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以声音引导和动感反进行感知训练对人类3D声音定位能力的影响
Ranjita Kumari1, Sukhan Lee2, Jonghwan Shin1
1Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea.
Sensors (Basel, Switzerland)
|June 10, 2023
概括
感知训练显著提高了盲人的3D声音定位. 相对错误反被证明比绝对错误反更有效地提高空间听力准确性.
科学领域:
- 听觉神经科学 听觉神经科学
- 人与计算机的交互
- 康复工程 康复工程
背景情况:
- 视力障碍者经常严重依赖听觉线索来进行空间意识.
- 传统的声音定位培训方法可能无法完全解决三维听觉感知的复杂性.
研究的目的:
- 开发和评估一种新的感知训练方法,以改善盲人3D声音定位.
- 将这种新方法的有效性与传统的培训方法进行比较.
主要方法:
- 设计了一个新的感知训练方案,结合了声音引导的反和动感辅助.
- 视觉感知被排除在眼罩之外,以专注于听觉和运动感官.
- 试验对象使用一根专门的指针棒,其尖端产生声音,以指示本地化错误和位置.
- 培训时间为6天,涉及6名视力受损者.
主要成果:
- 随着训练,完整的3D声音定位 (阿齐木斯,高度,距离) 的整体准确性得到了改善.
- 使用相对错误反的培训比使用绝对错误反的培训更有效.
- 观察到一致的偏差:低估了近距离 (<1000毫米) 和特定的光径 (>15°左),以及高估了近距离/中央声源的高度.
结论:
- 感知训练可以显著提高视力障碍患者的3D声音定位能力.
- 相对错误反是一种比空间听力绝对错误反更强大的训练范式.
- 了解系统的局部化偏差对于开发有针对性的听力康复策略至关重要.
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