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Two Distinct Clinical Phenotypes of Bulbar Motor Impairment in Amyotrophic Lateral Sclerosis
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In: Front Neurol (2021)
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Initial studies of the phenotype and persistence of speech motor delay (SMD)
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Automatic Prediction of Intelligible Speaking Rate for Individuals with ALS from Speech Acoustic and Articulatory Samples
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Data-Driven Subclassification of Speech Sound Disorders (Vick et al., 2014) ...
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Data-Driven Subclassification of Speech Sound Disorders (Vick et al., 2014) ...
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Distinct developmental profiles in typical speech acquisition
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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 an increase in measures of variability. Analyses revealed that of the original 72 measures, 8 key measures were sufficient to best distinguish the 3 profile groups.
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Keyword:
Articles
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URL: https://doi.org/10.1152/jn.00337.2010 http://www.ncbi.nlm.nih.gov/pubmed/22357794 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3362276
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Distinct developmental profiles in typical speech acquisition
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In: Special Education and Communication Disorders Faculty Publications (2012)
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A Nonword Repetition Task for Speakers with Misarticulations: The Syllable Repetition Task (SRT)
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A Nonword Repetition Task for Speakers with Misarticulations: The Syllable Repetition Task (SRT)
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In: Special Education and Communication Disorders Faculty Publications (2009)
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Transitioning from analog to digital audio recording in childhood speech sound disorders
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Concurrent and Predictive Validity of Parent Reports of Child Language at Ages 2 and 3 Years
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Transitioning from analog to digital audio recording in childhood speech sound disorders
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In: Special Education and Communication Disorders Faculty Publications (2005)
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