The effect of verbal conjugation predictability on speech signal
The effect of verbal conjugation predictability on speech signal
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DOI：
10.1007/s11525-023-09404-9
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发表时间：
2023-03-10
期刊：
影响因子：
1.4
通讯作者：
Hashimoto，Daiki
中科院分区：
文献类型：
--
作者：
Hashimoto，Daiki
日语有着丰富的动词变位系统。例如，lemmamiru可以被实现为非过去指示形式miru、过去指示形式mita或命令形式miro。动词的变化取决于多种因素，如体和语气。也就是说，说话人在言语产出中必须选择合适的共轭形式。本研究的目的是探讨动词的产生是否受到动词词元选择共轭形式的概率的影响。基于语料库的研究表明，如果一个动词经常被生成为非过去式，那么这个动词在被生成为非过去式时的持续时间会更短。通过假设说话者同时存储情景记忆和抽象类别（即，引理和共轭形式），并且产生目标创建的容易程度是抽象类别的静息激活水平的函数。
Japanese has a rich verbal conjugation system. For example, the lemmamirumay be realized as the non-past indicative formmiru, the past indicative formmita, or the imperative formmiro. A verb is conjugated depending on a variety of factors such as aspect and mood. That is, a speaker has to choose an appropriate conjugated form in speech production. The aim of this study is to explore whether the production of a verb is influenced by the probability of choosing a conjugated form given the verbal lemma. Our corpus-based research demonstrates that, if a verb has been produced as a non-past indicative form frequently, the verb is produced with shorter duration when produced as the non-past indicative form. This result can be neatly captured by positing that a speaker stores both episodic memories and abstract categories (i.e., lemma and conjugation form), and that the ease in production target creation is a function of the resting activation level of an abstract category.