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  In vivo 3D axonal diameter estimation in the human brain with 300 mT/m gradient MRI

Anwander, A., Knösche, T. R., Witzel, T., Horowitz, A., & Assaf, Y. (2018). In vivo 3D axonal diameter estimation in the human brain with 300 mT/m gradient MRI. Poster presented at 26th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM), Paris, France.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-5FFB-B Version Permalink: https://hdl.handle.net/21.11116/0000-0001-EA25-E
Genre: Poster

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http://indexsmart.mirasmart.com/ISMRM2018/PDFfiles/3102.html (Any fulltext)
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 Creators:
Anwander, Alfred1, Author           
Knösche, Thomas R.2, Author           
Witzel, Thomas3, Author
Horowitz, Assaf3, Author
Assaf, Yaniv3, Author
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Methods and Development Unit - Cortical Networks and Cognitive Functions, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634557              
3External Organizations, ou_persistent22              

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 Abstract: Synopsis The estimation of neural micro-structure in general and axon diameter in particular became feasible using advanced diffusion imaging frameworks such as CHARMED and AxCaliber. Recently, the AxCaliber model was extended to 3D enabling to capture the axonal properties of any fiber system in the brain. In this work we challenged the utility of using the CONNECTOM MRI, that provides a gradient strength of up to 300 mT/m, for axon diameter estimation. We found that the sensitivity of the model towards small diameter axons increases dramatically with the use of the strong gradient system increasing the validity and accuracy of AxCaliber3D.

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Language(s): eng - English
 Dates: 2018-06-16
 Publication Status: Not specified
 Pages: -
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Title: 26th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM)
Place of Event: Paris, France
Start-/End Date: 2018-06-16 - 2018-06-21

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