3D interactive tractography-informed resting-state fMRI connectivity

Frontiers in Neuroscience
Maxime ChamberlandMaxime Descoteaux

Abstract

In the past decade, the fusion between diffusion magnetic resonance imaging (dMRI) and functional magnetic resonance imaging (fMRI) has opened the way for exploring structure-function relationships in vivo. As it stands, the common approach usually consists of analysing fMRI and dMRI datasets separately or using one to inform the other, such as using fMRI activation sites to reconstruct dMRI streamlines that interconnect them. Moreover, given the large inter-individual variability of the healthy human brain, it is possible that valuable information is lost when a fixed set of dMRI/fMRI analysis parameters such as threshold values are assumed constant across subjects. By allowing one to modify such parameters while viewing the results in real-time, one can begin to fully explore the sensitivity of structure-function relations and how they differ across brain areas and individuals. This is especially important when interpreting how structure-function relationships are altered in patients with neurological disorders, such as the presence of a tumor. In this study, we present and validate a novel approach to achieve this: First, we present an interactive method to generate and visualize tractography-driven resting-state functional ...Continue Reading

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Citations

Sep 2, 2016·International Journal of Computer Assisted Radiology and Surgery·Simon DrouinD Louis Collins
Sep 21, 2016·Human Brain Mapping·Maxime ChamberlandSimon K Warfield
May 12, 2017·Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism·Rebecca W PakArvind P Pathak
Dec 1, 2017·Healthcare Technology Letters·Saeed M BakhshmandSandrine de Ribaupierre
Aug 22, 2017·Brain Connectivity·Maxime ChamberlandKevin Whittingstall
Aug 25, 2018·Brain Connectivity·Michelle E Fox, Tricia Z King
Mar 18, 2020·Brain Structure & Function·Davy Charles VanderweyenDavid Fortin
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Dec 5, 2017·Neuroscience and Biobehavioral Reviews·Diana C GhindaGeorg Northoff

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Software Mentioned

MRtrix
FSL
AFNI
Fibernavigator
Dipy
ANTS
FATCAT
GRAPPA

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