Error-related ERP Research Articles

Early math and reading achievement are associated with the error positivity

Executive functioning (EF) and motivation are associated with academic achievement and error-related ERPs. The present study explores whether early academic skills predict variability in the error-related negativity (ERN) and error positivity (Pe). Data from 113 three- to seven-year-old children in a Go/No-Go task revealed that stronger early reading and math skills predicted a larger Pe. Closer examination revealed that this relation was quadratic and significant for children performing at or near grade level, but not significant for above-average achievers. Early academics did not predict the ERN. These findings suggest that the Pe – which reflects individual differences in motivational processes as well as attention – may be associated with early academic achievement.

Distinguishing the influence of task difficulty on error-related ERPs using surface Laplacian transformation

Electrophysiologically, errors are characterized by a negative deflection, the error related negativity (ERN), which is followed by the error positivity (Pe). However, it has been suggested that this latter component consists of two subcomponents, with an early frontocentral Pe reflecting a continuation of the ERN, and a centro-parietal Pe reflecting error awareness. Using Laplacian transformed averages, a correct-related negativity (CRN; similar to the ERN), can be found on correct trials. As this technique allows for the decomposition of the recorded scalp potentials resulting in a better dissociation of the underlying brain activities, Laplacian transformation was used in the present study to differentiate between both the ERN/CRN and both Pe components. Additionally, task difficulty was manipulated. Our results show a clearly distinguishable early and late Pe. Both the ERN/CRN and the early Pe varied with task difficulty, showing decreased ERN/early Pe in the difficult condition. However, the late Pe was not influenced by our difficulty manipulation. This suggests that the early and the late Pe reflect qualitatively different processes.

The consciousness level of error processing and the error-related ERP components

The consciousness level of error processing and the error-related ERP components

Beta receptor-mediated modulation of the oddball P3 but not error-related ERP components in humans.

RationaleThe P3 is a ubiquitous component of stimulus-driven neural activity that can be observed in scalp electrophysiological recordings. Multiple lines of evidence suggest an important role for the noradrenergic system in the generation of the P3. However, pharmacological studies of the P3 using noradrenergic manipulations have so far been limited to agents that affect α2-receptor signaling.ObjectivesThe present study investigated whether β-adrenergic receptors are involved in the generation of the P3 and the error positivity (Pe), a component of the event-related potential that is elicited by errors and that bears many similarities to the P3.MethodsWe used a double-blind, placebo-controlled, crossover design in which we examined in human participants (N = 16) the effect of a single dose of propranolol (80 mg) on the amplitudes of the P3 observed in visual and auditory oddball tasks and the Pe observed in a flanker task.ResultsWe found that P3s to auditory stimuli were increased in amplitude following treatment with propranolol. Propranolol also modulated the P3 to visual stimuli, but in a direction dependent on participants’ level of trait anxiety: In participants with lower trait anxiety, propranolol resulted in a (non-significant) decrease in P3 amplitudes; in participants with higher trait anxiety, propranolol significantly enhanced P3 amplitude. Propranolol did not modulate the amplitude of the Pe or behavioral measures of conflict/error-related performance adjustments.ConclusionsThese results provide the first evidence for involvement of β-adrenergic receptors in P3 generation. We speculate that propranolol affected the P3 through actions at β2-receptors in the locus coeruleus.

Does the Processing of Sensory and Reward-Prediction Errors Involve Common Neural Resources? Evidence from a Frontocentral Negative Potential Modulated by Movement Execution Errors

