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Related Experiment Video

Updated: Jun 23, 2026

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind

Published on: March 27, 2013

Indirect interception actions by blind and visually impaired perceivers: echolocation for interceptive actions.

Jean-Philippe Vernat¹, Michael S Gordon

¹Département STAPS, Université de Limoges, Limoges, France.

Scandinavian Journal of Psychology

|April 28, 2009

Summary

Blind individuals use sound cues for interception. This study shows moderate speeds and distances yield accurate ball-rolling interception, with echo characteristics influencing performance.

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Area of Science:

Auditory Perception
Human Motor Control
Visually Impaired Studies

Background:

The blind often rely on non-visual sensory information for navigation and interaction.
Understanding acoustic cue utilization is crucial for developing assistive technologies for the blind.

Purpose of the Study:

To investigate how blind individuals use acoustic information for interceptive actions.
To determine the influence of target dynamics and echoic conditions on interception accuracy.

Main Methods:

Congenitally blind and visually impaired participants performed an interceptive ball-rolling task.
Target ball's rolling dynamics, speed, distance, and echoic conditions were systematically varied.
Participant performance was measured by interception accuracy.

Main Results:

Interception accuracy was highest at moderate target speeds and distances.
Faster, higher-intensity echoes slightly improved participant accuracy.
Changes in target deceleration dynamics had minimal impact on performance.

Conclusions:

Blind individuals utilize spatial and temporal acoustic cues for successful interception.
Auditory information, particularly echo characteristics, plays a significant role in guiding interceptive actions.