The paper 10.1093/cercor/12.2.129, ‘Emx2 and Pax6 Control Regionalization of the Pre-neuronogenic Cortical Primordium', by Muzio et al., published in Cerebral Cortex issue 12(2) (2002), contained an error in one of the author names. Barbara Di Benedetto's surname appeared as DiBenedetto, without the space. The authors apologize for this error.