Cited by 152Advanced Neuroimaging Techniques and ApplicationsFunctional Brain Connectivity StudiesAdvanced MRI Techniques and Applications

Global tractography of multi-shell diffusion-weighted imaging data using a multi-tissue model

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Christiaens, Daan, Reisert, Marco, Dhollander, Thijs, Sunaert, Stefan, Suetens, Paul, Maes, Frederik·2015·NeuroImage

Abstract

Diffusion-weighted imaging and tractography provide a unique, non-invasive technique to study the macroscopic structure and connectivity of brain white matter in vivo. Global tractography methods aim at reconstructing the full-brain fiber configuration that best explains the measured data, based on a generative signal model. In this work, we incorporate a multi-shell multi-tissue model based on spherical convolution, into a global tractography framework, which allows to deal with partial volume effects. The required tissue response functions can be estimated from and hence calibrated to the data. The resulting track reconstruction is quantitatively related to the apparent fiber density in the data. In addition, the fiber orientation distribution for white matter and the volume fractions of gray matter and cerebrospinal fluid are produced as ancillary results. Validation results on simulated data demonstrate that this data-driven approach improves over state-of-the-art streamline and global tracking methods, particularly in the valid connection rate. Results in human brain data correspond to known white matter anatomy and show improved modeling of partial voluming. This work is an important step toward detecting and quantifying white matter changes and connectivity in healthy subjects and patients.

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Crossref · 10.1016/j.neuroimage.2015.08.008

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Authors
Christiaens, D., Reisert, M., Dhollander, T., Sunaert, S., Suetens, P., & Maes, F.
Affiliations
  • Universitair Ziekenhuis Leuven (BE)
  • University of Freiburg (DE)
  • Florey Institute of Neuroscience and Mental Health (AU)
Corresponding author
Christiaens, Daan
Venue
NeuroImage
Publisher
Elsevier BV
Published
2015-12
Volume
123
Pages
89-101
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1133283280
Cited by
152
References
9
Citations by year
2026: 4 · 2025: 19 · 2024: 17 · 2023: 10 · 2022: 17 · 2021: 12 · 2020: 18 · 2019: 18 · 2018: 18 · 2017: 9 · 2016: 8 · 2015: 2
FWCI
9.09
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • FreiDok plus (Universitätsbibliothek Freiburg) (submittedVersion)
  • Lirias (submittedVersion, other-oa)
Funders
  • Agency for Innovation by Science and Technology (IWT) (121013)
  • KU Leuven Concerted Research Action (GOA/11/006)
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
spherical convolution, partial volume effect, fiber orientation distribution, white matter connectivity, fiber density, white matter
MeSH terms
Brain, Computer Simulation, Humans, Image Processing, Computer-Assisted, Markov Chains, Monte Carlo Method, Signal Processing, Computer-Assisted, Reproducibility of Results, Diffusion Magnetic Resonance Imaging, Diffusion Tensor Imaging, White Matter, Gray Matter

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