Results 51 to 60 of about 2,219,909 (313)

Dissipative and nonaxisymmetric standard-MRI in Kepler disks [PDF]

, 2009
Deviations from axial symmetry are necessary to maintain self-sustained MRI-turbulence. We define the parameters region where nonaxisymmetric MRI is excited and study dependence of the unstable modes structure and growth rates on the relevant parameters.
Brandenburg, Cowling, Elsasser, Fromang, Fromang, G. Rüdiger, Hawley, Hawley, Kitchatinov, Kitchatinov, L. L. Kitchatinov, Lesur, Rüdiger, Rüdiger, Simon   +14 more
core   +1 more source

Diffusion MRI fiber tractography of the brain

NMR in Biomedicine, 2019
The ability of fiber tractography to delineate non‐invasively the white matter fiber pathways of the brain raises possibilities for clinical applications and offers enormous potential for neuroscience.
B. Jeurissen, M. Descoteaux, S. Mori, A. Leemans   +3 more
semanticscholar   +1 more source

Diffusion MRI reveals in vivo and non-invasively changes in astrocyte function induced by an aquaporin-4 inhibitor

bioRxiv, 2020
The Glymphatic System (GS) has been proposed as a mechanism to clear brain tissue from waste. Its dysfunction might lead to several brain pathologies, including the Alzheimer’s disease.
Clément S. Debaker, B. Djemai, L. Ciobanu, T. Tsurugizawa, D. Le Bihan   +4 more
semanticscholar   +1 more source

Generating Diffusion MRI scalar maps from T1 weighted images using generative adversarial networks

, 2019
Diffusion magnetic resonance imaging (diffusion MRI) is a non-invasive microstructure assessment technique. Scalar measures, such as FA (fractional anisotropy) and MD (mean diffusivity), quantifying micro-structural tissue properties can be obtained ...
DC Essen Van, Dong Nie, E Özarslan, H Emami, Jelmer M. Wolterink, MF Glasser, Sahin Olut, Z Wang   +7 more
core   +1 more source

DCE-MRI and parametric imaging in monitoring response to neoadjuvant chemotherapy in breast carcinoma : a preliminary report [PDF]

, 2018
Purpose: Neoadjuvant chemotherapy is recommended in patients with locally advanced breast cancer. Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) enables evaluation of the tumour neovasculature that occurs prior to any volume change, which
Fotedar, Vikas, Seam, Rajeev K., Sharma, Anjna, Sharma, Mukesh, Sharma, Sanjiv, Sood, Shikha   +5 more
core   +1 more source

High‐fidelity, accelerated whole‐brain submillimeter in vivo diffusion MRI using gSlider‐spherical ridgelets (gSlider‐SR)

Magnetic Resonance in Medicine, 2020
To develop an accelerated, robust, and accurate diffusion MRI acquisition and reconstruction technique for submillimeter whole human brain in vivo scan on a clinical scanner.
Gabriel Ramos-Llordén, L. Ning, C. Liao, Rinat Mukhometzianov, O. Michailovich, K. Setsompop, Y. Rathi   +6 more
semanticscholar   +1 more source

Diffusion Tensor Imaging for Assessment of Response to Neoadjuvant Chemotherapy in Patients With Breast Cancer. [PDF]

, 2016
In this study, the prognostic significance of tumor metrics derived from diffusion tensor imaging (DTI) was evaluated in patients with locally advanced breast cancer undergoing neoadjuvant therapy.
Harnish, Roy, Hylton, Nola M, Li, Wen, Newitt, David C, Proctor, Evelyn, Shin, Hee Jung, Wilmes, Lisa J   +6 more
core   +1 more source

Microstructural damage of the posterior corpus callosum contributes to the clinical severity of neglect [PDF]

, 2012
One theory to account for neglect symptoms in patients with right focal damage invokes a release of inhibition of the right parietal cortex over the left parieto-frontal circuits, by disconnection mechanism.
AC Nobre, B Wilson, CA Wheeler-Kingshott, Carlo Caltagirone, Chiara Mastropasqua, D Büsch, D Le Bihan, DR Gitelman, E Bisiach, G Koch, G Koch, G Koch, G Vallar, Giacomo Koch, Giovanni Giulietti, J Driver, KM Heilman, KM Heilman, L Serra, M Bozzali, M Corbetta, M Inglese, M Jenkinson, M Kinsbourne, M Kyriakopoulos, Mara Cercignani, Marco Bozzali, MC Ridding, ME Vargas, MM Mesulam, PJ Basser, Qiyong Gong, S Benjamin, SK Song, SK Song, SM Smith, SM Smith, Sonia Bonnì, TP Cassidy   +38 more
core   +2 more sources

Diffusion MRI: what water tells us about the brain

EMBO Molecular Medicine, 2014
Diffusion MRI has been used worldwide to produce images of brain tissue structure and connectivity, in the normal and diseased brain. Diffusion MRI has revolutionized the management of acute brain ischemia (stroke), saving life of many patients and ...
Denis Le Bihan
doaj   +1 more source

The assessment of cerebral white matter microstructure in cerebral small vessel disease based on the diffusion-weighted magnetic resonance imaging

Анналы клинической и экспериментальной неврологии, 2020
Introduction. Multidimensional or biophysical modelling approaches are actively used to examine the complex microstructure of brain matter in diffusion-weighted MRI, where tissue structures are schematically simplified and divided into separate regions ...
Elena I. Kremneva, Ivan I. Maximov, Larisa A. Dobrynina, Marina V. Krotenkova   +3 more
doaj   +1 more source