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Violin plots of the mean fibre density and cross-section (FDC) for the inferior longitudinal fasciculus (ILF; top), inferior fronto-occipital fasciculus (IFOF; middle), and uncinate fasciculus (UF; bottom) for each PPA variant and the controls. The outer shapes represent the distribution of individual data (indicated by dots), the thick horizontal line inside the box indicates the median, and the bottom and top of the box indicate the first and third quartiles.
