Parallel brain activity for self-generated and observed errors Wolfgang H. R. Miltner 1 , Jens Brauer 1 , Holger Hecht 1 , Ralf Trippe 1 , Michael G. H. Coles 2 1 Department of Biological and Clinical Psychology, Friedrich-Schiller- University, Jena, Germany; 2 FC Donders Centre for Cognitive Neuroimaging, Nijmegen, The Netherlands October 2003 Manuscript will be published in: M. Ullsperger & M. Falkenstein (Eds.), Errors, Conflicts, and the Brain. Current Opinions on Performance Monitoring. Leipzig: MPI of Cognitive Neuroscience.