Alpha power is influenced by performance errors Export

@article{citeulike:4042349, abstract = {Error commission evokes changes in event-related potentials, autonomic nervous system activity, and behavior, presumably reflecting the operation of a cognitive control network. Here we test the hypothesis that errors lead to increased cortical arousal, measurable as changes in electroencephalogram (EEG) alpha band power. Participants performed a Stroop task while EEG was recorded. Following correct responses, alpha power increased and then decreased in a quadratic pattern, implying transient mental disengagement during the intertrial interval. This trend was absent following errors, which elicited significantly less alpha power than correct trials. Moreover, post-error alpha power was a better predictor of individual differences in post-error slowing than the error-related negativity (ERN), whereas the ERN was a better predictor of post-error accuracy than alpha power. These findings imply that changes in cortical arousal play a unique role in modulating post-error behavior.}, address = {Department of Psychology, University of Michigan, Ann Arbor, Michigan, USA; Department of Psychology, Haverford College, Haverford, Pennsylvania, USA}, author = {Carp, Joshua and Compton, Rebecca J.}, citeulike-article-id = {4042349}, citeulike-linkout-0 = {http://dx.doi.org/10.1111/j.1469-8986.2008.00773.x}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/121645565/ABSTRACT}, doi = {10.1111/j.1469-8986.2008.00773.x}, journal = {Psychophysiology}, keywords = {alpha, eeg, ern, error}, number = {2}, pages = {336--343}, posted-at = {2009-02-13 09:15:17}, priority = {2}, title = {Alpha power is influenced by performance errors}, url = {http://dx.doi.org/10.1111/j.1469-8986.2008.00773.x}, volume = {46}, year = {2009} }

TY - JOUR ID - citeulike:4042349 L3 - citeulike-article-id:4042349 N2 - Error commission evokes changes in event-related potentials, autonomic nervous system activity, and behavior, presumably reflecting the operation of a cognitive control network. Here we test the hypothesis that errors lead to increased cortical arousal, measurable as changes in electroencephalogram (EEG) alpha band power. Participants performed a Stroop task while EEG was recorded. Following correct responses, alpha power increased and then decreased in a quadratic pattern, implying transient mental disengagement during the intertrial interval. This trend was absent following errors, which elicited significantly less alpha power than correct trials. Moreover, post-error alpha power was a better predictor of individual differences in post-error slowing than the error-related negativity (ERN), whereas the ERN was a better predictor of post-error accuracy than alpha power. These findings imply that changes in cortical arousal play a unique role in modulating post-error behavior. IS - 2 JF - Psychophysiology AD - Department of Psychology, University of Michigan, Ann Arbor, Michigan, USA; Department of Psychology, Haverford College, Haverford, Pennsylvania, USA EP - 343 TI - Alpha power is influenced by performance errors VL - 46 SP - 336 KW - alpha KW - eeg KW - ern KW - error AU - Carp, Joshua AU - Compton, Rebecca PY - 2009/// UR - http://dx.doi.org/10.1111/j.1469-8986.2008.00773.x ER -