Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
604-01-004 ISMRM Abstract

7T spinal cord fMRI using slice-wise frequency and xyz-gradient B0 shimming

Primary: Physics & Engineering - High-Field MRI
Secondary: Physics & Engineering - Shims
604-01-004 · Advanced MRI Techniques for Spinal Cord Structure, Function, and Physiology · Thursday, 14 May, 8:30 AM–10:20 AM · Ballroom East
Keywords: Artifacts Spinal Cord 7T B0 shimming Fmri
Accepted
Alexandre D'Astous 1,2, Caroline Landelle3, Arnaud Bréhéret1, Antoine Guénette1, Julien Doyon3, Eva Alonso Ortiz1,2, Julien Cohen-Adad1,2,4,5
1Polytechnique Montréal, Montréal, Canada
2CHU Sainte-Justine Research Center, Montréal, Canada, Canada
3Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Canada
4Mila - Quebec AI Institute, Montreal, Canada
5Functional Neuroimaging Unit, Montreal, Canada
Presenting Author: Alexandre D'Astous

Synopsis

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References

1. Landelle C, Lungu O, Vahdat S, Kavounoudias A, Marchand-Pauvert V, De Leener B, et al. Investigating the human spinal sensorimotor pathways through functional magnetic resonance imaging. Neuroimage. 2021 Dec 15;245(118684):118684. Available from: http://dx.doi.org/10.1016/j.neuroimage.2021.118684 [doi]
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3. de Graaf RA, Brown PB, McIntyre S, Rothman DL, Nixon TW. Dynamic shim updating (DSU) for multislice signal acquisition. Magn Reson Med. 2003 Mar;49(3):409–16. Available from: http://dx.doi.org/10.1002/mrm.10404 [doi]
4. Morrell G, Spielman D. Dynamic shimming for multi-slice magnetic resonance imaging. Magn Reson Med. 1997 Sep;38(3):477–83. Available from: http://dx.doi.org/10.1002/mrm.1910380316 [doi]
5. Sengupta S, Welch EB, Zhao Y, Foxall D, Starewicz P, Anderson AW, et al. Dynamic B0 shimming at 7 T. Magn Reson Imaging. 2011 May;29(4):483–96. Available from: https://doi.org/10.1016/j.mri.2011.01.002 [doi]
6. Koch KM, McIntyre S, Nixon TW, Rothman DL, de Graaf RA. Dynamic shim updating on the human brain. Vol. 180, Journal of Magnetic Resonance. 2006. p. 286–96. Available from: http://dx.doi.org/10.1016/j.jmr.2006.03.007 [doi]
7. Kaptan M, Vannesjo SJ, Mildner T, Horn U, Hartley-Davies R, Oliva V, et al. Automated slice-specific z-shimming for functional magnetic resonance imaging of the human spinal cord. Hum Brain Mapp. 2022 Aug 8; Available from: http://dx.doi.org/10.1002/hbm.26018 [doi]
8. Alonso-Ortiz E, Papp D, D’Astous A, Cohen-Adad J. Dynamic shimming in the cervical spinal cord for multi-echo gradient-echo imaging at 3 T. Neuroimage Rep. 2023 Mar;3(1):100150. Available from: https://doi.org/10.1016/j.ynirp.2022.100150 [doi]
9. Vannesjo J, Shi Y, Tracey I, Miller KL, Clare S. Slice-wise first-order shimming of the human spinal cord at 7T. In: Proc Intl Soc Mag Reson Med. FMRIB centre, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom; 2017.
10. Horn U, Vannesjo SJ, Gross-Weege N, Trampel R, Revina Y, Kaptan M, et al. Ultra-high-field fMRI reveals layer-specific responses in the human spinal cord. bioRxiv. 2025. Available from: https://doi.org/10.1101/2025.07.17.665316 [doi]
11. De Leener B, Lévy S, Dupont SM, Fonov VS, Stikov N, Louis Collins D, et al. SCT: Spinal Cord Toolbox, an open-source software for processing spinal cord MRI data. Neuroimage. 2017 Jan 15;145(Pt A):24–43. Available from: http://dx.doi.org/10.1016/j.neuroimage.2016.10.009 [doi]
12. D’Astous A, Cereza G, Papp D, Gilbert KM, Stockmann JP, Alonso-Ortiz E, et al. Shimming toolbox: An open-source software toolbox for B0 and B1 shimming in MRI. Magn Reson Med [Internet]. 2023 Apr;89(4):1401–17. Available from: https://doi.org/10.1002/mrm.29528 [doi]
13. Breheret A, D’Astous A, Ma Y, Stockmann JP, Cohen-Adad J. Impact of through-slice gradient optimization for dynamic slice-wise shimming in the cervico-thoracic spinal cord. Magn Reson Med. 2025 Sep;94(3):1090–102. Available from: http://dx.doi.org/10.1002/mrm.30543 [doi]
14. Bédard S, Valošek J, Oliva V, Weber KA Ii, Cohen-Adad J. Rootlets-based registration to the PAM50 spinal cord template. Imaging Neurosci (Camb). 2025 Aug 26;3(IMAG.a.123). Available from: http://dx.doi.org/10.1162/IMAG.a.123 [doi]

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http://echo.ismrm.org/p/ISMRM2026/604-01-004