Katsika Argyro, Mooshammer Christine, Tiede Mark, Goldstein Louis
Lang Speech. 2014 Dec;57(Pt 4):544-62. doi: 10.1177/0023830913512776.
In typical speech words are grouped into prosodic constituents. This study investigates how such grouping interacts with segmental sequencing patterns in the production of repetitive word sequences. We experimentally manipulated grouping behavior using a rhythmic repetition task to elicit speech for perceptual and acoustic analysis to test the hypothesis that prosodic structure and patterns of segmental alternation can interact in the production planning process. Talkers produced alternating sequences of two words (top cop) and non-alternating controls (top top and cop cop), organized into six-word sequences. These sequences were further organized into prosodic groupings of three two-word pairs or two three-word triples by means of visual cues and audible metronome clicks. Results for six speakers showed more speech errors in triples, that is, when pairwise word alternation was mismatched with prosodic subgrouping in triples. This result suggests that the planning process for the segmental units of an utterance interacts with the planning process for the prosodic grouping of its words. It also highlights the importance of extending commonly used experimental speech elicitation methods to include more complex prosodic patterns, in order to evoke the kinds of interaction between prosodic structure and planning that occur in the production of lexical forms in continuous communicative speech.
在典型的言语中，单词被分组为韵律成分。本研究调查了这种分组在重复单词序列的生成过程中如何与音段序列模式相互作用。我们通过一项节奏重复任务对分组行为进行了实验性操纵，以引出用于感知和声学分析的言语，从而检验韵律结构和音段交替模式在生成计划过程中可以相互作用的假设。说话者生成了两个单词的交替序列（top cop）和非交替控制序列（top top和cop cop），并将其组织成六个单词的序列。通过视觉线索和可听见的节拍器滴答声，这些序列被进一步组织成由三个双词对或两个三词三元组组成的韵律分组。六位说话者的结果显示，在三元组中出现了更多的言语错误，也就是说，当双词交替与三元组中的韵律子分组不匹配时。这一结果表明，话语音段单元的计划过程与其单词韵律分组的计划过程相互作用。它还强调了扩展常用的实验性言语引出方法以包括更复杂韵律模式的重要性，以便唤起在连续交际言语中词汇形式生成过程中发生的韵律结构与计划之间的那种相互作用。
