An existing Monte-Carlo simulation was refined to allow realistic modeling of 150x150x150μm³ tissue samples. The approach was validated on a reference sample, where ground truth is known. The non-Gaussian and anomalous diffusion behavior in diffusion MR spectroscopy experiments was modeled in realistic tissue samples composed of 30 glial cells addressing a hypothesized cell swelling evoked by glial activation. The simulated results agree well with in vivo literature values and may help to improve the linkage between diffusion and histology.
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