Debener S, Ullsperger M, Siegel M, Fiehler K, von Cramon DY, Engel AKTrial-by-trial coupling of concurrent electroencephalogram and functional magnetic resonance imaging identifies the dynamics of performance monitoring. J Neurosci 25:11730-11737

Department of Neurophysiology and Pathophysiology, University of Hamburg, Hamburg, Hamburg, Germany
The Journal of Neuroscience : The Official Journal of the Society for Neuroscience (Impact Factor: 6.34). 01/2006; 25(50):11730-7. DOI: 10.1523/JNEUROSCI.3286-05.2005
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ABSTRACT Goal-directed behavior requires the continuous monitoring and dynamic adjustment of ongoing actions. Here, we report a direct coupling between the event-related electroencephalogram (EEG), functional magnetic resonance imaging (fMRI), and behavioral measures of performance monitoring in humans. By applying independent component analysis to EEG signals recorded simultaneously with fMRI, we found the single-trial error-related negativity of the EEG to be systematically related to behavior in the subsequent trial, thereby reflecting immediate behavioral adjustments of a cognitive performance monitoring system. Moreover, this trial-by-trial EEG measure of performance monitoring predicted the fMRI activity in the rostral cingulate zone, a brain region thought to play a key role in processing of response errors. We conclude that investigations of the dynamic coupling between EEG and fMRI provide a powerful approach for the study of higher order brain functions.

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Available from: Markus Siegel, Sep 28, 2015
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    • "Event-related potential (ERP) studies have identified the error-related negativity (ERN), an initial negative ERP component following errors (Falkenstein et al. 1990), with maximal amplitude at fronto-central electrode sites (Gehring et al. 1993; Falkenstein et al. 2000). The ERN is generally associated with the unconscious awareness of error (Nieuwenhuis et al. 2001), although it has also been related to subjective appraisal of accuracy (Scheffers and Coles, 2000) and remedial action (Gehring et al. 1993; Debener et al. 2005). The error positivity (Pe) is a positive ERP component following the ERN and is maximal at parieto-central electrode sites (Falkenstein et al. 1991; Falkenstein et al. 2000). "
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    ABSTRACT: Metacognitive abnormalities have been implicated in the experience of psychotic symptoms; however, the process through which this occurs remains unclear. The aim of this study was to clarify the association of self-reported schizotypy with metacognitive beliefs and neural activity related to higher-order cognition. Event-related potentials (ERPs) including the error-related negativity (ERN) and error positivity (Pe) were recorded during a Flanker task in 20 controls and 22 individuals with high self-reported schizotypy on the Schizotypal Personality Questionnaire-Brief Revised (SPQ-BR). Participants continuously evaluated their task performance and completed the Metacognitions Questionnaire-30 (MCQ-30). The high schizotypy group demonstrated higher scores on all subscales of the MCQ-30. In contrast, task performance, accuracy of self-performance evaluation, and amplitudes of the ERN and Pe did not differ between groups. The MCQ-30 factors that measure cognitive confidence and positive beliefs about worry significantly predicted SPQ-BR total score, whereas ERPs did not. High self-reported schizotypy appears to be more associated with dysfunctional metacognitive beliefs than physiological abnormalities in brain areas related to metacognition.
    09/2015; DOI:10.1016/j.psychres.2015.09.006
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    • "As measures of performance monitoring, three ERPs were assessed: Error-Related Negativity (ERN; Falkenstein et al., 1991; Gehring et al., 1993), Error Positivity (Pe; Falkenstein et al., 1991, 2000), and conflict N2. The ERN component is a negative deflection peaking within the first 100 ms after erroneous responses at fronto-central electrodes and is assumed to be generated in the anterior midcingulate cortex (aMCC), i.e. a brain area important for conflict monitoring and behavioural regulation (Debener et al., 2005; Hoffmann and Falkenstein, 2010; Vogt, 2005), see also Bauer et al. (2003) and Pfabigan et al. (2013). The Pe component is a positive deflection indicating conscious error processing (Nieuwenhuis et al., 2001) or affective responses after errors (Falkenstein et al., 2000). "
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    ABSTRACT: Recent research suggests that not only the dopamine neurotransmitter system but also the endogenous opioid system is involved in performance monitoring and the generation of prediction error signals. Therefore, the current study investigated the potential link between the functional opioid peptide prodynorphin (PDYN) 68bp VNTR genetic polymorphism and neuronal correlates of performance monitoring. To this end, forty-seven healthy participants genotyped for this polymorphism, related to high-, intermediate-, and low-expression levels of PDYN, performed a choice-reaction task while their electroencephalogram (EEG) was recorded. On the ehavioural level, no differences between the three PDYN groups could be observed. EEG data, however, showed significant differences. High PDYN expression individuals showed heightened neural error processing indicated by higher ERN amplitudes, compared to intermediate and low expression individuals. Later stages of error processing, indexed by late Pe amplitudes, and stimulus-driven conflict processing, indexed by N2 amplitudes, were not affected by PDYN genotype. The current results corroborate the notion of an indirect effect of endogenous opioids on performance monitoring, probably mediated by the mesencephalic dopamine system. Overall, enhanced ERN amplitudes suggest a hyper-active performance monitoring system in high PDYN expression individuals, and this might also be an indicator of a higher risk for internalizing disorders. Copyright © 2015. Published by Elsevier Ltd.
    Neuropsychologia 09/2015; DOI:10.1016/j.neuropsychologia.2015.08.028 · 3.30 Impact Factor
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    • "ERN appears selectively on error trials, and typically is strongly related to imputed midline frontal source generators that lie in or near ACC (e.g. Debener et al. 2005; Hoffmann et al. 2013). It has been suggested that ACC output (presumably related to the imputed generators ) is a critical component of error-feedback modulation , and therefore of cognitive control (Botvinick et al. 2001). "
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