Towards quantitative connectivity analysis: reducing tractography biases

G Girard, K Whittingstall, R Deriche, M Descoteaux - Neuroimage, 2014 - Elsevier
Diffusion MRI tractography is often used to estimate structural connections between brain
areas and there is a fast-growing interest in quantifying these connections based on their …

[HTML][HTML] On the cortical connectivity in the macaque brain: A comparison of diffusion tractography and histological tracing data

G Girard, R Caminiti, A Battaglia-Mayer, E St-Onge… - Neuroimage, 2020 - Elsevier
Diffusion-weighted magnetic resonance imaging (DW-MRI) tractography is a non-invasive
tool to probe neural connections and the structure of the white matter. It has been applied …

SIFT2: Enabling dense quantitative assessment of brain white matter connectivity using streamlines tractography

RE Smith, JD Tournier, F Calamante, A Connelly - Neuroimage, 2015 - Elsevier
Diffusion MRI streamlines tractography allows for the investigation of the brain white matter
pathways non-invasively. However a fundamental limitation of this technology is its non …

Microstructure informed tractography: pitfalls and open challenges

A Daducci, A Dal Palú, M Descoteaux… - Frontiers in …, 2016 - frontiersin.org
One of the major limitations of diffusion MRI tractography is that the fiber tracts recovered by
existing algorithms are not truly quantitative. Local techniques for estimating more …

Real-time multi-peak tractography for instantaneous connectivity display

M Chamberland, K Whittingstall, D Fortin… - Frontiers in …, 2014 - frontiersin.org
The computerized process of reconstructing white matter tracts from diffusion MRI (dMRI)
data is often referred to as tractography. Tractography is nowadays central in structural …

[HTML][HTML] TractoFlow: A robust, efficient and reproducible diffusion MRI pipeline leveraging Nextflow & Singularity

G Theaud, JC Houde, A Boré, F Rheault, F Morency… - Neuroimage, 2020 - Elsevier
Diffusion MRI tractography processing pipeline requires a large number of steps (typically
20+ steps). If parameters of these steps, number of threads, and random seed generators …

Surface-enhanced tractography (SET)

E St-Onge, A Daducci, G Girard, M Descoteaux - NeuroImage, 2018 - Elsevier
In this work, we exploit the T1 weighted image in conjunction with cortical surface boundary
to improve the precision of tractography under the cortex. We show that utilizing the cortical …

SIFT: Spherical-deconvolution informed filtering of tractograms

RE Smith, JD Tournier, F Calamante, A Connelly - Neuroimage, 2013 - Elsevier
Diffusion MRI allows the structural connectivity of the whole brain (the 'tractogram') to be
estimated in vivo non-invasively using streamline tractography. The biological accuracy of …

[HTML][HTML] Quantitative mapping of the brain's structural connectivity using diffusion MRI tractography: A review

F Zhang, A Daducci, Y He, S Schiavi, C Seguin… - Neuroimage, 2022 - Elsevier
Diffusion magnetic resonance imaging (dMRI) tractography is an advanced imaging
technique that enables in vivo reconstruction of the brain's white matter connections at …

COMMIT: convex optimization modeling for microstructure informed tractography

A Daducci, A Dal Palù, A Lemkaddem… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Tractography is a class of algorithms aiming at in vivo mapping the major neuronal
pathways in the white matter from diffusion magnetic resonance imaging (MRI) data. These …