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Related Experiment Videos

Electrophysiological correlates of error correction.

Katja Fiehler1, Markus Ullsperger, D Yves von Cramon

  • 1Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany. fiehler@cbs.mpg.de

Psychophysiology
|February 22, 2005
PubMed
Summary

This study introduces the correction-related negativity (CoRN), a brain signal linked to error correction. Findings suggest CoRN reflects motor system functions crucial for correcting mistakes.

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Area of Science:

  • Cognitive Neuroscience
  • Neuroscience
  • Psychology

Background:

  • The relationship between the error-related negativity (ERN) and error correction is not well-established.
  • Existing literature presents limited and inconsistent evidence regarding ERN and error correction.

Purpose of the Study:

  • To investigate corrective behavior and the ERN in relation to error correction.
  • To identify and characterize a neural signal associated with immediate error correction.

Main Methods:

  • Two groups performed a flanker task: one instructed to correct errors, the other unaware.
  • Electroencephalography (EEG) was used to record event-related potentials (ERPs).
  • Analysis focused on the error-related negativity (ERN) and a newly identified component, the correction-related negativity (CoRN).

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Main Results:

  • A distinct negative deflection, termed correction-related negativity (CoRN), was observed 200-240 ms after corrected errors.
  • ERN latency and amplitude were influenced by the timing and occurrence of immediate error corrections.
  • The findings suggest CoRN is associated with the evaluative processes of the motor system during error correction.

Conclusions:

  • The study identified the correction-related negativity (CoRN) as a novel ERP component related to error correction.
  • Results support the role of the motor system in evaluating and correcting errors.
  • The findings contribute to a better understanding of performance monitoring models.