Fig. 6: Segmentation of the corpus callosum.

a Corpus callosum segmentation scheme as in the study by Hofer and Frahm (2006). b An example of a fully segmented hand-drawn corpus callosum ROI in sagittal and axial view. The five callosal segments are illustrated in different colors. I = prefrontal section; II = premotor section; III = motor section; IV = somatosensory section; V = temporal-parietal-occipital section.