Siawoosh Mohammadi – Publications

Aigner, C. S., Forlim, C. G., Santoro, D., Bodammer, N. C., Brühl, R., Sudimac, S., Schmalen, K., Schröder, S., Mohammadi, S., & Kühn, S. (2026). MRI goes mobile: Assessing the reliability and repeatability of a mobile vs. stationary 1.5 T MRI for functional neuroscience studies. NMR in Biomedicine, 39(7), Article e70310. https://doi.org/10.1002/nbm.70310

Emmenegger, T. M., David, G., Mohammadi, S., Ziegler, G., Callaghan, M. F., Thompson, A., Friston, K. J., Weiskopf, N., Killeen, T., & Freund, P. (2026). Neuronal plasticity during motor rehabilitation training after spinal cord injury. Communications Biology, 9, Article 561. https://doi.org/10.1038/s42003-026-09793-7

Attar, F. M., Kirilina, E., Chaimow, D., Haenelt, D., Schneider, C., Edwards, L. J., Pine, K. J., Jäger, C., Reimann, K., Pohlmann, A., Periquito, J., Streubel, T., Trampel, R., Mohammadi, S., Niendorf, T., Morawski, M., & Weiskopf, N. (2025). Short association fibres form topographic sheets in the human V1-V2 processing stream. Imaging Neuroscience, 3, Article imag_a_00498. https://doi.org/10.1162/imag_a_00498

Mordhorst, L., Edwards, L. J., Morozova, M., Ashtarayeh, M., Streubel, T., Fricke, B., Fritz, F. J., Rusch, H., Jäger, C., Starke, L., Gladytz, T., Tasbihi, E., Periquito, J. S., Pohlmann, A., Mushumba, H., Püschel, K., Niendorf, T., Weiskopf, N., Morawski, M., & Mohammadi, S. (2025). MRI-scale histology validates spatial sensitivity of in-vivo MRI-based axon radius estimation. Imaging Neuroscience, 3, Article IMAG.a.1030. https://doi.org/10.1162/IMAG.a.1030

Ruthig, P., von der Planitz, D. E., Morozova, M., Reimann, K., Jäger, C., Reinert, T., Mohammadi, S., Weiskopf, N., Kirilina, E., & Morawski, M. (2025). Short-range human cortico-cortical white matter fibers have thinner axons and are less myelinated compared to long-range fibers despite a similar g-ratio. PLoS Biology, 23(8), Article e3002906. https://doi.org/10.1371/journal.pbio.3002906

David, G., Fricke, B., Oeschger, J. M., Ruthotto, L., Fritz, F. J., Ohana, O., Mordhorst, L., Sauvigny, T., Freund, P., Tabelow, K., & Mohammadi, S. (2024). ACID: A comprehensive toolbox for image processing and modeling of brain, spinal cord, and ex vivo diffusion MRI data. Imaging Neuroscience, 2. https://doi.org/10.1162/imag_a_00288

Emmenegger, T., David, G., Mohammadi, S., Ziegler, G., Callaghan, M. F., Thompson, A., Friston, K. J., Weiskopf, N., Killeen, T., & Freund, P. (2024). Temporal dynamics of white and gray matter plasticity during motor skill acquisition: A comparative diffusion tensor imaging and multiparametric mapping analysis. Cerebral Cortex, 34(8), Article bhae344. https://doi.org/10.1093/cercor/bhae344

Oeschger, J. M., Tabelow, K., & Mohammadi, S. (2024). Investigating apparent differences between standard DKI and axisymmetric DKI and its consequences for biophysical parameter estimates. Magnetic Resonance in Medicine, 92(1), 69–81. https://doi.org/10.1002/mrm.30034

Papazoglou, S., Ashtarayeh, M., Oeschger, J. M., Callaghan, M. F., Does, M. D., & Mohammadi, S. (2024). Insights and improvements in correspondence between axonal volume fraction measured with diffusion-weighted MRI and electron microscopy. NMR in Biomedicine, 37(3), Article e5070. https://doi.org/10.1002/nbm.5070

