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Error-related negativity : ウィキペディア英語版 | Error-related negativity Error-related negativity (ERN), (sometimes referred to as the Ne), is a component of an event-related potential (ERP). ERPs are electrical activity in the brain as measured through electroencephalography (EEG) and time-locked to an external event (e.g., presentation of a visual stimulus) or a response (e.g. an error of commission). A robust ERN component is observed after errors are committed during various choice tasks, even when the participant is not explicitly aware of making the error; however, in the case of unconscious errors the ERN is reduced. An ERN is also observed when non-human primates commit errors. == History == The ERN was first discovered in 1990 by two independent research teams; Michael Falkenstein, J. Hohnsbein, J. Hoormann, & L. Blanke (1990) at the Institute for Work Physiology and Neurophysiology in Dortmund, Germany (who called it the "Ne"), and W.J. "Bill" Gehring, D.E. Meyer & E. Donchin (1990) at the University of Michigan, USA.〔Gehring, W. J., Coles, M., Meyer, D., & Donchin, E. (1990). The error-related negativity: an event-related brain potential accompanying errors. Psychophysiology, 27, 34.〕 The ERN was observed in response to errors committed by study participants during simple choice response tasks.
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