Search Results - "Latt, J."

Impact of collision models on the physical properties and the stability of lattice Boltzmann methods by Coreixas, C., Wissocq, G., Chopard, B., Latt, J.

“…The lattice Boltzmann method (LBM) is known to suffer from stability issues when the collision model relies on the BGK approximation, especially in the zero…”
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Advances in multi-domain lattice Boltzmann grid refinement by Lagrava, D., Malaspinas, O., Latt, J., Chopard, B.

“…Grid refinement has been addressed by different authors in the lattice Boltzmann method community. The information communication and reconstruction on grid…”
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Predictive value of diffusion MRI-based parametric response mapping for prognosis and treatment response in glioblastoma by Rydelius, A, Bengzon, J, Engelholm, S, Kinhult, S, Englund, E, Nilsson, M, Lätt, J, Lampinen, B, Sundgren, P C

“…Early detection of treatment response is important for the management of patients with malignant brain tumors such as glioblastoma to assure good quality of…”
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Diffusion tensor imaging and tractography of the white matter in normal aging: The rate-of-change differs between segments within tracts by Mårtensson, J, Lätt, J, Åhs, F, Fredrikson, M, Söderlund, H, Schiöth, H.B, Kok, J, Kremer, B, van Westen, Danielle, Larsson, E.-M, Nilsson, M

“…Abstract Knowledge concerning the normal aging of cerebral white matter will improve our understanding of abnormal changes in neurodegenerative diseases. The…”
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White matter lesions and brain atrophy in systemic lupus erythematosus patients: correlation to cognitive dysfunction in a cohort of systemic lupus erythematosus patients using different definition models for neuropsychiatric systemic lupus erythematosus by Cannerfelt, B, Nystedt, J, Jönsen, A, Lätt, J, van Westen, D, Lilja, A, Bengtsson, A, Nilsson, P, Mårtensson, J, Sundgren, P C

“…Aim The aim of this study was to evaluate the extent of white matter lesions, atrophy of the hippocampus and corpus callosum, and their correlation with…”
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Detailed assessment of hypothalamic damage in craniopharyngioma patients with obesity by Fjalldal, S., Follin, C., Gabery, S., Sundgren, P. C., Björkman-Burtscher, I. M., Lätt, J., Mannfolk, P., Nordström, C. H., Rylander, L., Ekman, B., Cheong, R., Pålsson, A., Petersén, Å., Erfurth, E. M.

“…Background/objectives Hypothalamic obesity (HO) occurs in 50% of patients with the pituitary tumor craniopharyngioma (CP). Attempts have been made to predict…”
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Differentiation between glioblastomas and brain metastases and regarding their primary site of malignancy using dynamic susceptibility contrast MRI at 3T by Askaner, K, Rydelius, A, Engelholm, S, Knutsson, L, Lätt, J, Abul-Kasim, K, Sundgren, PC

“…Differentiation between glioblastoma and brain metastasis may be challenging in conventional contrast-enhanced MRI. To investigate if perfusion-weighted MRI is…”
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Abnormal cerebral hemodynamics and blood-brain barrier permeability detected with perfusion MRI in systemic lupus erythematosus patients by Salomonsson, T., Rumetshofer, T., Jönsen, A., Bengtsson, A.A., Zervides, K.A., Nilsson, P., Knutsson, M., Wirestam, R., Lätt, J., Knutsson, L., Sundgren, P.C.

“…•Investigating cerebral perfusion in SLE patients, using three different attribution models for NPSLE.•Alterations in perfusion-based metrics between SLE…”
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The lattice Boltzmann advection-diffusion model revisited by Chopard, B., Falcone, J. L., Latt, J.

“…Advection-diffusion processes can be simulated by the Lattice Boltzmann method. Two formulations have been proposed in the literature. We show that they are…”
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Microstructural white matter alterations and hippocampal volumes are associated with cognitive deficits in craniopharyngioma by Fjalldal, S, Follin, C, Svärd, D, Rylander, L, Gabery, S, Petersén, Å, van Westen, D, Sundgren, P C, Björkman-Burtscher, I M, Lätt, J, Ekman, B, Johanson, A, Erfurth, E M

