Fig. 2.
top) Light microscopic images (75 μm × 55 μm) from (left-to-right) dCST, FG, ReST, RST, FC, and VST. bottom) Example quantitative histology from FG and VST tracts: filtered and thresholded images for myelin fraction (MF) calculation, and manually defined myelin thickness (MyTh) and axon diameter (AxD) measurements.