Improved fibre dispersion estimation using b-tensor encoding by Cottaar, M, Szczepankiewicz, F, Bastiani, M, Hernandez-Fernandez, M, Sotiropoulos, SN, Nilsson, M, Jbabdi, S

“…We conclude that the addition of spherical tensor encoded data to conventional linear tensor encoding data greatly reduces the sensitivity of the estimated fibre dispersion to the model assumptions of the tissue microstructure.…”

Simulation of anisotropic growth of low-grade gliomas using diffusion tensor imaging. by Jbabdi, S, Mandonnet, E, Duffau, H, Capelle, L, Swanson, K, Pélégrini-Issac, M, Guillevin, R, Benali, H

“…The method is based on a cell diffusion tensor derived from water diffusion tensor (as given by MRI diffusion tensor imaging). …”

Feasibility of diffusion tensor and morphologic imaging of peripheral nerves at ultra-high field strength by Schmid, AB, Campbell, J, Hurley, SA, Jbabdi, S, Andersson, JL, Jenkinson, M, Bangerter, NK, Bennett, DL, Tracey, I, Frost, R, Clare, S

“…<p><strong>Objectives</strong> The aim of this study was to describe the development of morphologic and diffusion tensor imaging sequences of peripheral nerves at 7 T, using carpal tunnel syndrome (CTS) as a model system of focal nerve injury.…”

Pathology of callosal damage in ALS: an ex-vivo , 7 T diffusion tensor MRI study by Cardenas, A, Sarlls, J, Kwan, J, Bageac, D, Gala, Z, Danielian, L, Ray-Chaudhury, A, Wang, H, Miller, K, Foxley, S, Jbabdi, S, Welsh, R, Floeter, M

“…</p><p> Methods: Diffusion tensor imaging was carried out in postmortem brains of 4 ALS patients and two subjects without neurological disease on a 7 T MRI scanner using steady-state free precession sequences. …”

Diffusion tensor imaging defines subregions of human lateral premotor cortex with distinct frontoparietal connections by Tomassini, V, Jbabdi, S, Klein, J, Behrens, T, Rushworth, M, Matthews, P, Palace, J, Johansen-Berg, H

Enhancing microstructural specificity in diffusion MRI analysis by Rafipoor, H

Subjects:

Use of multi-flip angle measurements to account for transmit inhomogeneity and non-Gaussian diffusion in DW-SSFP. by Tendler, BC, Foxley, S, Hernandez-Fernandez, M, Cottaar, M, Scott, C, Ansorge, O, Miller, KL, Jbabdi, S

“…This allowed us to generate tensor maps at a single effective b-value yielding more consistent SNR across tissue, in addition to eliminating the B1 dependence on diffusion coefficients and orientation maps. …”

DTI measures in crossing-fibre areas: increased diffusion anisotropy reveals early white matter alteration in MCI and mild Alzheimer's disease. by Douaud, G, Jbabdi, S, Behrens, T, Menke, R, Gass, A, Monsch, A, Rao, A, Whitcher, B, Kindlmann, G, Matthews, P, Smith, S

“…Here we report whole-brain findings from a comprehensive study of diffusion tensor indices and probabilistic tractography obtained in a very large population of healthy controls, MCI and probable AD subjects. …”

High resolution diffusion-weighted imaging in fixed human brain using diffusion-weighted steady state free precession. by McNab, J, Jbabdi, S, Deoni, S, Douaud, G, Behrens, T, Miller, K

“…High resolution diffusion tensor imaging and tractography of ex vivo brain specimens has the potential to reveal detailed fibre architecture not visible on in vivo images. …”

A level set method for building anatomical connectivity paths between brain areas using DTI by Jbabdi, S, Bellec, P, Marrelec, G, Perlbarg, V, Benali, H

“…The method combines Diffusion Tensor Imaging (DTI) and Fast Marching techniques, representing an anatomical connection as the shortest path for some global minimization criterion. …”

Structural correlates of preterm birth in the adolescent brain. by Nagy, Z, Ashburner, J, Andersson, J, Jbabdi, S, Draganski, B, Skare, S, Böhm, B, Smedler, A, Forssberg, H, Lagercrantz, H

“…METHODS: High-resolution anatomic and diffusion tensor imaging data measuring diffusion in 30 directions were collected by using a 1.5-T MRI scanner. …”

A machine learning approach to diffusion MRI partial volume estimation by Vallee, E, Wu, W, Galassi, F, Jbabdi, S, Smith, S

“…Additionally, such predictions can be used to inform the fitting of the two-compartment model to retrieve a diffusion tensor that is not biased by partial volume effects or constraints.…”

Crossing fibres in tract-based spatial statistics. by Jbabdi, S, Behrens, T, Smith, S

“…Voxelwise analysis of white matter properties typically relies on scalar measurements derived, for example, from a tensor model fit to diffusion MRI data. These are spatially matched across subjects prior to statistical modelling. …”

Diffusion imaging of whole, post-mortem human brains on a clinical MRI scanner. by Miller, K, Stagg, C, Douaud, G, Jbabdi, S, Smith, S, Behrens, T, Jenkinson, M, Chance, SA, Esiri, M, Voets, N, Jenkinson, N, Aziz, T, Turner, M, Johansen-Berg, H, McNab, J

“…Region-of-interest analysis of diffusion tensor parameters indicate that these properties are altered compared to in vivo (reduced diffusivity and anisotropy), with significant dependence on post mortem interval (time from death to fixation). …”

Connectivity-based segmentation of the substantia Nigra in human and its implications in Parkinson's disease. by Menke, R, Jbabdi, S, Miller, K, Matthews, P, Zarei, M

“…We acquired quantitative T1 as well as diffusion tensor imaging (DTI) data from ten healthy subjects and ten PD patients. …”

Connectivity-based segmentation of the substantia nigra in human and its implications in Parkinson's disease. by Menke, R, Jbabdi, S, Miller, K, Matthews, P, Zarei, M

“…We acquired quantitative T1 as well as diffusion tensor imaging (DTI) data from ten healthy subjects and ten PD patients. …”

Anatomical and functional connectivity of cytoarchitectonic areas within the human parietal operculum. by Eickhoff, S, Jbabdi, S, Caspers, S, Laird, A, Fox, P, Zilles, K, Behrens, T

“…In the present study, we investigated differences in anatomical connection patterns probed by probabilistic tractography on diffusion tensor imaging data. Functional connectivity was then mapped by coordinate-based meta-analysis of imaging studies. …”

MRI characteristics of the substantia nigra in Parkinson's disease: a combined quantitative T1 and DTI study. by Menke, R, Scholz, J, Miller, K, Deoni, S, Jbabdi, S, Matthews, P, Zarei, M

“…We also investigated whether additional measures that can be obtained with diffusion tensor imaging (DTI) can further improve the MRI-guided discrimination between PD patients and controls. …”