Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
567-01-004 ISMRM Abstract

Signal Structure in Echo Planar Time-Resolved Imaging (EPTI): Implications for Multi-echo fMRI Analysis

Primary: Brain Function and fMRI - fMRI Analysis
Secondary: Brain Function and fMRI - fMRI Acquisition
567-01-004 · Acquisitions for fMRI · Wednesday, 13 May, 8:20 AM–9:15 AM · Digital Posters Row H
Keywords: Simulations Statistical analysis EPTI Tedana Multi-echo fMRI
Accepted
Kathryn E Lamar-Bruno 1, Fuyixue Wang2, Zijing Dong2, Daniel Handwerker3, Conan Chen4,5, Ryan A Barnes4, Thomas Liu1,4
1Department of Bioengineering, University of California, San Diego, United States of America
2Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, United States of America
3National Institute of Mental Health (NIMH), Bethesda, United States of America
4Department of Radiology, University of California, San Diego, United States of America
5Department of Electrical and Computer Engineering, University of California, San Diego, United States of America
Presenting Author: Kathryn E Lamar-Bruno

Synopsis

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References

1. Wang F, et al. Echo planar time-resolved imaging (EPTI). Magn Reson Med. 2019 Jun;81(6):3599-3615. doi: 10.1002/mrm.27673. Epub 2019 Feb 3. PMID: 30714198; PMCID: PMC6435385. [doi] [pmid]
2. Dong Z, et al. Echo planar time-resolved imaging with subspace reconstruction and optimized spatiotemporal encoding. Magn Reson Med. 2020;84(5):2442-2455. doi:10.1002/mrm.28295 [doi]
3. Kundu P, Inati SJ, Evans JW, Luh WM, Bandettini PA. Differentiating BOLD and non-BOLD signals in fMRI time series using multi-echo EPI. Neuroimage. 2012;60(3):1759-1770. doi:10.1016/j.neuroimage.2011.12.028 [doi]
4. Kundu, P., et al. (2013). Integrated strategy for improving functional connectivity mapping using multiecho fMRI. Proceedings of the National Academy of Sciences, 110, 16187-16192.
5. DuPre, E, et al. (2021). TE-dependent analysis of multi-echo fMRI with tedana. Journal of Open Source Software, 6(66), 3669. doi:10.21105/joss.03669. [doi]
6. Esteban, O.,et al. fMRIPrep: a robust preprocessing pipeline for functional MRI. Nat Methods 16, 111–116 (2019). https://doi.org/10.1038/s41592-018-0235-4 [doi]
7. Lamar-Bruno et al. Adapting the Tedana Multi-Echo Denoising Pipeline for Echo Planar Time-Resolved Imaging (EPTI). In Proceedings of the 33rd Annual Meeting of ISMRM, 2025. p. 2356.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/567-01-004