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Article
Uncinate fasciculus fiber tracking in mesial temporal lobe epilepsy. Initial findings
In temporal lobe epilepsy (TLE) due to hippocampal sclerosis (HS), ictal discharge spread to the frontal and insulo-perisylvian cortex is commonly observed. The implication of white matter pathways in this pro...
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Article
Optimized diffusion gradient orientation schemes for corrupted clinical DTI data sets
Object:A method is proposed for generating schemes of diffusion gradient orientations which allow the diffusion tensor to be reconstructed from partial data sets in clinical DT-MRI, shoul...
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Chapter and Conference Paper
MR Diffusion-Based Inference of a Fiber Bundle Model from a Population of Subjects
This paper proposes a method to infer a high level model of the white matter organization from a population of subjects using MR diffusion imaging. This method takes as input for each subject a set of trajecto...
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Chapter and Conference Paper
Fiber Tracking in q-Ball Fields Using Regularized Particle Trajectories
Most of the approaches dedicated to fiber tracking from diffusion-weighted MR data rely on a tensor model. However, the tensor model can only resolve a single fiber orientation within each imaging voxel. New e...
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Chapter and Conference Paper
A Spin Glass Based Framework to Untangle Fiber Crossing in MR Diffusion Based Tracking
We propose a general approach to the reconstruction of brain white matter geometry from diffusion-weighted data. This approach is based on an inverse problem framework. The optimal geometry corresponds to the ...
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Article
Anatomy of verbal memory: a functional MRI study
The recent advent of new functional neuroimaging techniques such as functional magnetic resonance imaging (fMRI) makes it possible to examine cerebral activations in healthy individuals. In the present study,...
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Article
Slice acquisition order and blood oxygenation level dependent frequency content: an event-related functional magnetic resonance imaging study
Many event-related functional magnetic resonance imaging paradigms performed so far have been designed to study a limited part of the brain with high temporal resolution. However, event-related paradigms can b...
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Chapter and Conference Paper
Eddy-Current Distortion Correction and Robust Tensor Estimation for MR Diffusion Imaging
This paper presents a new procedure to estimate the di.usion tensor from a sequence of diffusion-weighted images. The first step of this procedure consists of the correction of the distortions usually induced ...
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Chapter and Conference Paper
Regularization of MR diffusion tensor maps for tracking brain white matter bundles
We propose a new way for tracking brain white matter fiber bundles in diffusion tensor maps. Diffusion maps provide information about mobility of water protons in different directions. Assuming that diffusion ...
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Chapter and Conference Paper
Diffusion, Perfusion and Functional MRI
Recent developments in the use of magnetic resonance (MR) imaging to measure and image molecular diffusion and blood microcirculation (perfusion) hold significant promise in the evaluation of anatomic and func...