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The error-related negativity, or ERN, is an electrical brain signal measured with an electroencephalogram. Detectible at the scalp via the event-related potential (ERP), the ERN occurs when an individual makes a behavioral error. The ERN is typically evoked with simple cognitive tasks when an individual responds incorrectly or responds when a response should be withheld. The ERN manifests as a negative deflection in the ERP at approximately 80–150 ms following error commission, time-locked to an individual’s response. The ERN is largest at central to frontal-central scalp regions. The most likely neural generator of the ERN is the anterior cingulate cortex, with converging evidence coming from fMRI (Ito, Stuphorn, Brown, & Schall, 2003), EEG source modeling (Luu, Tucker, Derryberry, Reed, & Poulsen, 2003), and brain lesion research (Stemmer, Segalowitz, Witzke, & Schönle, 2004).
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Ito, S., Stuphorn, V., Brown, J. W., & Schall, J. D. (2003). Performance monitoring by the anterior cingulate cortex during saccade countermanding. Science, 302(5642), 120–122.
Luu, P., Tucker, D. M., Derryberry, D., Reed, M., & Poulsen, C. (2003). Electrophysiological responses to errors and feedback in the process of action regulation. Psychological Science, 14, 47–53.
Stemmer, B., Segalowitz, S. J., Witzke, W., & Schönle, P. W. (2004). Error detection in patients with lesions to the medial prefrontal cortex: An ERP study. Neuropsychologia, 42(1), 118–130.
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Crowley, M.J. (2013). Error-Related Negativity. In: Volkmar, F.R. (eds) Encyclopedia of Autism Spectrum Disorders. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-1698-3_724
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DOI: https://doi.org/10.1007/978-1-4419-1698-3_724
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