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Cognitive Effort during Visuospatial Problem Solving in Physical Real World, on Computer Screen, and in Virtual

Raimundo da Silva Soares1,2, Kevin L Ramirez-Chavez1, Altona Tufanoglu1

  • 1School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, USA.

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Summary
This summary is machine-generated.

Virtual reality (VR) enhances spatial reasoning and reduces cognitive load during STEM tasks. Neuroimaging shows VR boosts neural efficiency in the prefrontal cortex compared to screens or real-world settings.

Keywords:
cognitive workloadfNIRSgeometry puzzleneuroergonomicsspatial cognitiontangramvirtual reality

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Educational Technology

Background:

  • Spatial cognition is vital for STEM success.
  • Virtual reality (VR) offers potential for spatial training.
  • Assessing cognitive load in visuospatial tasks is challenging with traditional methods.

Purpose of the Study:

  • To measure neural activity related to cognitive workload during visuospatial tasks.
  • To compare the impact of VR, computer screens, and real-world settings on spatial task performance.
  • To evaluate VR's effectiveness in reducing cognitive load and improving spatial reasoning.

Main Methods:

  • Utilized functional near-infrared spectroscopy (fNIRS) for neuroimaging.
  • Assessed cognitive effort during 3D geometry puzzles across three visualization media: VR, computer screen, and physical real-world.
  • Employed a multimodal approach for progressively increasing task complexity.

Main Results:

  • VR settings demonstrated higher neural efficiency in the prefrontal cortex (PFC) compared to computer and real-world settings.
  • VR appears to decrease visuospatial task load by aiding spatial visualization and providing cues.
  • Results highlight differences in brain activity and performance across visualization mediums.

Conclusions:

  • VR is a valuable tool for spatial cognition training, particularly for novices.
  • VR can effectively reduce cognitive workload and enhance spatial skills.
  • Comparing neuroimaging and interaction data across settings provides insights into training effectiveness.