适应句子和旋律,在语音-非语音连续上做出判断时
1Department of Psychology, University of Minnesota-Twin Cities, 75 E River Rd, Minneapolis, MN, 55455, USA. gao00196@umn.edu.
Attention, perception & psychophysics
|February 25, 2025
概括
听觉适应改变了声音和乐器声音之间的感知. 这种效应发生在语音或旋律中,但不发生在非语音发音或打击乐中,这表明特定的声音特性驱动了适应.
科学领域:
- 听觉感知是一种听觉感知.
- 感知适应 感知适应
- 感官处理 感官处理
背景情况:
- 感官适应增强了对新兴刺激的检测,并改善了信息编码.
- 在听觉感知中记录了对比的适应效应,特别是在语音和乐器类别之间.
- 以前的研究表明,在接触元音或乐器音调后,声音和乐器类别之间的感知转移.
研究的目的:
- 在语音-乐器连续上研究对比性适应的概括性.
- 检查生态有效适配器在听觉适应中的作用.
- 为了确定诱导语音-乐器对比性适应的特定声音特性.
主要方法:
- 参与者接触到适配器声音 (口语句子或乐器旋律),然后听到模两可的语音-乐器目标声音.
- 声母和乐器声音之间的10步形态连续体被用来创建目标刺激.
- 分析了目标声音的听众分类,以评估感知转变.
主要成果:
- 一个口语句子或乐器旋律适配器在听众对模两可的声乐器目标的分类中引发了对比的感知转变.
- 这种适应效应发生不论共享扬声器的性别或适应器和目标之间的类似音调范围.
- 没有显著的对比性适应被观察到与非语音发音或非尖的打击乐声音作为适应器.
结论:
- 语音和非语音类别之间的听觉适应不仅仅取决于精确的刺激重复或人类/非人类声音源分类.
- 这些发现强调了特定的光谱-时间声特性在驱动语音-乐器对比性适应中的重要性.
- 未来的研究应该集中在确定这些精确的声学特征,负责观察到的适应效应.
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