Woletz, M., Chalupa-Gantner, F., Hager, B., Ricke, A., Mohammadi, S., Binder, S., Baudis, S., Ovsianikov, A., Windischberger, C., & Nagy, Z. (2024). Toward printing the brain: A microstructural ground truth phantom for MRI. Advanced Materials Technologies, 9(3), Article 2300176. https://doi.org/10.1002/admt.202300176

Fritz, F. J., Mordhorst, L., Ashtarayeh, M., Periquito, J., Pohlmann, A., Morawski, M., Jaeger, C., Niendorf, T., Pine, K. J., Callaghan, M. F., Weiskopf, N., & Mohammadi, S. (2023). Fiber-orientation independent component of R₂* obtained from single-orientation MRI measurements in simulations and a post-mortem human optic chiasm. Frontiers in Neuroscience, 17, Article 1133086. https://doi.org/10.3389/fnins.2023.1133086

Mohammadi, S., Callaghan, M. F., Kirilina, E., & Edwards, L. J. (2025). Quantifying brain microstructure using MRI. In J. H. Grafman (Ed.), Encyclopedia of the human brain (2nd ed., Vol. 4, pp. 346–359). Elsevier. https://doi.org/10.1016/B978-0-12-820480-1.00189-3

Aigner, C. S., Bodammer, N. C., Edwards, L., Feg, T., Ivanov, D., Kühn, S., Lee, H. S., Mildner, T., Pampel, A., Santoro, D., Schröder, S., Trampel, R., Tse, D., Weiskopf, N., Möller, H. E., & Mohammadi, S. (in press). Beyond field strength: The impact of gradient system performance in 1.5T, 3T and 7T functional and diffusion weighted imaging. In Proceedings of the 2026 ISMRM & ISMRT Annual Meeting & Exhibition. ISMRM, International Society for Magnetic Resonance in Medicine.

Aigner, C. S., Forlim, C. G., Santoro, D., Bodammer, N. C., Brühl, R., Sudimac, S., Schmalen, K., Schröder, S., Mohammadi, S., & Kühn, S. (in press). MRI goes mobile, part II: Extended structural and functional in vivo comparison of mobile vs. stationary 1.5T MRI. In Proceedings of the 2026 ISMRM & ISMRT Annual Meeting & Exhibition. ISMRM, International Society for Magnetic Resonance in Medicine.

Aigner, C. S., Forlim, C. G., Santoro, D., Bodammer, N., Brühl, R., Sudimac, S., Schmalen, K., Schröder, S., Mohammadi, S., & Kühn, S. (2025). MRI goes mobile: Assessing the reliability and repeatability of a mobile vs. stationary 1.5T MRI for functional neuroscience studies. In Proceedings of the 2025 ISMRM & ISMRT Annual Meeting & Exhibition. ISMRM, International Society for Magnetic Resonance in Medicine. https://doi.org/10.58530/2025/2504

Chalupa-Gantner, F., Woletz, M., Hager, B., Ricke, A., Mohammadi, S., Binder, S., Baudis, S., Ovsianikov, A., Windischberger, C., & Nagy, Z. (2025). Toward printing the brain: A microstructural ground truth phantom for MRI. In Z. Huang & L. D. Lilge (Eds.), Proceedings of SPIE (Vol. 13934). SPIE-Optica. https://doi.org/10.1117/12.3097811

Fritz, F. J., Streubel, T., Mordhorst, L., Lüthi, N., Edwards, L. J., Mushumba, H., Püschel, K., Weiskopf, N., Kirilina, E., & Mohammadi, S. (2026). Longitudinal whole-human-brain quantitative MRI study on autolysis, fixation, rehydration, and shrinkage effects. BioRxiv, February 02, 2026. https://doi.org/10.64898/2026.01.31.702882

Mordhorst, L., Weiskopf, N., Morawski, M., & Mohammadi, S. (2026). 3D histology validates 2D histology for axon radius distributions and conduction velocities. BioRxiv, March 27, 2026. https://doi.org/10.64898/2026.03.25.714137