Localization of the magnetic equivalent of the ERN and induced oscillatory brain activity. Keil, J., Weisz, N., Paul-Jordanov, I., & Wienbruch, C. 51(1):404--411. 00022 PMID: 20149884doi abstract bibtex It has been found in numerous electroencephalographic (EEG) studies that a negative potential arises following an erroneous response (so-called Error-Related Negativity, ERN). This typical component of the EEG has, however, proven more difficult to identify when transferring analogous paradigms to magnetoencephalography (MEG). The aim of this study was to devise and apply a paradigm to elicit erroneous responses and using MEG to measure both the error-related evoked brain activity (mERN) as well as accompanying induced oscillatory activity. Results clearly demonstrate that it is possible to measure the mERN and to identify cortical sources associated with it. Using distributed source modeling, it is possible to identify the mERN in source space and corroborate EEG findings, with the mERN generated in the anterior cingulate cortex (ACC). This supports notions regarding the role of the ACC in error monitoring and cognitive control of motor behavior. Furthermore, changes in induced oscillatory activity were observed in the theta and beta bands. This extends previous studies, which show that evoked theta activity could underlie the generation of the ERN.
@article{ keil_localization_2010,
title = {Localization of the magnetic equivalent of the {ERN} and induced oscillatory brain activity},
volume = {51},
issn = {1095-9572},
doi = {10.1016/j.neuroimage.2010.02.003},
abstract = {It has been found in numerous electroencephalographic ({EEG}) studies that a negative potential arises following an erroneous response (so-called Error-Related Negativity, {ERN}). This typical component of the {EEG} has, however, proven more difficult to identify when transferring analogous paradigms to magnetoencephalography ({MEG}). The aim of this study was to devise and apply a paradigm to elicit erroneous responses and using {MEG} to measure both the error-related evoked brain activity ({mERN}) as well as accompanying induced oscillatory activity. Results clearly demonstrate that it is possible to measure the {mERN} and to identify cortical sources associated with it. Using distributed source modeling, it is possible to identify the {mERN} in source space and corroborate {EEG} findings, with the {mERN} generated in the anterior cingulate cortex ({ACC}). This supports notions regarding the role of the {ACC} in error monitoring and cognitive control of motor behavior. Furthermore, changes in induced oscillatory activity were observed in the theta and beta bands. This extends previous studies, which show that evoked theta activity could underlie the generation of the {ERN}.},
pages = {404--411},
number = {1},
journaltitle = {{NeuroImage}},
shortjournal = {Neuroimage},
author = {Keil, Julian and Weisz, Nathan and Paul-Jordanov, Isabella and Wienbruch, Christian},
date = {2010-05-15},
note = {00022 {PMID}: 20149884},
keywords = {Beta Rhythm, brain, Brain mapping, Evoked Potentials, Executive Function, Female, Gyrus Cinguli, Humans, Magnetoencephalography, Male, Neuropsychological Tests, Parietal Lobe, Periodicity, Prefrontal Cortex, Reaction Time, Signal Processing, Computer-Assisted, Theta Rhythm, Time Factors, Young Adult},
file = {Keil et al_2010_NeuroImage_Localization of the magnetic equivalent of the ERN and induced oscillatory.pdf:files/1324/Keil et al_2010_NeuroImage_Localization of the magnetic equivalent of the ERN and induced oscillatory.pdf:application/pdf}
}
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The aim of this study was to devise and apply a paradigm to elicit erroneous responses and using MEG to measure both the error-related evoked brain activity (mERN) as well as accompanying induced oscillatory activity. Results clearly demonstrate that it is possible to measure the mERN and to identify cortical sources associated with it. Using distributed source modeling, it is possible to identify the mERN in source space and corroborate EEG findings, with the mERN generated in the anterior cingulate cortex (ACC). This supports notions regarding the role of the ACC in error monitoring and cognitive control of motor behavior. Furthermore, changes in induced oscillatory activity were observed in the theta and beta bands. This extends previous studies, which show that evoked theta activity could underlie the generation of the ERN.","author":["Keil, Julian","Weisz, Nathan","Paul-Jordanov, Isabella","Wienbruch, Christian"],"author_short":["Keil, J.","Weisz, N.","Paul-Jordanov, I.","Wienbruch, C."],"bibtex":"@article{ keil_localization_2010,\n title = {Localization of the magnetic equivalent of the {ERN} and induced oscillatory brain activity},\n volume = {51},\n issn = {1095-9572},\n doi = {10.1016/j.neuroimage.2010.02.003},\n abstract = {It has been found in numerous electroencephalographic ({EEG}) studies that a negative potential arises following an erroneous response (so-called Error-Related Negativity, {ERN}). This typical component of the {EEG} has, however, proven more difficult to identify when transferring analogous paradigms to magnetoencephalography ({MEG}). The aim of this study was to devise and apply a paradigm to elicit erroneous responses and using {MEG} to measure both the error-related evoked brain activity ({mERN}) as well as accompanying induced oscillatory activity. Results clearly demonstrate that it is possible to measure the {mERN} and to identify cortical sources associated with it. Using distributed source modeling, it is possible to identify the {mERN} in source space and corroborate {EEG} findings, with the {mERN} generated in the anterior cingulate cortex ({ACC}). This supports notions regarding the role of the {ACC} in error monitoring and cognitive control of motor behavior. Furthermore, changes in induced oscillatory activity were observed in the theta and beta bands. 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