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Empirical Evidence for Extended Cognitive Systems.

Luis H Favela1,2, Mary Jean Amon3, Lorena Lobo4

  • 1Department of Philosophy, University of Central Florida.

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Summary
This summary is machine-generated.

Human-tool interactions can be considered extended cognitive systems. This study developed a framework to quantify these systems, finding stable movement dynamics when using tools like rods or the Enactive Torch.

Keywords:
Enactive TorchExtended cognitionNonlinear dynamicsRecurrenceSelf-similaritySensory substitution

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Area of Science:

  • Cognitive Science
  • Human-Computer Interaction
  • Robotics

Background:

  • The concept of extended cognition posits that cognitive processes can extend beyond the brain to include external tools.
  • Quantifying the system-level properties of person-plus-tool interactions is crucial for validating this theory.

Purpose of the Study:

  • To present a theoretical and methodological framework for quantifying person-plus-tool interactions.
  • To determine if person-plus-tool systems can be classified as extended cognitive systems.

Main Methods:

  • Nineteen participants performed aperture-passing tasks using visual information, a rod, or an Enactive Torch (a vibrotactile device).
  • Monofractal, multifractal, and recurrence quantification analyses were used to assess movement dynamics.

Main Results:

  • Person-rod and person-Enactive Torch systems exhibited stable self-similarity, indicating adaptive single-system dynamics.
  • Enactive Torch use showed greater dynamic fluctuations and less recurrence than rod use, suggesting more exploratory movement.

Conclusions:

  • The findings support the classification of person-plus-tool systems as extended cognitive systems.
  • The study provides a framework for quantifying the system-level properties of extended cognition.