Author

A. Grigoriou

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Open access Oct 2026

Diffusion MRI of cortical organoids reveals protocol-associated spatial reproducibility and increasing diffusivity with diffusion time

Early human cortical development involves rapid changes in cytoarchitecture that remain difficult to interrogate non-invasively. Biophysical diffusion MRI models provide a potential window onto this microstructure, including water exchange across cell membranes, but their assumptions are difficult to validate directly...

Andrés le Boeuf Fló, Ekin Taskin, Oriana Lavielle et al. · bioRxiv · 0 citations

Open access Sep 2026

Optimized Gradient Waveforms for Tensor-Valued Diffusion MRI Under Time-Dependent Diffusion Using Double-Isotropic Matched Encoding (DIME).

PURPOSE Spherical and linear b-tensor encoding (STE and LTE) enables quantification of microscopic diffusion anisotropy and diffusional variance. However, such waveforms are often variably sensitive to time-dependent diffusion, causing rotational variance and spectral mismatch. We propose double-isotropic matched encod...

Felix Mortensen, Viktor Olsson, A. Grigoriou et al. · Magnetic Resonance in Medici... · 0 citations