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Related Experiment Videos

A mechanism for error detection in speeded response time tasks.

Clay B Holroyd1, Nick Yeung, Michael G H Coles

  • 1Department of Psychology, Princeton University, NJ, USA. holroyd@uvic.ca

Journal of Experimental Psychology. General
|May 5, 2005
PubMed
Summary

This study introduces a novel error detection mechanism for rapid error identification in cognitive tasks. The computational model simulates human error processing, advancing executive control theories.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Computational Modeling

Background:

  • Error detection is crucial for executive control theories.
  • Existing theories require mechanisms for rapid error identification.

Purpose of the Study:

  • To present a computational mechanism for rapid error detection in speeded response tasks.
  • To formalize an error monitor based on existing human error processing frameworks.

Main Methods:

  • Developed a computational model of an error monitor.
  • Simulated behavioral and event-related brain potential (ERP) data.
  • Compared model simulations with empirical data from speeded response tasks.

Main Results:

  • The error monitor successfully detected errors by assigning values to cognitive processes.

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  • The model identified system states associated with negative value as error indicators.
  • Simulations aligned with empirical behavioral and ERP data.

    • Conclusions:

    • The proposed mechanism offers a viable method for rapid error detection.
    • The computational model supports a theoretical framework for human error processing.
    • This work contributes to understanding executive control and cognitive monitoring.