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Related Experiment Video

Updated: Jul 10, 2026

Practical Methodology of Cognitive Tasks Within a Navigational Assessment

Practical Methodology of Cognitive Tasks Within a Navigational Assessment

Published on: June 1, 2015

Space cognitive map as a tool for navigation for visually impaired.

E Pissaloux¹, F Maingreaud, R Velazquez

¹LRP, Paris VI Univ., CNRS-FRE 2507, Fontenay-aux-Roses, France. pissaloux@robot.jussieu.fr

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

|October 20, 2007

Summary

This study explores how visual and tactile senses combine for human navigation. A new visual-to-tactile coding system was developed and validated, showing potential for navigation aids for the visually impaired.

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Area of Science:

Cognitive Science
Human-Computer Interaction
Robotics

Background:

Human navigation relies on integrating multisensory information to build spatial mental representations.
Understanding the interplay between visual and tactile modalities is crucial for developing effective navigation systems.

Purpose of the Study:

To investigate the interaction between visual and tactile sensory input during navigation tasks.
To propose and validate a novel spatial representation and its visual-to-tactile coding scheme.
To assess the potential of this coding for navigation assistance tools.

Main Methods:

Utilized the
perception-movement
experimental platform.
Developed a new spatial representation with visual-to-tactile coding.
Conducted four experiments involving basic navigation tasks to validate the proposed coding.

Main Results:

The proposed visual-to-tactile coding effectively represents spatial information for navigation.
Experimental results validated the efficacy of the new coding through navigation tasks.
Demonstrated the feasibility of integrating this spatial representation into portable navigation tools.

Conclusions:

The developed visual-to-tactile coding is a viable method for spatial representation in navigation.
This approach shows significant promise for creating navigation assistance tools for the blind and visually impaired.
Further development could lead to practical applications in assistive technology.