Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
452-02-007 / 452-02-007 ISMRM Abstract

Initial observation study on axon water fraction changes during functional activity using multi-echo gradient echo (mGRE)

Primary: Brain Function and fMRI - Task/Intervention Based fMRI
Secondary: Brain Function and fMRI - fMRI Acquisition
452-02-007 · Methodology: Acquisition and Analysis · Tuesday, 12 May, 1:40 PM–3:16 PM · Power Pitch Theatre 2
452-02-007 · Methodology: Acquisition and Analysis · Tuesday, 12 May, 1:40 PM–3:16 PM · Power Pitch Theatre 2
Keywords: Task/Intervention Based fMRI Myelin water fraction Multi-echo GRE Functional MRI
Accepted
Jae-Yoon Kim 1, Kyu-Jin Jung2, Dong-Hyun Kim1
1Department of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea, Republic of
2Department of Electrical Engineering and Computer Sciences, University of California Berkeley, Berkeley, United States of America
Presenting Author: Jae-Yoon Kim

Synopsis

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References

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4. Kwon J, Lee S, Jo Y, et al. All-optical observation on activity-dependent nanoscale dynamics of myelinated axons. Neurophotonics 10.1 (2023): 015003-015003. https://doi.org/10.1117/1.NPh.10.1.015003 [doi]
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6. Olszowy W, Diao Y, Jelescu I.O, Beyond BOLD: Evidence for diffusion fMRI contrast in the human brain distinct from neurovascular response. bioRxiv (2021): 2021-05. https://doi.org/10.1101/2021.05.16.444253 [doi]
7. de Riedmatten I, Spencer A.P, Olszowy W, et al. Apparent Diffusion Coefficient fMRI shines light on white matter resting-state connectivity compared to BOLD. Communications biology 8.1 (2025): 447. https://doi.org/10.1038/s42003-025-07889-0 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/452-02-007