the size of the cortical fields as assessed by microelectrode mapping [Roth-Alpermann et al., 2010] and reflect the differences in size of the cranial nerves [Brecht et al., 2011]. Multiple staining methods revealed a map of about 15 cortical regions and areas with similar cytoarchitectonic and histochemical features as in larger mammals [Naumann et al., 2012]; a number of them are shown as a f...