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Updated: Jul 13, 2026

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

Evaluation-related frontocentral negativity evoked by correct responses and errors.

Boris Suchan¹, Daniel Jokisch, Nils Skotara

¹Institute of Cognitive Neuroscience, Department of Neuropsychology, Ruhr-University of Bochum, Universitätsstrasse 150, D-44780 Bochum, Germany. Boris.Suchan@ruhr-uni-bochum.de

Behavioural Brain Research

|August 11, 2007

Summary

The frontocentral negativity, or error-related negativity (ERN), may not solely indicate errors. This brain potential might reflect general evaluative processing, even on correct response trials, particularly during response competition.

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Area of Science:

Cognitive Neuroscience
Neurophysiology
Psychology

Background:

Event-related potentials (ERPs) with frontocentral negativity are typically linked to error responses.
The error-related negativity (ERN) is hypothesized to originate in the anterior cingulate cortex (ACC).
The precise functional significance of ERN, especially on correct trials, remains under investigation.

Purpose of the Study:

To investigate the functional significance and neuronal correlates of frontocentral negativity.
To compare the amplitude and time course of this potential on correct versus error trials.
To differentiate between error-related and general evaluative processing reflected by the ERP.

Main Methods:

Two experiments using a continuous performance task (CPT) were conducted.

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Last Updated: Jul 13, 2026

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis

Published on: June 20, 2012

Electroencephalography (EEG) was used to record event-related potentials (ERPs).

A visual cue was introduced in the second experiment to isolate response competition effects.

Main Results:

A frontocentral positive potential preceded correct responses, while a negative potential followed responses during competition.
High-amplitude post-response negativity was observed on correct trials involving response competition.
A visual cue eliminated the pre-response positive potential and enhanced the post-response negative component.

Conclusions:

The frontocentral post-response negativity may not exclusively signal errors but could reflect broader evaluative processing.
Findings suggest that this neural signal is sensitive to response competition, regardless of response accuracy.
The study challenges the strict interpretation of frontocentral negativity as solely error-related.