Bridging the Gap between HCI and DHM: The Modeling of Spatial Awareness within a Cognitive Architecture

  • Authors:

  • Bryan Robbins;Daniel Carruth;Alexander Morais

  • Affiliations:

  • Human Factors and Ergonomics Group, Center for Advanced Vehicular Systems, MS 39762-5405 and Department of Computer Science and Engineering, Mississippi State University, MS 39762-9637;Human Factors and Ergonomics Group, Center for Advanced Vehicular Systems, MS 39762-5405;Human Factors and Ergonomics Group, Center for Advanced Vehicular Systems, MS 39762-5405 and Department of Computer Science and Engineering, Mississippi State University, MS 39762-9637

  • Venue:
  • ICDHM '09 Proceedings of the 2nd International Conference on Digital Human Modeling: Held as Part of HCI International 2009
  • Year:
  • 2009

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Abstract

In multiple investigations of human performance on natural tasks in three-dimensional (3D) environments, we have found that a sense of space is necessary for accurate modeling of human perception and motor planning. In previous work, we developed ACT-R/DHM, a modification of the ACT-R cognitive architecture with specific extensions for integration with 3D environments. ACT-R/DHM could leverage existing extensions from the ACT-R community that implement the spatial sense, but current research seems to indicate that an "egocentric-first" approach is most appropriate. We describe the implementation of a custom spatial module in ACT-R/DHM, which allows for the consideration of spatial locations by adding a single ACT-R module that performs a very small set of operations on existing location information. We demonstrate the use of the 3D, egocentric-first spatial module to simulate a machine interaction task.