biology, 2016 Fiber tractography uses diffusion MRI to estimate the trajectory and cortical projection zones of white matter fascicles in the living human brain. There are many different tractography algorithms and each requires the user to set several parameters ...
Caiafa, César Federico +3 more
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Merged Group Tractography Evaluation with Selective Automated Group Integrated Tractography (SAGIT) [PDF]
Frontiers in Neuroanatomy, 2016 Introduction: Tractography analysis in group-based studies across large populations is difficult to manage and assess. We propose Selective Automated Group Integrated Tractography (SAGIT), an automated group tractography software platform that ...
David Qixiang Chen +9 more
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NeuroImage, 2022 Diffusion magnetic resonance imaging (dMRI) tractography has played a critical role in characterizing patterns of aberrant brain network reorganization among patients with epilepsy.
Ezequiel Gleichgerrcht +9 more
doaj +2 more sources
The Emerging Role of Tractography in Deep Brain Stimulation: Basic Principles and Current Applications [PDF]
Brain Sciences, 2018 Diffusion tensor imaging (DTI) is an MRI-based technique that delineates white matter tracts in the brain by tracking the diffusion of water in neural tissue.
Nelson B. Rodrigues +4 more
doaj +2 more sources
Hierarchical Microstructure Informed Tractography [PDF]
Brain Connectivity, 2021 Background: Tractography uses diffusion magnetic resonance imaging to noninvasively infer the macroscopic pathways of white matter fibers and it is the only available technique to probe in vivo the structural connectivity of the brain. However, despite this unique and compelling ability and its wide range of possible neurological applications ...
Ocampo-Pineda, Mario +6 more
openaire +3 more sources
Tractography in Curvilinear Coordinates [PDF]
Frontiers in Neuroscience, 2021 Coordinate invariance of physical laws is central in physics, it grants us the freedom to express observations in coordinate systems that provide computational convenience. In the context of medical imaging there are numerous examples where departing from Cartesian to curvilinear coordinates leads to ease of visualization and simplicity, such as ...
Uzair Hussain +6 more
openaire +3 more sources
Parallel Transport Tractography
IEEE Transactions on Medical Imaging, 2021 Tractography is an important technique that allows the in vivo reconstruction of structural connections in the brain using diffusion MRI. Although tracking algorithms have improved during the last two decades, results of validation studies and international challenges warn about the reliability of tractography and point out the need for improved ...
Shi, Yonggang, Aydogan, Baran
openaire +5 more sources
Filtered Multitensor Tractography [PDF]
IEEE Transactions on Medical Imaging, 2010 We describe a technique that uses tractography to drive the local fiber model estimation. Existing techniques use independent estimation at each voxel so there is no running knowledge of confidence in the estimated model fit. We formulate fiber tracking as recursive estimation: at each step of tracing the fiber, the current estimate is guided by those ...
Malcolm, James G. +2 more
openaire +3 more sources
Diffusion MRI and anatomic tracing in the same brain reveal common failure modes of tractography
NeuroImage, 2021 Anatomic tracing is recognized as a critical source of knowledge on brain circuitry that can be used to assess the accuracy of diffusion MRI (dMRI) tractography.
Giorgia Grisot +2 more
doaj +1 more source