Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
507-02-003 ISMRM Abstract

Beyond Correlation: Graph Diffusion Autoregression Captures Directional Information Flow in Aging and Alzheimer's Disease

Primary: Brain Function and fMRI - Functional Connectivity
Secondary: Analysis Methods - Data Processing
507-02-003 · Generative Modeling: A Unifying Lens on MRI · Wednesday, 13 May, 8:20 AM–10:10 AM · Meeting Room 1.40
Keywords: Aging Alzheimer's Disease Network analysis Functional Brain Network Graph signal Processing
Accepted
Felix Schwock1, Daniel Nordgren1, Rachel Iritani2, Les Atlas1, Azadeh Yazdan-Shahmorad1,2, Hesam Jahanian 2,3
1Department of Electrical and Computer Engineering, University of Washington, Seattle, United States of America
2Department of Bioengineering, University of Washington, Seattle, United States of America
3Department of Radiology, University of Washington, Seattle, United States of America
Presenting Author: Hesam Jahanian

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References

1. Schwock, F., Bloch, J., Atlas, L., Abadi, S., & Yazdan-Shahmorad, A. (2023). Estimating and Analyzing Neural Information flow using Signal Processing on Graphs. ICASSP 2023-2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 1–5. https://doi.org/10.1109/ICASSP49357.2023.10096497 [doi]
2. Schwock, F., Bloch, J., Khateeb, K., Zhou, J., Atlas, L., & Yazdan-Shahmorad, A. (2024). Inferring Neural Communication Dynamics from Field Potentials Using Graph Diffusion Autoregression (p. 2024.02.26.582177). bioRxiv. https://doi.org/10.1101/2024.02.26.582177 [doi]
3. Schaub, M. T., Zhu, Y., Seby, J.-B., Roddenberry, T. M., & Segarra, S. (2021). Signal processing on higher-order networks: Livin’ on the edge... and beyond. Signal Processing, 187, 108149. https://doi.org/10.1016/j.sigpro.2021.108149 [doi]
4. Barbarossa, S., & Sardellitti, S. (2020). Topological Signal Processing Over Simplicial Complexes. IEEE Transactions on Signal Processing, 68, 2992–3007. https://doi.org/10.1109/TSP.2020.2981920 [doi]
5. Battiloro, C., Di Lorenzo, P., & Barbarossa, S. (2023). Topological Slepians: Maximally Localized Representations of Signals Over Simplicial Complexes. ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 1–5. https://doi.org/10.1109/ICASSP49357.2023.10095803 [doi]
6. Jahanian, H., Holdsworth, S., Christen, T., Wu, H., Zhu, K., Kerr, A. B., Middione, M. J., Dougherty, R. F., Moseley, M., & Zaharchuk, G. (2019). Advantages of short repetition time resting-state functional MRI enabled by simultaneous multi-slice imaging. Journal of Neuroscience Methods, 311, 122–132. https://doi.org/10.1016/j.jneumeth.2018.09.033 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/507-02-003