?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Error+detection+and+the+Error-related+ERP+in+patients+with+lesions+involving+the+anterior+cingulate+and+adjacent+regions&rft.creator=Stemmer%2C+Brigitte&rft.creator=Segalowitz%2C+Sidney+J.&rft.creator=Witzke%2C+Wolfgang&rft.creator=Lacher%2C+Sieglinde&rft.creator=Sch%C3%B6nle%2C+Paul+Walter&rft.subject=Behavioral+Neuroscience&rft.subject=Brain+Imaging&rft.subject=Neuroanatomy&rft.subject=Neurology&rft.subject=Neurophysiology&rft.subject=Neurophysiology&rft.subject=Neuropsychology&rft.description=Evidence+indicates+that+the+anterior+cingulate+region+generates+what+appears+to+be+a+specific+electrophysiological+marker+for+the+monitoring+of+error+responses.+When+an+auditory+or+visual+stimulus+is+presented+in+such+a+way+that+the+subject+is+likely+to+make+an+error%2C+averaged+encephalography+(EEG)+trials+to+erroneous+responses+consistently+show+a+negative-going+waveform+which+has+been+coined+the+error-related+negativity+(ERN).+We+examined+ERNs+in+patients+with+a+ruptured+aneurysm+of+the+anterior+communicating+artery+(AACA)%2C+who+are+particularly+prone+to+showing+damage+in+the+anterior+cingulate+and+adjacent+regions%2C+and+frequently+display+a+variety+of+behavioral+and+cognitive+disturbances+such+as+disorientation%2C+confabulation%2C+apathy%2C+unawareness+of+deficit%2C+and+problems+of+attention%2C+control+and+monitoring.+We+found+that+these+patients+generally+did+not+produce+an+ERN+in+comparison+to+healthy+control+participants+suggesting+that+the+anterior+cingulate+is+essential+for+the+ERN+response.+However%2C+the+patients'+error+rates+were+comparable+to+that+of+the+controls+and+they+showed+a+dissociation+between+overt+error+awareness+and+ERN+production%2C+suggesting+that+the+ERN+does+not+simply+represent+an+error+detection+signal.&rft.date=2000-04&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F143%2F3%2Fernf08pdf.pdf&rft.identifier=++Stemmer%2C+Brigitte+and+Segalowitz%2C+Sidney+J.+and+Witzke%2C+Wolfgang+and+Lacher%2C+Sieglinde+and+Sch%C3%B6nle%2C+Paul+Walter++(2000)+Error+detection+and+the+Error-related+ERP+in+patients+with+lesions+involving+the+anterior+cingulate+and+adjacent+regions.++%5BPreprint%5D++++(Unpublished)++&rft.relation=http%3A%2F%2Fcogprints.org%2F143%2F