Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
569-05-005 ISMRM Abstract

Quantitative 1H MRS in gray and white matter in the human brain with localized B1+ shimming at 11.7T

Primary: Acquisition & Reconstruction - Spectroscopy and spectroscopic imaging
Secondary: Neuro - Gray Matter
569-05-005 · Spectroscopy and Spectroscopic Imaging: Methods · Wednesday, 13 May, 4:00 PM–4:55 PM · Digital Posters Row J
Keywords: Gray Matter Relaxation times In vivo proton magnetic resonance spectroscopy Human brain Ultra high field
Accepted
Alfredo L Lopez Kolkovsky1, Franck Mauconduit 1, Vincent Gras1, Aurélien Massire2, Son Chu3, Shajan Gunamony3, Nicolas Boulant1, Alexis S Amadon1, Fawzi Boumezbeur1
1CEA NeuroSpin, Paris-Saclay University, CNRS, Gif-Sur-Yvette, France
2Siemens Healthcare SAS, Courbevoie, France
3Imaging Center of Excellence, Glasgow, United Kingdom
Presenting Author: Franck Mauconduit

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References

1. B. R. Godlewska, S. Clare, P. J. Cowen, and U. E. Emir, ‘Ultra-High-Field Magnetic Resonance Spectroscopy in Psychiatry’, Front Psychiatry, vol. 8, Jul. 2017, doi: 10.3389/fpsyt.2017.00123. [doi]
2. I. Tkáč, P. Andersen, G. Adriany, H. Merkle, K. Uǧurbil, and R. Gruetter, ‘In vivo 1 H NMR spectroscopy of the human brain at 7 T’, Magn Reson Med, vol. 46, no. 3, pp. 451–456, Sep. 2001, doi: 10.1002/mrm.1213. [doi]
3. N. Boulant et al., ‘Commissioning of the Iseult CEA 11.7 T whole-body MRI: current status, gradient–magnet interaction tests and first imaging experience’, Magnetic Resonance Materials in Physics, Biology and Medicine, vol. 36, no. 2, pp. 175–189, Jan. 2023, doi: 10.1007/s10334-023-01063-5. [doi]
4. S. Chu, D. Baskaran, F. Mauconduit, V. Gras, N. Boulant, and S. Gunamony, ‘An 8-Channel Transmit Array in Combination with a 31-Channel Receive Array for Human Brain Imaging at 11.7T’, in Proceedings of the Annual Scientific Meeting of the ISMRM, Singapore, 2024, p. 1415.
5. A. Amadon, M. A. Cloos, N. Boulant, M.-F. Hang, C. J. Wiggins, and H.-P. Fautz, ‘Validation of a very fast B1-mapping sequence for parallel transmission on a human brain at 7T.’, in Proceedings of the 20th Annual Meeting of ISMRM, Melbourne, Australia, 2012, p. 3358.
6. B. Pinho Meneses et al., ‘Shim coils tailored for correcting B0 inhomogeneity in the human brain (SCOTCH): Design methodology and 48-channel prototype assessment in 7-Tesla MRI’, Neuroimage, vol. 261, p. 119498, Nov. 2022, doi: 10.1016/j.neuroimage.2022.119498. [doi]
7. A. L. Lopez Kolkovsky et al., ‘Metabolite T1 and T2 relaxation times in the macaque brain at 11.7 T with local B1+ shimming’, in Proceedings of the Annual Scientific Meeting of the ISMRM, Honolulu, USA: 605, 2025.
8. T. Ernst, R. Kreis, and B. D. Ross, ‘Absolute Quantitation of Water and Metabolites in the Human Brain. I. Compartments and Water’, J Magn Reson B, vol. 102, no. 1, pp. 1–8, Aug. 1993, doi: 10.1006/jmrb.1993.1055. [doi]
9. S. Pradhan et al., ‘Comparison of single voxel brain MRS AT 3T and 7T using 32-channel head coils’, Magn Reson Imaging, vol. 33, no. 8, pp. 1013–1018, Oct. 2015, doi: 10.1016/j.mri.2015.06.003. [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/569-05-005