音声间连贯性,音声间水平差异和双耳融合之间的关系.
Justin M Aronoff1, Josephine R LaPapa1, Jordan Deutsch1
1Speech and Hearing Science Department, University of Illinois at Urbana-Champaign, 901 S 6th St., Champaign, IL 61820, United States of America.
Hearing research
|March 21, 2025
概括
较大的耳间水平差异 (ILD) 可以促进双耳融合,即使信号连贯性降低. 这表明,ILD对于整合来自两耳的听觉信息至关重要.
科学领域:
- 听觉神经科学 听觉神经科学
- 精神声学是一种精神声学.
背景情况:
- 双耳融合将两个耳朵的听觉信号整合到一个单一的感知中.
- 减少声间连贯性通常会损害双耳融合.
- 区域间水平差异 (ILDs) 通常对连贯性变化具有强度.
研究的目的:
- 调查ILDs和双耳融合在减少的耳间连贯性下之间的相互作用.
- 确定大型ILD是否可以促进不连贯信号的双耳融合.
主要方法:
- 呈现了带有声编码的听觉刺激,具有不同的耳间连贯性和ILD.
- 参与者报告了感知到的听觉图像大小和侧面化.
- 第二个实验评估了在偏向ILDs下,一只耳朵的噪音感知.
主要成果:
- 减少的耳间连贯性刺激与大ILD融合,但与0 dBILD并非如此.
- 大型ILDs促进了不连贯信号的双耳融合.
- 大型ILDs的存在降低了识别耳朵特异信号强度变化的能力.
结论:
- 显著的ILD可以克服减少的耳间连贯性,以实现双耳融合.
- 大型ILDs促进了更完整的双耳融合,减少了耳朵特定的感知.
- ILD在双耳融合的稳定性中起着至关重要的作用.
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