Probabilistic tractography
Gender Differences in Language and Motor Related Fibers in a Population of Healthy Preterm Neonates at Term Equivalent Age: A Diffusion Tensor and Probabilistic Tractography Study
... individually. Probabilistic tractography provided tract volumes, relative tract volumes (volume normalized to TBV), FA, MD, and ⬜ in the SLF, in the TRs, and in the ...
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Probabilistic tractography of the posterior subthalamic area in Parkinson’s disease patients
... As probabilistic tractography is prone to the identification of false connections due to the accumulated uncertainty of the fiber orientation distribution function as the tracts propagate away from the ...
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White Matter Abnormalities Are Related to Microstructural Changes in Preterm Neonates at Term Equivalent Age: A Diffusion Tensor Imaging and Probabilistic Tractography Study
... In this structural MR imaging study, we demonstrated impor- tant associations between WMA on conventional MR imaging and microstructural changes in specific fiber tracts by using DTI and probabilistic ...
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Alterations in the microstructure of white matter in children and adolescents with Tourette syndrome measured using tract based spatial statistics and probabilistic tractography
... Tourette syndrome (TS) is a neurodevelopmental disorder characterised by repetitive and intermittent motor and vocal tics. TS is thought to reflect fronto-striatal dysfunction and the aetiology of the disorder has been ...
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Maturation of Thalamic Radiations between 34 and 41 Weeks' Gestation: A Combined Voxel Based Study and Probabilistic Tractography with Diffusion Tensor Imaging
... Many significant voxels were not included in the tracts re- constructed with use of probabilistic fiber tractography. These voxels could still correspond, in our opinion, to subcortical projection pathways ...
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High Angular Resolution Diffusion Imaging Probabilistic Tractography of the Auditory Radiation
... ates with the assumption that white matter fiber orientation can be inferred from the random movement of water. The choice of image acquisition parameters and tractography algorithm deter- mines the accuracy of ...
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Segmentation of the Globus Pallidus Internus Using Probabilistic Diffusion Tractography for Deep Brain Stimulation Targeting in Parkinson Disease
... In the current pilot study, we examined the role of segmenta- tion of the globus pallidus internus based on probabilistic trac- tography in the setting of deep brain stimulation. To our knowl- edge, there are no ...
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A novel approach for improved tractography and quantitative analysis of probabilistic fibre tracking curves
... deterministic tractography approaches have several advan- tages over probabilistic tractography for some applications such as ...of probabilistic methods is a connectiv- ity map, which is not ...
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Diffusion Tractography Biomarkers of Pediatric Cerebellar Hypoplasia/Atrophy: Preliminary Results Using Constrained Spherical Deconvolution
... fiber tractography recon- struction of afferent (CPCT) and efferent (CTT) cerebellar tracts and the CST in children with CH, PCH, and ...used probabilistic tractography with constrained spherical ...
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Corticopallidal Connectome of the Globus Pallidus Externus in Humans: An Exploratory Study of Structural Connectivity Using Probabilistic Diffusion Tractography
... Voxelwise diffusion parameters were estimated via a Markov Chain Monte Carlo sampling implemented in FSL bedpost (http://fsl.fmrib.ox.ac.uk/fsl/fslwiki/FDT/UserGuide#BEDPOSTX). A multifiber approach (2 fiber ...
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Detection of the arcuate fasciculus in congenital amusia depends on the tractography algorithm
... deterministic tractography, “the estimated fiber orientation is assumed to represent the best estimate to prop- agate streamlines” (Dell’Acqua and Catani, ...contrast, probabilistic tractography ...
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Somatotopic Organization of Motor Pathways in the Internal Capsule: A Probabilistic Diffusion Tractography Study
... Probabilistic tractography successfully tracked the motor pathways of the tongue, face, hand, and foot from the precen- tral gyrus through their intersection with the larger superior longitudinal fasciculus ...
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Evaluations of diffusion tensor image registration based on fiber tractography
... We also used probabilistic tractography for fiber tracking and evaluated the six reg- istration methods with a spatial correlation similarity metric. Spatial correlation as a similarity measurement provides ...
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Diffusion tensor tractography of the arcuate fasciculus in patients with brain tumors: Comparison between deterministic and probabilistic models
... and probabilistic tracking methods of diffusion tensor white matter fiber tractography in patients with brain ...a probabilistic method based on an extended Monte Carlo Random Walk ...Results: ...
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Using the Tractometer to assess performance of a new statistical tractography techniqu e
... for probabilistic tractography methods and put deterministic or statistical methods at disadvantage from the ...and probabilistic tractography ...the probabilistic methods, since it ...
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Asymmetry width probabilistic fuzzy logic system for rigid flexible manipulator modeling
... The probabilistic fuzzy set (PFS) and probabilistic fuzzy logic system is designed for handling the uncertainties with stochastic and nonstochastic ...asymmetric probabilistic fuzzy set is proposed ...
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Usefulness of Diffusion Tensor Tractography in Pediatric Epilepsy Surgery
... Neuroimaging study in pediatric epilepsy surgery should be multimodal, and DTT is a useful technique for the evaluation of epilepsy surgery. DTT was shown to be more helpful in cases of focal epilepsy caused by cortical ...
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Improved tractography using asymmetric fibre orientation distributions
... One limiting factor of the proposed method is that the width and amplitude (i.e., apparent fi bre density) of the fod will be in fl uenced by the chosen response function. Currently, the response function for each tissue ...
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Global meteorological drought – Part 1: Probabilistic monitoring
... novel probabilistic drought monitoring methodology based on ECMWF probabilistic forecasts is presented, where probabilistic monthly means of precipitation were derived from short-range forecasts and ...
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Challenges of the Anatomy and Diffusion Tensor Tractography of the Meyer Loop
... S.A. Mandelstam SUMMARY: This review addresses the complex and often controversial anatomy of the anterior bundle of the OR, also known as the Meyer loop. Before the advent of MR imaging, 2 main types of studies ...
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