Percentage of gene co-expression in different pallial regions PC NC II/III NC IV NC V/VI C. Sub Subic. PC 42 30 29 37 16 NC II/III 42 70 49 21 16 NC IV 30 70 51 13 11 NC V/VI 29 49 51 20 26 C. Sub 37 21 13 20 38 Subic 16 16 11 26 38