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Updated: Jan 28, 2026

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视觉神经假体的自主多感官增强用于导航:通过模拟假体视觉技术概念验证和视觉假体用户单个受试者的案例研究
Breanne Christie1, Nicolas Norena Acosta1, Roksana Sadeghi2
1Johns Hopkins Applied Physics Laboratory, 11100 Johns Hopkins Road, Laurel, Maryland, 20723, UNITED STATES.
Journal of neural engineering
|January 26, 2026
概括
多感官反系统,结合触觉和音频线索,显著改善了视力障碍者使用假肢视力的导航. 这些系统为增强流动性和独立性提供了一个有希望的解决方案.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 人与计算机的交互
背景情况:
- 视力障碍对独立导航构成重大挑战.
- 目前的视觉神经假体提供有限的导航能力.
- 开发有效的导航辅助工具对于改善视力障碍者的生活质量至关重要.
研究的目的:
- 探索视觉神经假肢使用者的自主导航辅助器具有多感官反的有效性.
- 为了比较不同的感觉反配置 (假肢视觉,触觉,听觉) 对于导航的性能.
- 评估系统在视力受损者中提高导航性能的潜力.
主要方法:
- 开发了一种具有实时环境映射和多传感指导的自主导航系统.
- 在20名视力正常的参与者中评估了系统性能,他们模拟了假肢视力和一个Argus II用户.
- 评估任务,包括目的地导航,穿越障碍物和使用各种感官反组合判断距离.
主要成果:
- 触觉和音频反组合在导航任务中被证明是非常有效的,实现了近乎完美的成功率.
- 假肢视觉本身不足以导航;深度视觉提供了轻微的改善,但被触觉/音频指导所超越.
- 宽视野深度视觉增强了障碍物穿越,同时将假肢视觉添加到触觉/音频线索中没有任何好处,有时会降低性能.
结论:
- 多式联络反系统,特别是那些整合触觉和听觉线索的系统,显示出改善假肢视觉用户导航的巨大潜力.
- 这些发现表明,精心设计的感官集成可以克服当前视觉假肢的局限性.
- 对多感官导航辅助器的进一步研究和开发是有必要的,以提高视力受损者的移动性.
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