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The cover image is based on the Research Article The effects of axonal beading and undulation on axonal diameter estimation from diffusion MRI: Insights from simulations in human axons segmented from three‐dimensional electron microscopy by Hong‐Hsi Lee et al., https://doi.org/10.1002/nbm.5087.
The increasing availability of high‐performance gradient systems in human MRI scanners has generated great interest in diffusion microstructural imaging applications such as axonal diameter mapping. Practically, sensitivity to axon diameter in diffusion MRI is attained at strong diffusion weightings
, where the deviation from the expected
scaling in white matter yields a finite transverse diffusivity,...