Cited by 288Advanced Neuroimaging Techniques and ApplicationsFunctional Brain Connectivity StudiesAdvanced MRI Techniques and Applications

Quantitative diffusion tensor tractography of association and projection fibers in normally developing children and adolescents.

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Eluvathingal, Thomas J., Hasan, Khader M., Kramer, Larry, Fletcher, Jack M., Ewing-Cobbs, Linda·2007·Cerebral Cortex

Abstract

Whole-brain diffusion tensor tractography (DTT) at high signal-to-noise ratio and angular and spatial resolutions were utilized to study the effects of age, sex differences, and lateral asymmetries of 6 white matter pathways (arcuate fasciculus [AF], inferior longitudinal fasciculus, inferior fronto-occipital fasciculus [IFOF], uncinate fasciculus [UF], corticospinal tract [CST], and somatosensory pathway [SS]) in 31 right-handed children (6-17 years). Fractional anisotropy (FA), a measure of the orientational variance in water molecular diffusivity, and the magnitude of water diffusivity (parallel, perpendicular, and mean diffusivity) along the pathways were quantified. Three major patterns of maturation were observed: 1) significant increase in FA with age, accompanied by significant decreases in all 3 diffusivities (e.g., left IFOF); 2) significant decreases in all three diffusivities with age without significant changes in FA (e.g., left CST); and 3) no significant age-related changes in FA or diffusivity (e.g., SS). Sex differences were minimal. Many pathways showed lateral asymmetries. In the right hemisphere, the frontotemporal (FT) segment of AF was not visualized in a substantial (29%) number of participants. FA was higher in the left hemisphere in the FT segment of AF, UF, and CST, whereas it was lower in the frontoparietal segment of AF. This study provides normative data essential for the interpretation of pediatric brain DTT measurements in both health and disease.

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Crossref · 10.1093/cercor/bhm003

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Authors
Eluvathingal, T. J., Hasan, K. M., Kramer, L., Fletcher, J. M., & Ewing-Cobbs, L.
Affiliations
  • The University of Texas Health Science Center at Houston (US)
  • University of Houston (US)
Venue
Cerebral Cortex
Published
2007-02-16
Volume
17
Issue
12
Pages
2760-2768
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2166746511
Cited by
288
References
97
Citations by year
2026: 4 · 2025: 5 · 2024: 5 · 2023: 5 · 2022: 8 · 2021: 5 · 2020: 13 · 2019: 16 · 2018: 16 · 2017: 11 · 2016: 18 · 2015: 20 · 2014: 13 · 2013: 32 · 2012: 19
FWCI
17.50
Type
journal article
Language
en
Open access
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Neurological Disorders and Stroke (R01NS046308, R01NS052505)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P01HD035946, P01 HD 35946)
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 tractography, white matter maturation, association fibers, projection fibers, arcuate fasciculus, inferior longitudinal fasciculus, inferior fronto-occipital fasciculus, uncinate fasciculus, corticospinal tract, somatosensory pathways, fractional anisotropy, diffusion anisotropy, age-related changes, sex differences, lateral asymmetry, children and adolescents, reference values
MeSH terms
Adolescent, Adult, Aging, Brain, Child, Female, Humans, Image Interpretation, Computer-Assisted, Functional Laterality, Male, Nerve Fibers, Myelinated, Reference Values, Sex Factors, Diffusion Magnetic Resonance Imaging

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