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A comparative study of axon diameter imaging techniques using diffusion MRI

ZHANG, H; Barazany, D; Assaf, Y; Lundell, HM; Alexander, DC; Dyrby, T; (2011) A comparative study of axon diameter imaging techniques using diffusion MRI. In: Abbott, DF and Ackermann, JH, (eds.) Proceedings of the International Society for Magnetic Resonance in Medicine (ISMRM 2011): 19th Annual Meeting and Exhibition. (pp. 83 - 83). ISMRM: Berkeley, US. Green open access

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Abstract

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.

Type:Proceedings paper
Title:A comparative study of axon diameter imaging techniques using diffusion MRI
Open access status:An open access version is available from UCL Discovery
Publisher version:http://www.ismrm.org/11/index.htm
Language:English
Additional information:19th Annual Meeting & Exhibition held at Montreal, Canada between 7-13 May 2011
Keywords:Axon diameter, diffusion MRI
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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