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Virtual Reality Tools for Assessing Unilateral Spatial Neglect: A Novel Opportunity for Data Collection
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Lateral specialization in unilateral spatial neglect: a cognitive robotics model.

Daniela Conti1, Santo Di Nuovo2, Angelo Cangelosi3

  • 1Department of Education Sciences, University of Catania, Via Biblioteca 4, 95124, Catania, Italy.

Cognitive Processing
|March 29, 2016
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Summary

This study models unilateral spatial neglect (USN) using a cognitive robot. The robot successfully replicated human USN behaviors, demonstrating the potential of robotic platforms for studying cognitive deficits.

Keywords:
Cognitive roboticsEmbodied cognitionHemisphere specializationNeuropsychologyUnilateral spatial neglect

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Area of Science:

  • Cognitive Robotics
  • Neuroscience
  • Artificial Intelligence

Background:

  • Unilateral spatial neglect (USN) is a cognitive deficit impacting spatial attention.
  • Traditional methods for studying USN have limitations.

Purpose of the Study:

  • To present an embodied cognitive robotic approach for modeling USN.
  • To introduce a novel artificial neural network architecture for spatial attention control.
  • To validate the model by comparing robotic and human patient behaviors.

Main Methods:

  • Developed an artificial neural network with two hemispheres and bio-inspired plasticity.
  • Trained the network to control the spatial attentional focus of the iCub robotic platform.
  • Replicated a previous experiment involving human patients with USN.

Main Results:

  • The robotic model successfully mimicked human behaviors observed in patients with USN.
  • Simulated recovery after damage showed distinct hemispheric performance, validating the model.
  • The right hemisphere demonstrated specialization for spatial attention.

Conclusions:

  • Embodied cognitive robotic platforms can effectively model human cognitive dysfunctions like USN.
  • Robotic modeling offers a complementary approach to traditional methods for studying spatial impairments.
  • The developed neural network architecture shows promise for understanding and potentially treating USN.