The Role of Frequency in Learning Morphophonological Alternations: Implications for Children With Specific Language Impairment

Journal of Speech, Language, and Hearing Research : JSLHR
Ekaterina TomasPeter Petocz

Abstract

The aim of this article was to explore how the type of allomorph (e.g., past tense buzz[d] vs. nod[əd]) influences the ability to perceive and produce grammatical morphemes in children with typical development and with specific language impairment (SLI). The participants were monolingual Australian English-speaking children. The SLI group included 13 participants (mean age = 5;7 [years;months]); the control group included 19 children with typical development (mean age = 5;4). Both groups performed a grammaticality judgment and elicited production task with the same set of nonce verbs in third-person singular and past tense forms. Five-year-old children are still learning to generalize morphophonological patterns to novel verbs, and syllabic /əz/ and /əd/ allomorphs are significantly more challenging to produce, particularly for the SLI group. The greater phonetic content of these syllabic forms did not enhance perception. Acquisition of morphophonological patterns involving low-frequency allomorphs is still underway in 5-year-old children with typical development, and it is even more protracted in SLI populations, despite these patterns being highly predictable. Children with SLI will therefore benefit from targeted interventio...Continue Reading

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Citations

Feb 8, 2019·International Journal of Language & Communication Disorders·Laurence B Leonard, Justin B Kueser
Mar 12, 2019·Journal of Child Language·Tiffany BoersmaAnne Baker
Feb 1, 2020·Journal of Speech, Language, and Hearing Research : JSLHR·Benjamin DaviesKatherine Demuth
Dec 12, 2018·International Journal of Language & Communication Disorders·Magali KrzemienSandrine Leroy
Jan 29, 2019·Frontiers in Human Neuroscience·Ekaterina Tomas, Constance Vissers
Feb 23, 2020·International Journal of Language & Communication Disorders·Selçuk Güven, Laurence B Leonard
Dec 28, 2021·Clinical Linguistics & Phonetics·Selçuk Güven, Laurence B Leonard

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