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Publication Detail
A comparative study of axon diameter imaging techniques using diffusion MRI
  • Publication Type:
    Conference presentation
  • Authors:
    ZHANG H, Barazany D, Assaf Y, Lundell HM, Alexander DC, Dyrby T
  • Date:
  • Status:
  • Language:
  • Keywords:
    Axon diameter, diffusion MRI
  • Notes:
    19th Annual Meeting & Exhibition held at Montreal, Canada between 7-13 May 2011.
Axon diameter and density provide information about the function and performance of white matter pathways. Direct measurement of such microstructure features offers more specific biomarkers than DTI indices. Many techniques to measure axon diameter statistics using diffusion MRI have been proposed in the literature, ranging from model-based approaches to Q-space imaging, but little is known of their relative performance and consistency. This work compares several representative model-based approaches quantitatively to gain insight into how the choices of tissue model and imaging protocol impact the estimation of microstructural features.
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