Results 51 to 60 of about 372,517 (152)

Improving Fiber Alignment in HARDI by Combining Contextual PDE Flow with Constrained Spherical Deconvolution. [PDF]

open access: yesPLoS ONE, 2015
We propose two strategies to improve the quality of tractography results computed from diffusion weighted magnetic resonance imaging (DW-MRI) data.
J M Portegies   +5 more
doaj   +1 more source

In vivo Analysis of Normal Optic Nerve in an Elderly Population Using Diffusion Magnetic Resonance Imaging Tractography

open access: yesFrontiers in Neurology, 2021
Purpose: To quantitatively investigate the microstructural properties of the optic nerve (ON) in vivo using diffusion magnetic resonance imaging (dMRI) tractography in an elderly population and to determine the differences between the ON diffusion ...
Yeji Moon   +29 more
doaj   +1 more source

Development of interactive MRI‐based 3D visualization tools for neuroanatomy education in Latin America

open access: yesAnatomical Sciences Education, EarlyView.
Abstract The study of neuroanatomy is fundamental in many scientific fields. Despite this, it is a challenging subject for students. As technology evolves, it is being increasingly incorporated into educational methods, including the teaching of neuroanatomy. Three‐dimensional (3D) visualizations are well suited for displaying neuroanatomy.
Merlin J. Fair   +5 more
wiley   +1 more source

A Random Riemannian Metric for Probabilistic Shortest-Path Tractography [PDF]

open access: yes, 2015
Shortest-path tractography SPT algorithms solve global optimization problems defined from local distance functions. As diffusion MRI data is inherently noisy, so are the voxelwise tensors from which local distances are derived. We extend Riemannian SPT by modeling the stochasticity of the diffusion tensor as a "random Riemannian metric", where a ...
Søren Hauberg   +4 more
openaire   +4 more sources

Connectome analysis with diffusion MRI in idiopathic Parkinson's disease: Evaluation using multi-shell, multi-tissue, constrained spherical deconvolution

open access: yesNeuroImage: Clinical, 2018
Parkinson's disease (PD) is a progressive neurodegenerative disorder that affects extensive regions of the central nervous system. In this work, we evaluated the structural connectome of patients with PD, as mapped by diffusion-weighted MRI tractography ...
Koji Kamagata   +12 more
doaj   +1 more source

Artificial intelligence for adaptive neuromodulation in drug‐resistant epilepsy

open access: yesEpilepsia, EarlyView.
Abstract Drug‐resistant epilepsy (DRE) affects nearly one third of people with epilepsy and is associated with substantial cognitive, psychiatric, and mortality burdens. For patients who are not candidates for resection or laser interstitial thermal therapy, neuromodulation therapies such as vagus nerve stimulation, deep brain stimulation, and ...
Amir Hossein Daraie   +10 more
wiley   +1 more source

A rapid streamline-based extension of Tractfinder for white matter tract segmentation

open access: yesFrontiers in Neuroimaging
Accurate delineation of white matter tracts is critical in the pre-operative assessment of paediatric brain tumour patients, where preservation of eloquent pathways directly influences surgical planning and functional outcomes.
Dana Kanel   +5 more
doaj   +1 more source

Impairment of ictal consciousness and psychosis in drug‐resistant focal epilepsy: A retrospective clinical cohort study

open access: yesEpilepsia, EarlyView.
Abstract Objective Psychoses of epilepsy (POE) affect up to 13% of patients with focal epilepsy. Whereas interictal risk factors are well documented, ictal correlates of POE remain poorly characterized. We hypothesized that an impairment of ictal consciousness on the Consciousness Seizure Scale (CSS), would be associated with POE.
Alexis Tarrada   +8 more
wiley   +1 more source

Abnormal cingulum bundle development in autism: A probabilistic tractography study [PDF]

open access: yesPsychiatry Research: Neuroimaging, 2014
There is now considerable evidence that white matter abnormalities play a role in the neurobiology of autism. Little research has been directed, however, at understanding (a) typical white matter development in autism and how this relates to neurocognitive impairments observed in the disorder.
Toshikazu Ikuta   +6 more
openaire   +2 more sources

The translational asymmetry of corpus callosotomy: Two literatures that answered different questions

open access: yesEpilepsia Open, EarlyView.
Abstract Corpus callosotomy is an established palliative operation for drug‐resistant epilepsy dominated by drop attacks, and it is performed in three extents: anterior, usually of the anterior two‐thirds; total, in one or two stages; and selective posterior, which preserves the genu and rostral body.
Vitória Bernal Cavalcanti   +1 more
wiley   +1 more source

Home - About - Disclaimer - Privacy