评估语音声音类别和对比的感知困难,以优化最小的对训练
Kristi Hendrickson1, Nadine Lee1, Elizabeth A Walker1
1Department of Communication Sciences and Disorder, The University of Iowa, Iowa City.
Journal of speech, language, and hearing research : JSLHR
|April 29, 2025
概括
这项研究表明,语音听觉困难在方式和地点等类别内有很大差异,影响了对训练的最小有效性. 了解这些细微差别对于提高语音分辨能力至关重要.
科学领域:
- 心理语言学 心理语言学
- 语音感知 语音感知
- 听觉神经科学 听觉神经科学
背景情况:
- 语音感知研究通常将声音广泛分类 (方式,地点,表达,鼻音).
- 这些类别内的微妙差异显著影响感知歧视.
- 在感知训练中使用最小对对比,但它们的有效性可能根据特定的声音对比而有所不同.
研究的目的:
- 要确定区分语音类别的感知困难.
- 确定区分单个语音声音对比在类别中的困难.
- 为了帮助开发更有效的最小对对比,用于感知训练.
主要方法:
- 在视觉世界范式中利用心理语言方法和眼睛跟踪.
- 介绍了30名正常听觉的成年人,用听觉单词和图像选择.
- 包括最小的对竞争者,在单词最终位置上以不同的方式,位置,发音或鼻音不同.
主要成果:
- 方式和位置的竞争对手表现出比表达和鼻音的竞争对手更大的感知竞争.
- 在个人方式对比中,在歧视难度方面发现了显著的差异.
- 随着时间的推移,眼睛跟踪揭示了微小对竞争对手的差异性固定模式.
结论:
- 语音声音的感知比广泛的类别分类所暗示的要细微.
- 个人语音声音对比在类别内有不同的感知困难.
- 这些发现可以改进对语音障碍的最小对治疗策略.
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