of existing research has focused on a single marker of error-elicited brain activity—the error-
related negativity (ERN), an event-related brain potential (ERP) elicited 50–100 ms following
an erroneous response. The ERN has accumulated growing interest for its use in clinical
contexts as a potential biomarker and/or endophenotype. However, it is unknown whether
anxiety's effects are specific to brain activity following erroneous responses; anxiety may …