语音词识别的代表性层面问题:来自形式原始化的证据
Jinxing Yue1,2, Roelien Bastiaanse3, David Howard4
1School of Management, Harbin Institute of Technology, Harbin, China.
概括
汉语口语识别受到词汇语调在记忆中的表现方式的影响. 用共享声音但在语调上不同的伪词进行启动,促进了识别,这表明音调是按层次处理的.
科学领域:
- 心理语言学 心理语言学
- 语音学 语音学 语音学
- 认知科学 认知科学
背景情况:
- 口语识别涉及访问存储的词汇信息.
- 在普通话口语识别中词汇语调的作用尚未完全被理解.
- 研究词汇语调的表示结构对于词识别模型至关重要.
研究的目的:
- 调查词汇音调表示对普通话口语识别的影响.
- 确定不同类型的素数 (真实单词,伪单词) 如何影响音调单词的识别.
- 探索词识别过程中细分和音调信息的处理.
主要方法:
- 通过使用词汇决策任务进行了一项形式启动实验.
- 参与者应对单音节的普通话目标词,前面有五种类型的素数.
- 素数在与目标词的关系上有所不同,在细分形式和词汇语调方面.
主要成果:
- 当目标词由共享细分音节但语调不同的伪词进行开源时,观察到了便利化.
- 没有发现任何显著的形式原始化效应,以目标词为原始的真正的单词,只有音调对比.
- 在真实词和伪词素数之间出现了不同的原始化模式.
结论:
- 汉语音调单词的识别受主要单词所获得的代表性音调水平的影响.
- 研究结果支持连接主义模型,假定词汇语调的层次表征.
- 分段和音调信息处理之间的相互作用是理解普通话词识别的关键.
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