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& Bioassays Resources...DNA & RNABLAST (Basic Local Alignment Search correct response negativity Tool)BLAST (Stand-alone)E-UtilitiesGenBankGenBank: BankItGenBank: SequinGenBank: tbl2asnGenome WorkbenchInfluenza n2 erp VirusNucleotide DatabasePopSetPrimer-BLASTProSplignReference Sequence (RefSeq)RefSeqGeneSequence Read Archive (SRA)SplignTrace ArchiveUniGeneAll DNA & mismatch negativity RNA Resources...Data & SoftwareBLAST (Basic Local Alignment Search Tool)BLAST (Stand-alone)Cn3DConserved Domain Search Service (CD Search)E-UtilitiesGenBank: BankItGenBank: SequinGenBank: http://www.oxfordhandbooks.com/view/10.1093/oxfordhb/9780195374148.001.0001/oxfordhb-9780195374148-e-010 tbl2asnGenome ProtMapGenome WorkbenchPrimer-BLASTProSplignPubChem Structure SearchSNP Submission ToolSplignVector Alignment Search Tool (VAST)All Data & Software Resources...Domains & StructuresBioSystemsCn3DConserved Domain Database (CDD)Conserved Domain Search Service (CD Search)Structure (Molecular Modeling Database)Vector Alignment Search Tool (VAST)All Domains http://www.ncbi.nlm.nih.gov/pubmed/15183400 & Structures Resources...Genes & ExpressionBioSystemsDatabase of Genotypes and Phenotypes (dbGaP)E-UtilitiesGeneGene Expression Omnibus (GEO) Database Gene Expression Omnibus (GEO) DatasetsGene Expression Omnibus (GEO) ProfilesGenome WorkbenchHomoloGeneMap ViewerOnline Mendelian Inheritance in Man (OMIM)RefSeqGeneUniGeneAll Genes & Expression Resources...Genetics & MedicineBookshelfDatabase of Genotypes and Phenotypes (dbGaP)Genetic Testing RegistryInfluenza VirusMap ViewerOnline Mendelian Inheritance in Man (OMIM)PubMedPubMed Central (PMC)PubMed Clinical QueriesRefSeqGeneAll Genetics & Medicine Resources...Genomes & MapsDatabase of Genomic Structural Variation (dbVar)GenBank: tbl2asnGenomeGenome ProjectGenome ProtMapGenome WorkbenchInfluenza VirusMap ViewerNucleotide DatabasePopSetProSplignSequence Read Archive (SRA)SplignTrace ArchiveAll Genomes & Maps Resources...HomologyBLAST (Basic Local Alignment Search Tool)BLAST (Stand-alone)BLAST Link (BLink)Conserved Domain Database (CDD)Conserved Domain Search Service (CD Search)Genome ProtMapHomoloGeneProt

to the Editor Email Alerts Author Instructions About The Journal Archive of all Online Issues Cover Image Archive Cover Video Archive About The Journal of Neuroscience Contact Us Subscription Services Advertising Rates For the Media Permissions Most Read Articles Most Cited http://www.jneurosci.org/content/31/16/5891.full Articles Collections Advertisement « Previous Table of Contents Next Article » Journal Club The Role http://www.sciencedirect.com/science/article/pii/S0926641004000898 of the Error Positivity in the Conscious Perception of Errors Joseph M. Orr1 and Melisa Carrasco2 1Department of Psychology and 2Neuroscience Program, University of Michigan, Ann Arbor, Michigan 48109  Next Section Introduction Goal-directed behavior relies on the ability to detect errors and to correct the action(s) that led to the error. Research on error detection really took off with related negativity the discovery almost 20 years ago of two event-related potential (ERP) components found within the human EEG: the error-related negativity [ERN; or error negativity (Ne)] and the error positivity (Pe) (Falkenstein et al., 1991; Gehring et al., 1993). The ERN is a negative deflection that peaks ∼50–80 ms after an erroneous button press. The Pe is a positive deflection that peaks ∼100–200 ms after an erroneous button press. While most research has focused on the error on ne04 role of the ERN in error detection, recent research is beginning to uncover the function of the Pe. Several influential theories have been put forth to explain the computation underlying the ERN (Coles et al., 2001; Holroyd and Coles, 2002; Yeung et al., 2004). Specifically, the ERN has been proposed to reflect either competition between the erroneous and correct response representations (Yeung et al., 2004), a mismatch between the actual and expected correct response (Coles et al., 2001), or the result of less-than-expected reward outcomes (Holroyd and Coles, 2002). Thus, the ERN appears to represent an internal signal that an error is likely or has occurred. However, these theories fail to account for the role of the Pe in error detection. Nevertheless, research has begun to identify conditions that modulate this ERP component (Overbeek et al., 2005). The most consistent finding is that the Pe is generally larger on trials where participants are consciously aware that an error was made, whereas the ERN is similar for perceived and unperceived errors. This is consistent with the possibility that the Pe reflects the motivational significance of an error. Consciously perceived errors would be more significant, and more likely to lead to correcting one's erroneous actions, than unperceived errors. In a study recently published in The Journal of Neuroscience, Steinhauser and Yeung (2010) e

Please note that Internet Explorer version 8.x will not be supported as of January 1, 2016. Please refer to this blog post for more information. Close ScienceDirectSign inSign in using your ScienceDirect credentialsUsernamePasswordRemember meForgotten username or password?Sign in via your institutionOpenAthens loginOther institution loginHelpJournalsBooksRegisterJournalsBooksRegisterSign inHelpcloseSign in using your ScienceDirect credentialsUsernamePasswordRemember meForgotten username or password?Sign in via your institutionOpenAthens loginOther institution login Purchase Help Direct export Export file RIS(for EndNote, Reference Manager, ProCite) BibTeX Text RefWorks Direct Export Content Citation Only Citation and Abstract Advanced search JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page. JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page. This page uses JavaScript to progressively load the article content as a user scrolls. Click the View full text link to bypass dynamically loaded article content. View full text Cognitive Brain ResearchVolume 20, Issue 2, July 2004, Pages 294–299 Research reportSource localization (LORETA) of the error-related-negativity (ERN/Ne) and positivity (Pe)Martin J. Herrmann, , Josefine Römmler, Ann-Christine Ehlis, Anke Heidrich, Andreas J. Fallgatter Department of Psychiatry and Psychotherapy, University Hospital Würzburg, Fuechsleinstraße 15, 97080 Würzburg, GermanyAccepted 14 February 2004, Available online 30 April 2004AbstractWe investigated error processing of 39 subjects engaging the Eriksen flanker task. In all 39 subjects a pronounced negative deflection (ERN/Ne) and a later positive component (Pe) were observed after incorrect as compared to correct responses. The neural sources of both components were analyzed using LORETA source localization. For the negative component (ERN/Ne) we found significantly higher brain electrical activity in medial prefrontal areas for incorrect responses, whereas the positive component (Pe) was localized nearby but more rostral within the anterior cingulate cortex (ACC). Thus, different neural generators were found for the ERN/Ne and the Pe, which further supports the notion that both error-related components represent different aspects of