ArticleTranslational vision science & technology2025
Enhancing Orientation and Mobility Assessments: Integrating Visual and Auditory Factors Using Artificial Intelligence Tools.
Article in Translational vision science & technology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02983370 (Pilot Study for the Development of a Cortical Visual Neuroprosthesis for the Blind Based on Intracortical Microelectrodes), which is not on this map. Not yet cited in PubMed.
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Pilot Study for the Development of a Cortical Visual Neuroprosthesis for the Blind Based on Intracortical Microelectrodes
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4 authors.
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Abstract
Propose: Common orientation and mobility (O&M) assessments in individuals with visual impairments often overlook environmental and psychological factors, and report results in outcome measures that might not be sufficiently sensitive. The present study aims to extend previous assessments by comparing the O&M performance and arousal levels in different simulated vision impairment and auditory conditions while using artificial intelligence (AI) tools for body tracking in an O&M task within a StreetLab environment. Methods: We video-recorded the O&M performance in 32 volunteers under different auditory and visual conditions. In addition to common outcome metrics (speed and collisions), we measured path length and deviations based on AI tools. Physiological parameters and subjective experiences were also recorded. Results: Our results showed differences between various conditions when measured using AI-based path length and deviations that were not detected by common outcome measures. We found that both vision and auditory conditions influenced O&M performance and that performing the task with a lot of background sound increased arousal. Conclusions: Overall, the study shows that AI-based analysis can offer valuable insights into performance beyond traditional measures and that a comprehensive evaluation of O&M skills in visual impairment should include considerations for both visual and auditory factors as well as arousal level. Translational Relevance: The use of AI tools enhance O&M assessments for individuals with visual impairments provides insights into environmental and psychological factors influencing O&M performance and potentially improves the evaluation of and care for individuals with visual impairments.
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