The original article to which this Commentary refers was published in the November, 2002 issue of Human Brain Mapping (Park H-J, Kwon JS, Youn T, Pae JS, Kim J-J, Kim M-S, Ha K-S (2002): Statistical Parametric Mapping of LORETA Using High-Density EEG and Individual MRI: Application to Mismatch Negativities in Schizophrenia. Hum Brain Mapp 17:168-178). A Commentary appears in the January, 2004 issue (Rossburg T: Left Parietal Lobe Activation to Auditory Mismatch?)