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Tracking the Cognitive Band in an Open-Ended Task.

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This study analyzed open-ended tasks using Newell's Cognitive Band. The Unit-Task level best matches human behavior and electroencephalogram (EEG) data for tracking cognition.

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Area of Science:

  • Cognitive Science
  • Human-Computer Interaction
  • Neuroscience

Background:

  • Open-ended tasks present challenges for cognitive modeling and performance tracking.
  • Newell's Cognitive Band provides a framework for decomposing complex tasks into hierarchical levels: Unit-Task, Operation, and Deliberate-Act.

Purpose of the Study:

  • To analyze the video game Co-op Space Fortress at the three levels of Newell's Cognitive Band.
  • To evaluate the match between a cognitive model and subject behavior.
  • To investigate the use of electroencephalogram (EEG) for tracking subject cognition during task performance.

Main Methods:

  • Analysis of gameplay in Co-op Space Fortress.
  • Development and application of a cognitive model.
  • Collection and analysis of electroencephalogram (EEG) data from subjects.
  • Comparison of model behavior with subject behavior across task levels.

Main Results:

  • A strong match was observed between subject behavior and the cognitive model at the Unit-Task level.
  • EEG signals effectively tracked the success or failure of Unit Tasks.
  • EEG signals at the Operation level were weaker, but allowed for better-than-chance reconstruction of subject play.
  • Significant discrepancies were found between subject and model behavior at the Operation level.
  • Overlapping key actions at the Deliberate-Act level complicated model interpretation and EEG signal identification.

Conclusions:

  • The Unit-Task level is the most appropriate for understanding and tracking performance in open-ended tasks.
  • EEG is a viable tool for monitoring cognitive performance, particularly at higher task levels.
  • Current cognitive models may require refinement to capture the nuances of lower-level task execution.