This case study examines the phonology of a five-year-old Polish-speaking boy with protracted phonological development. A multi-tier analysis of his phonology revealed that word length, stress patterns, vowels and most consonants were largely compatible with the adult target while coronal consonants requiring fine control of tongue shape (fricatives, affricates, liquids) and most consonant clusters posed difficulty for the child in all word positions. Labial and dorsal features were well-established; in fact, [Labial] outcompeted other places of articulation in problematic sequences of both singletons and clusters. The case profile demonstrates asynchronous development of individual phonological elements and tiers. A proposed treatment plan exploits the child's strengths to address his needs and minimise the discrepancy between the tiers.
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http://dx.doi.org/10.1080/02699206.2022.2054359 | DOI Listing |
Clin Linguist Phon
August 2024
The Faculty of Polish and Classical Philology, Adam Mickiewicz University, Poznań, Poland.
This contribution presents tools for the assessment of phonological development of Polish-learning children and an initial qualitative evaluation thereof. The tools are consistent with those developed for 16 other languages in a cross-linguistic study of phonological development that is embedded in the framework of constraint-based nonlinear phonology. This theoretical foundation underlies the composition of a Polish word list for elicitation plus a supplementary analysis and intervention planning form (where intervention is warranted).
View Article and Find Full Text PDFClin Linguist Phon
May 2024
School of Arts and Humanities, University of Lisbon, Lisboa, Portugal.
The alveolar lateral is phonetically and phonologically complex. Previous studies have shown that /l/ is one of the last segments to be acquired by typically developing Portuguese children. However, little is known about how Portuguese children with atypical development acquire /l/.
View Article and Find Full Text PDFJ Exp Child Psychol
April 2024
Department of Cognitive Science, University of California, San Diego, La Jolla, CA 92093, USA.
A critical indicator of spoken language knowledge is the ability to discern the finest possible distinctions that exist between words in a language-minimal pairs, for example, the distinction between the novel words beesh and peesh. Infants differentiate similar-sounding novel labels like "bih" and "dih" by 17 months of age or earlier in the context of word learning. Adult word learners readily distinguish similar-sounding words.
View Article and Find Full Text PDFDev Sci
March 2024
Departament of Psychology, Universidade de Évora, Evora, Portugal.
Discrimination of reversible mirrored letters (e.g., d and b) poses a challenge when learning to read as it requires overcoming mirror invariance, an evolutionary-old perceptual tendency of processing mirror images as equivalent.
View Article and Find Full Text PDFLang Acquis
May 2022
Department of Psychology, University of Pennsylvania, USA.
Children are adept at learning their language's speech-sound categories, but just how these categories function in their developing lexicon has not been mapped out in detail. Here, we addressed whether, in a language-guided looking procedure, two-year-olds would respond to a mispronunciation of the voicing of the initial consonant of a newly learned word. First, to provide a baseline of mature native-speaker performance, adults were taught a new word under training conditions of low prosodic variability.
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