Distinct developmental profiles in typical speech acquisition.

Journal of Neurophysiology
Jennell C VickC A Moore

Abstract

Three- to five-year-old children produce speech that is characterized by a high level of variability within and across individuals. This variability, which is manifest in speech movements, acoustics, and overt behaviors, can be input to subgroup discovery methods to identify cohesive subgroups of speakers or to reveal distinct developmental pathways or profiles. This investigation characterized three distinct groups of typically developing children and provided normative benchmarks for speech development. These speech development profiles, identified among 63 typically developing preschool-aged speakers (ages 36-59 mo), were derived from the children's performance on multiple measures. These profiles were obtained by submitting to a k-means cluster analysis of 72 measures that composed three levels of speech analysis: behavioral (e.g., task accuracy, percentage of consonants correct), acoustic (e.g., syllable duration, syllable stress), and kinematic (e.g., variability of movements of the upper lip, lower lip, and jaw). Two of the discovered group profiles were distinguished by measures of variability but not by phonemic accuracy; the third group of children was characterized by their relatively low phonemic accuracy but not by...Continue Reading

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Citations

Feb 9, 2016·Speech Communication·Brad H Story, Kate Bunton
Jul 5, 2018·CoDAS·Marizete Ilha CeronMárcia Keske-Soares
Nov 28, 2018·Journal of Speech, Language, and Hearing Research : JSLHR·Kristen M Allison, Katherine C Hustad
Jul 31, 2014·Journal of Speech, Language, and Hearing Research : JSLHR·Jennell C VickChristopher A Moore
Feb 22, 2018·Journal of Speech, Language, and Hearing Research : JSLHR·Kristen M Allison, Katherine C Hustad
Jul 16, 2019·American Journal of Speech-language Pathology·Katherine C HustadPaul J Rathouz
Mar 13, 2021·International Journal of Speech-language Pathology·Susanne RexAnita McAllister
Sep 30, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Tristan J MahrKatherine C Hustad

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