In humans, electrophysiological correlates of error processing have been extensively investigated in relation to decision-making theories. In particular, error-related ERPs have been most often studied using response selection tasks. In these tasks, involving very simple motor responses (e.g., button press), errors concern inappropriate action-selection only. However, EEG activity in relation to inaccurate movement-execution in more complex motor tasks has been much less examined. In the present study, we recorded EEG while volunteers performed reaching movements in a force-field created by a robotic device. Hand-path deviations were induced by interspersing catch trials in which the force condition was unpredictably altered. Our goal was twofold. First, we wanted to determine whether a frontocentral ERP was elicited by sensory-prediction errors, whose amplitude reflected the size of kinematic errors. Then, we explored whether common neural processes could be involved in the generation of this ERP and the feedback-related negativity (FRN), often assumed to reflect reward-prediction errors. We identified a frontocentral negativity whose amplitude was modulated by the size of the hand-path deviations induced by the unpredictable mechanical perturbations. This kinematic error-related ERP presented great similarities in terms of time course, topography, and potential source-location with the FRN recorded in the same experiment. These findings suggest that the processing of sensory-prediction errors and the processing of reward-prediction errors could involve a shared neural network.

Error and performance feedback processing by children with Specific Language Impairment—An ERP study

The study evaluates error and feedback related processing in children with Specific Language Impairment (SLI), and in age and gender matched controls. Participants performed two tasks which varied in the extent to which feedback was provided following each response. Although no group differences were found in accuracy and response time measures, children with SLI corrected a smaller proportion of their errors in comparison with the control group. Neurophysiological data pointed to error and feedback processing differences between the two groups. Errors committed by the control group elicited error-related ERP components (ERN, Pe), while these components were attenuated in the SLI group. A posterior positivity was elicited in association with incorrect responses in both groups. When a feedback stimulus informed the participants about the accuracy of the response, the feedback, rather than the response, elicited an ERN in the control group, while no ERN was elicited in the SLI group. These results suggest that children with SLI have an impaired ability to self-monitor performance and to take advantage of performance feedback.

Sensitivity to punishment and reward omission: Evidence from error-related ERP components

In a recent experiment [Boksem, M.A.S., Tops, M., Wester, A.E., Meijman, T.F., Lorist, M.M., 2006. Error-related ERP components and individual differences in punishment and reward sensitivity. Brain Research 1101, 92–101], we showed that error-related ERP components were related to punishment and reward sensitivity. The present study was conducted to further evaluate the relationship between punishment/reward sensitivity and these ERP components. Therefore, we scored our subjects on the BIS/BAS measures of punishment and reward sensitivity. Then, subjects performed one of two versions of a Flanker task: in one, they were financially punished for committing errors; in the other, they were financially rewarded for correct performance. Analyses of ERN/Ne amplitudes indicated significant interactions between personality measures of punishment (BIS) and reward (BAS) and actual punishment and reward, while analyses of Pe amplitudes showed significant interactions between personality measures of reward sensitivity and actual reward. We suggest that ERN/Ne amplitude is related to concerns over mistakes and depends on the level of aversion experienced by individual subjects for making these mistakes. Subjects that are highly sensitive to punishment are strongly motivated or engaged in avoiding punishment, while subjects sensitive to rewards are motivated to obtain rewards and therefore show high task engagement when rewards may be earned. The error-related ERP components appear to track this level of engagement in task performance.

Developmental differences in error-related ERPs in middle- to late-adolescent males.

Although there are some studies documenting structural brain changes during late adolescence, there are few showing functional brain changes over this period in humans. Of special interest would be functional changes in the medial frontal cortex that reflect response monitoring. In order to examine such age-related differences, the authors analyzed event-related potentials following errors in a visual flanker task and a go/no-go task in adolescent males, 15-16 and 18-20 years old. Response times and accuracy were comparable between groups on each task, but the younger group made more go/no-go errors, suggesting this task was more difficult. Error-related negativity, thought to be generated in the anterior cingulate cortex (ACC), had greater amplitude for the older adolescents on both tasks; thus the increased errors are not simply due to performance level differences. Results from this study suggest that the ACC, which supports response monitoring, is late to mature due to age-related structural or neurochemical changes.

