“…Nerve fibers connecting the hemispheres, arranged in patterns that share similarities to those found in the placental corpus callosum, were discovered in this monotreme and marsupial. MRI was also used to study the anatomy of cortical regions, nuclear groups, and major tracts in the brain of the short‐beaked echidna ( Tachyglossus aculeatus ) and to map the topography of subcortical white matter (Cherupalli et al., 2017). In a recent study, MRI was used to study the brains of three peramelemorphians: two bandicoots ( Perameles nasuta and Isoodon obesulus ) and the bilby ( Macrotis lagotis ) to identify corticocortical, subcortical, and commissural pathways and subdivisions in visual system nuclei (Gurovich et al., 2018).…”