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Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
Published on: March 27, 2013
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Navigation and perception of spatial layout in virtual echo-acoustic space
C Dodsworth1, L J Norman1, L Thaler1
1Department of Psychology, Durham University, Durham DH1 3LE, UK.
Cognition
|January 18, 2020
Summary
Sighted individuals improved navigation skills using virtual echolocation, generalizing to new environments. This training enhanced spatial perception and orientation, demonstrating navigation is a versatile skill achievable through various sensory inputs.
Area of Science:
- Neuroscience
- Sensory Perception
- Human Navigation
Background:
- Navigation relies on spatial awareness and route planning.
- Previous studies explored non-visual navigation but generalization remains unclear.
- Collision avoidance in navigation needs separate investigation from spatial perception.
Purpose of the Study:
- To investigate the generalization of learned non-visual navigational abilities to new environments.
- To assess the distinct ability of collision avoidance in navigation.
- To explore the use of virtual echolocation for navigation training in sighted individuals.
Main Methods:
- A virtual echolocation paradigm was used with 14 sighted, blindfolded participants.
- Participants underwent 10 weeks of virtual navigation training.
- Spatial layout perception and navigation performance were assessed before and after training.
Main Results:
- Navigation skills significantly improved, with reduced collisions and completion time.
- Improved navigation generalized to untrained virtual environments.
- Spatial layout perception and orientation abilities were enhanced post-training.
Conclusions:
- Learned echolocation-based navigation skills generalize to novel environments.
- Virtual echolocation training fosters true sensory-driven navigational abilities.
- Navigation is a modality-independent skill, achievable through sensory substitution like echolocation.
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