“…Context Patients with craniopharyngioma (CP) and hypothalamic lesions (HL) have cognitive deficits. Which neural pathways are affected is unknown. Objective To…”
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Plasma neurofilament light protein correlates with diffusion tensor imaging metrics in frontotemporal dementia by Spotorno, Nicola, Lindberg, Olof, Nilsson, Christer, Landqvist Waldö, Maria, van Westen, Danielle, Nilsson, Karin, Vestberg, Susanna, Englund, Elisabet, Zetterberg, Henrik, Blennow, Kaj, Lätt, Jimmy, Markus, Nilsson, Lars-Olof, Wahlund, Alexander, Santillo

“…Neurofilaments are structural components of neurons and are particularly abundant in highly myelinated axons. The levels of neurofilament light chain (NfL) in…”
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Cognitive performance in systemic lupus erythematosus patients: a cross-sectional and longitudinal study by Langensee, L, Mårtensson, J, Jönsen, A, Zervides, K, Bengtsson, A, Nystedt, J, Cannerfelt, B, Nilsson, P, Mannfolk, P, Lätt, J, Rumetshofer, T, Sundgren, P C

“…Previous research has provided evidence for cognitive dysfunction as a common symptom of systemic lupus erythematosus (SLE). In light of this, the primary goal…”
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General regularized boundary condition for multi-speed lattice Boltzmann models by Malaspinas, O., Chopard, B., Latt, J.

“…The lattice Boltzmann method is nowadays a common tool for solving computational fluid dynamics problems. One of the difficulties of this numerical approach is…”
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Diffusion-weighted MRI measurements on stroke patients reveal water-exchange mechanisms in sub-acute ischaemic lesions by Lätt, J., Nilsson, M., van Westen, D., Wirestam, R., Ståhlberg, F., Brockstedt, S.

“…The aim of this study was to investigate the diffusion time dependence of signal‐versus‐b curves obtained from diffusion‐weighted magnetic resonance imaging…”
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Measurements of wall shear stress with the lattice Boltzmann method and staircase approximation of boundaries by Stahl, B., Chopard, B., Latt, J.

“…We analyze the accuracy of wall shear stress measurements in lattice Boltzmann simulations that are based on a voxel representation of the geometry and…”
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Evaluating the accuracy and precision of a two-compartment Kärger model using Monte Carlo simulations by Nilsson, M., Alerstam, E., Wirestam, R., Sta˚hlberg, F., Brockstedt, S., Lätt, J.

“…Specific parameters of the neuronal tissue microstructure, such as axonal diameters, membrane permeability and intracellular water fractions are assessable…”
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Disease-specific structural changes in thalamus and dentatorubrothalamic tract in progressive supranuclear palsy by Surova, Yulia, Nilsson, Markus, Lätt, Jimmy, Lampinen, Björn, Lindberg, Olof, Hall, Sara, Widner, Håkan, Nilsson, Christer, van Westen, Danielle, Hansson, Oskar

“…Introduction The aim of this study is to identify disease-specific changes of the thalamus, basal ganglia, pons, and midbrain in patients with progressive…”
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Structural and microstructural thalamocortical network disruption in sporadic behavioural variant frontotemporal dementia by Jakabek, David, Power, Brian D., Spotorno, Nicola, Macfarlane, Matthew D., Walterfang, Mark, Velakoulis, Dennis, Nilsson, Christer, Waldö, Maria Landqvist, Lätt, Jimmy, Nilsson, Markus, van Westen, Danielle, Lindberg, Olof, Looi, Jeffrey C.L., Santillo, Alexander F.

“…•Multimodal analysis of sporadic behavioural variant frontotemporal dementia.•Simultaneous analysis of cortical thickness, diffusion metrics, and thalamic…”
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Anterior cingulate sulcation is associated with onset and survival in frontotemporal dementia by Harper, Luke, de Boer, Sterre, Lindberg, Olof, Lätt, Jimmy, Cullen, Nicholas, Clark, Lyles, Irwin, David, Massimo, Lauren, Grossman, Murray, Hansson, Oskar, Pijnenburg, Yolande, McMillan, Corey T, Santillo, Alexander F

“…Abstract Frontotemporal dementia is the second most common form of early onset dementia (<65 years). Despite this, there are few known disease-modifying…”
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Accuracy of q-Space Related Parameters in MRI: Simulations and Phantom Measurements by Latt, J., Nilsson, M., Malmborg, C., Rosquist, H., Wirestam, R., Sthlberg, F., Topgaard, D., Brockstedt, S.

“…The accuracy of q-space measurements was evaluated at a 3.0-T clinical magnetic resonance imaging (MRI) scanner, as compared with a 4.7-T nuclear magnetic…”
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