Sensitivity to Punishment and Reward Omission: Evidence From Error-related ERP Components

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Error‐related electrocortical responses in 10‐year‐old children and young adults

Recent anatomical and electrophysiological evidence suggests that the anterior cingulate cortex (ACC) is relatively late to mature. This brain region appears to be critical for monitoring, evaluating, and adjusting ongoing behaviors. This monitoring elicits characteristic ERP components including the error-related negativity (ERN), error positivity (Pe) and correct-related negativity (CRN), with the ERN clearly relating to activation of the ACC; however, little attention has been paid to the examination of these ERP components in children. The present study examined developmental differences in the ERN, Pe, and CRN in normal 10-year-old children and young adults in a standard visual flanker task. We found that children had smaller ERNs than adults, with no between-group differences on the Pe, and some ambiguity concerning the CRN. Results provide electrophysiological support either for late maturation of the ACC or late involvement of the ACC in response monitoring. Results also suggest that there is some functional independence of response-monitoring ERP components. Error-related ERPs may be a useful tool in studying the development of this brain region and its role in behavior in normal and atypical development.

Error-related ERP components and individual differences in punishment and reward sensitivity

Although the focus of the discussion regarding the significance of the error related negatively (ERN/Ne) has been on the cognitive factors reflected in this component, there is now a growing body of research that describes influences of motivation, affective style and other factors of personality on ERN/Ne amplitude. The present study was conducted to further evaluate the relationship between affective style, error related ERP components and their neural basis. Therefore, we had our subjects fill out the Behavioral Activation System/Behavioral Inhibition System (BIS/BAS) scales, which are based on Gray's (1987, 1989) biopsychological theory of personality. We found that subjects scoring high on the BIS scale displayed larger ERN/Ne amplitudes, while subjects scoring high on the BAS scale displayed larger error positivity (Pe) amplitudes. No correlations were found between BIS and Pe amplitude or between BAS and ERN/Ne amplitude. Results are discussed in terms of individual differences in reward and punishment sensitivity that are reflected in error related ERP components.

Impairment of Error Monitoring Following Sleep Deprivation

To verify if error monitoring, involving detection and remedial actions, is affected by sleep deprivation. Event-related brain potentials (ERPs) and electroencephalogram spectrum during performance of Flanker task were obtained in a within-subject, counter-balanced, repeated-measures design. Sleep deprivation and data collection were conducted in a laboratory setting. Sixteen young healthy adults (7 women, 18-23 years old) Performance and electroencephalogram data were collected after normal sleep and sleep deprivation. Compared to normal sleep, 1 night of sleep deprivation resulted in slower and more varied reaction times, more response errors and omissions, and impaired posterror adjustments to response accuracy. Concomitantly, 2 error-related ERPs, error-related negativity and Pe, showed reduced amplitude measurements after sleep deprivation. Conversely, conflict monitoring as expressed behaviorally and by the N2 component of the ERP was not attenuated by sleep deprivation. Ten of the sixteen participants maintained similar accuracy levels under both sleep conditions, although they still showed reduced error-related negativity and error positivity amplitude measurements and impaired error remedial actions for accuracy. Electroencephalogram spectral activity at beta and theta frequency bands was related to response correctness on subsequent trials but not related to that of preceding trials under both sleep conditions. One night of sleep deprivation impaired both the error detection and error remedial actions and highlighted the inability to avoid making errors again after erroneous responses were already made. The results showed that a vicious cycle occurred between performance deterioration and impairment of error-remedial mechanisms that inevitably led to making more successive errors.

Brain bases of error-related ERPs as influenced by age and task

Age effects in the error negativity (Ne) and error positivity (Pe) were examined in a standard letter flanker task and an age-sensitive source memory exclusion task. Older adults made more errors and produced Ne and Pe components of lower amplitude in both tasks. The Ne was insensitive to task and error rate. The Pe, however, was reduced in the source memory relative to the flanker task and was correlated with error rate in both tasks. Ne and Pe dipoles were generally localized to anterior cingulate cortex, but dipoles associated with the Pe were more frontal for flanker errors and, for young adults, more posterior for source errors. These data suggest that the Ne reflects an automatic response to error as it occurs whereas the Pe, being more sensitive to age and task demands, and more closely linked to accuracy, reflects the allocation of attention to an error that has been made.