Observing and modeling cognitive events through event-related potentials and ACT-R

  • Authors:

  • Daniel N. Cassenti;Scott E. Kerick;Kaleb Mcdowell

  • Affiliations:

  • RDRL-HRS-E, US Army Research Laboratory, Human Research and Engineering Directorate, Aberdeen Proving Ground, MD 21005, USA;RDRL-HRS-D, US Army Research Laboratory, Human Research and Engineering Directorate, Aberdeen Proving Ground, MD 21005, USA;RDRL-HRS-C, US Army Research Laboratory, Human Research and Engineering Directorate, Aberdeen Proving Ground, MD 21005, USA

  • Venue:
  • Cognitive Systems Research
  • Year:
  • 2011

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Abstract

The study of cognition is generally thought to rely on techniques for inferring cognitive processes that are unobservable. One approach to cognitive science is to leverage an understanding of structure and function of the nervous system based on observable neurological events to determine mental processing. Event-related potential (ERP) research offers one technique to objectively measure cortical responses that are believed to be associated with perceptual and cognitive processes. Here, two ACT-R (Adaptive Control of Thought - Rational) models of mental processing are adapted based on the results of two ERP experiments. The models provide both a sequence of mental steps required to complete each task and a greater specificity of time course of mental events than traditional ACT-R models. We conclude with implications of this research for cognitive theory and ACT-R as well as future work to be conducted.