统计信息影响口语语音语言的口语识别在口吃者:来自听觉感知门研究的证据
Jiaqiang Zhu1, Jing Shao2, Caicai Zhang1
1Research Centre for Language, Cognition, and Neuroscience, Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China.
Journal of speech, language, and hearing research : JSLHR
|August 30, 2023
概括
成年中国语口吃者可以使用统计语音模式来识别单词,尽管整体准确性较低. 这表明他们的语音感知挑战并不是由于缺乏统计学学习.
科学领域:
- 语言学的语言学.
- 语音和听力科学 语言和听力科学
- 心理学 心理学 心理学
背景情况:
- 吃的人经常表现出不典型的语音感知以及不流的语音产生.
- 之前的研究表明,与非口吃者相比,口吃者如何处理听觉信息可能存在差异.
研究的目的:
- 调查成年中文口语口吃者是否可以利用母语中的统计规律来识别口语.
- 为了确定口吃者获得这些统计知识所需的声学信息量.
主要方法:
- 对17个口吃者和20个不口吃的对照进行了封锁实验.
- 参与者听取了细分的单音节汉语单词,音节频率和音调同时出现的概率各不相同.
- 用混合效果模型分析了音节,音调和单词识别的响应准确性.
主要成果:
- 与对照组相比,口吃者在音节,音调和单词识别方面的整体准确性较低.
- 尽管准确度较低,但口吃者表现出可靠的感知模式,对统计线索 (音节频率,音调概率) 的反应与对照组相似.
- 两组在识别音调错误时都显示出类似的模式.
结论:
- 成年讲汉语的口吃者具有语音感知中的统计学习能力.
- 它们使用声学音调和统计规律识别口语的能力表明,感知不是主要的缺陷.
- 这些发现支持了口吃时语音感知和发声之间的潜在联系,这对诊断和治疗有意义.
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