短期暴露会改变成年听众对细分语音战术的看法
Jeremy Steffman1, Megha Sundara2
1Linguistics and English Language, The University of Edinburgh, Edinburgh, EH8 9AD, United Kingdom.
JASA express letters
|December 12, 2023
概括
成年人会动态地调整他们对语音模式的理解. 这种统计语音学习使他们能够更新双声机率并解释模两可的声音,甚至超过母语的影响.
科学领域:
- 心理语言学 心理语言学
- 语音感知 语音感知
- 认知科学 认知科学
背景情况:
- 统计学学习对于语言的学习至关重要.
- 听众根据母语的语音概率对语音声音进行分类.
- 之前的研究已经确定了声学概率在语音感知中的作用.
研究的目的:
- 为了研究成年人对声学概率的感知的可塑性.
- 为了确定听众是否动态更新双声机概率 (BPs).
- 评估更新的BP是否会影响对模两可的声学信息的感知.
主要方法:
- 复制已确立的关于声学学习的发现.
- 听众暴露于被操纵的双声分发.
- 在暴露于变化的分布后,对音声连续的感知进行评估.
主要成果:
- 听众对语音连续的分类受到操纵的双声语境的影响.
- 歪曲的双声分布导致感知效应的增强或逆转.
- 更新的双声机概率被证明会影响对模两可的声音的感知.
结论:
- 成年人对声学概率的看法是高度可塑的.
- 听众根据最近的暴露动态更新双声机概率.
- 这些动态更新可以覆盖长期存在的母语语音态模式.
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