Cited by 1,708Advanced Neuroimaging Techniques and ApplicationsFunctional Brain Connectivity StudiesAdvanced MRI Techniques and Applications

Principles of diffusion tensor imaging and its applications to basic neuroscience research

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Mori, Susumu, Zhang, Jiangyang·2006·Neuron

Abstract

The brain contains more than 100 billion neurons that communicate with each other via axons for the formation of complex neural networks. The structural mapping of such networks during health and disease states is essential for understanding brain function. However, our understanding of brain structural connectivity is surprisingly limited, due in part to the lack of noninvasive methodologies to study axonal anatomy. Diffusion tensor imaging (DTI) is a recently developed MRI technique that can measure macroscopic axonal organization in nervous system tissues. In this article, the principles of DTI methodologies are explained, and several applications introduced, including visualization of axonal tracts in myelin and axonal injuries as well as human brain and mouse embryonic development. The strengths and limitations of DTI and key areas for future research and development are also discussed.

Integrity signals

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Crossref · 10.1016/j.neuron.2006.08.012

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  • WM integrity can be affected by many different parameters including axon packing density, axon caliber, myelination, microglia, inflammation, and tissue architecture.

    “This has led to considerable debate, since the inception of DTI, over the biological significance of these DTI-derived measures since WM integrity can be affected by many different parameters including axon packing density, axon caliber, myelination, microglia, inflammation, and tissue architecture (Mori and Zhang, 2006; Le Bihan and Johansen-Berg, 2012; Jones et al., 2013).”
  • DTI is the most commonly employed diffusion model and utilizes the magnitude and orientation of anisotropic water diffusion to estimate the WM structure of brain tissue, producing maps of macroscopic axonal organization.

    “Diffusion tensor imaging (DTI) is the most commonly employed diffusion model and utilizes the magnitude and orientation of anisotropic water diffusion to estimate the WM structure of brain tissue, thereby producing maps of macroscopic axonal organization in the brain (Basser and Pierpaoli, 1996; Le Bihan et al., 2001; Mori and Zhang, 2006).”

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Authors
Mori, S., & Zhang, J.
Affiliations
  • Kennedy Krieger Institute (US)
  • Johns Hopkins University (US)
Corresponding author
Mori, Susumu
Venue
Neuron
Publisher
Elsevier BV
Published
2006-09
Volume
51
Issue
5
Pages
527-539
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2156295356
Cited by
1,708
References
4
Citations by year
2026: 58 · 2025: 59 · 2024: 54 · 2023: 60 · 2022: 94 · 2021: 101 · 2020: 112 · 2019: 106 · 2018: 100 · 2017: 131 · 2016: 105 · 2015: 106 · 2014: 105 · 2013: 94 · 2012: 95
FWCI
43.93
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Aging (R01AG020012, AG 20012)
  • National Institute of Environmental Health Sciences (ES 012665, R01ES012665)
  • National Institute of Biomedical Imaging and Bioengineering (R01EB003543, EB 003543)
  • National Center for Research Resources (RR-15241, P41RR015241)
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 tensor imaging, structural brain connectivity, axonal tracts, myelin, axonal injury, brain development, mouse embryo development, white matter, non-invasive brain imaging
MeSH terms
Animals, Axons, Brain, Brain Injuries, Contrast Media, Humans, Image Enhancement, Magnetic Resonance Imaging, Myelin Sheath, Diffusion Magnetic Resonance Imaging, Mice

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