The development of phonological awareness, the knowledge of the structural combinatoriality of a language, has been widely investigated in relation to reading (dis) ability across languages. However, the extent to which knowledge of phonemic units may interact with spoken language organization in (transparent) alphabetical languages has hardly been investigated. The present study examined whether phonemic awareness correlates with coarticulation degree, commonly used as a metric for estimating the size of children's production units. A speech production task was designed to test for developmental differences in intra-syllabic coarticulation degree in 41 German children from 4 to 7 years of age. The technique of ultrasound imaging allowed for comparing the articulatory foundations of children's coarticulatory patterns. Four behavioral tasks assessing various levels of phonological awareness from large to small units and expressive vocabulary were also administered. Generalized additive modeling revealed strong interactions between children's vocabulary and phonological awareness with coarticulatory patterns. Greater knowledge of sub-lexical units was associated with lower intra-syllabic coarticulation degree and greater differentiation of articulatory gestures for individual segments. This interaction was mostly nonlinear: an increase in children's phonological proficiency was not systematically associated with an equivalent change in coarticulation degree. Similar findings were drawn between vocabulary and coarticulatory patterns. Overall, results suggest that the process of developing spoken language fluency involves dynamical interactions between cognitive and speech motor domains. Arguments for an integrated-interactive approach to skill development are discussed.
Introduction: This study explores practices employed by a person with aphasia (PWA) and his wife to organize collaborative storytelling in a multiparty interaction. We identify practices that further the PWA’s agency – his impact on action – while he is telling a story together with his wife.
Method: Using conversation analysis (CA), we carried out a case study of a successful storytelling sequence involving a 39-year-old man with anomic aphasia during a conversation with friends.
Analysis: The PWA contributed to the storytelling by initiating the story sequence and by producing short but significant utterances in which he provided essential information and displayed epistemic authority. The spouse aligned with the PWA’s initiated actions and supported his agency by giving him room to speak, for example, by gaze retraction.
Discussion: The analysis offers insight into practices that allowed this PWA to achieve agency. Our findings show that communication partner training could benefit from implementing activities such as collaborative storytelling.
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