Cited by 1,370Advanced Neuroimaging Techniques and ApplicationsFunctional Brain Connectivity StudiesAdvanced MRI Techniques and Applications

MRtrix: Diffusion tractography in crossing fiber regions

Tournier, J‐Donald, Calamante, Fernando, Connelly, Alan·2012·International Journal of Imaging Systems and Technology

Abstract

In recent years, diffusion‐weighted magnetic resonance imaging has attracted considerable attention due to its unique potential to delineate the white matter pathways of the brain. However, methodologies currently available and in common use among neuroscientists and clinicians are typically based on the diffusion tensor model, which has comprehensively been shown to be inadequate to characterize diffusion in brain white matter. This is due to the fact that it is only capable of resolving a single fiber orientation per voxel, causing incorrect fiber orientations, and hence pathways, to be estimated through these voxels. Given that the proportion of affected voxels has been recently estimated at 90%, this is a serious limitation. Furthermore, most implementations use simple “deterministic” streamlines tracking algorithms, which have now been superseded by “probabilistic” approaches. In this study, we present a robust set of tools to perform tractography, using fiber orientations estimated using the validated constrained spherical deconvolution method, coupled with a probabilistic streamlines tracking algorithm. This methodology is shown to provide superior delineations of a number of known white matter tracts, in a manner robust to crossing fiber effects. These tools have been compiled into a software package, called MRtrix, which has been made freely available for use by the scientific community. © 2012 Wiley Periodicals, Inc. Int J Imaging Syst Technol, 22, 53–66, 2012

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Crossref · 10.1002/ima.22005

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Authors
Tournier, J., Calamante, F., & Connelly, A.
Affiliations
The University of Melbourne (AU)
Corresponding author
Tournier, J‐Donald
Venue
International Journal of Imaging Systems and Technology
Publisher
Wiley
Published
2012-02-14
Volume
22
Issue
1
Pages
53-66
ISSN
  • 0899-9457 (ISSN-L)
  • 1098-1098
OpenAlex
W2149092213
Cited by
1,370
References
73
Citations by year
2026: 50 · 2025: 111 · 2024: 81 · 2023: 84 · 2022: 130 · 2021: 142 · 2020: 136 · 2019: 138 · 2018: 116 · 2017: 110 · 2016: 84 · 2015: 85 · 2014: 48 · 2013: 43 · 2012: 11
FWCI
45.16
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Imaging Systems and Technology (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
  • State Government of Victoria
  • National Health and Medical Research Council
  • National Medical Research Council
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
Keywords
diffusion tractography, crossing fibers, constrained spherical deconvolution, diffusion-weighted imaging, white matter tracts, fiber orientation estimation

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