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Longitudinal Growth in Intelligibility of Connected Speech from 2 to 8 Years in Children with Cerebral Palsy: A Novel Bayesian Approach

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Title: Longitudinal Growth in Intelligibility of Connected Speech from 2 to 8 Years in Children with Cerebral Palsy: A Novel Bayesian Approach
Language: English
Authors: Mahr, Tristan J. (ORCID 0000-0002-8890-5116), Rathouz, Paul J. (ORCID 0000-0001-8380-4300), Hustad, Katherine C. (ORCID 0000-0002-8544-7754)
Source: Journal of Speech, Language, and Hearing Research. Sep 2020 63(9):2880-2893.
Availability: American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org
Peer Reviewed: Y
Page Count: 14
Publication Date: 2020
Sponsoring Agency: National Institute on Deafness and Other Communication Disorders (NIDCD)
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) (NIH)
Contract Number: R01DC009411
U54HD090256
Document Type: Journal Articles
Reports - Research
Descriptors: Cerebral Palsy, Young Children, Speech Communication, Speech Impairments, Comprehension, Age Differences, Predictor Variables, Pronunciation, Oral Language, Communication Problems, Listening Comprehension Tests, Receptive Language
Assessment and Survey Identifiers: Test for Auditory Comprehension of Language, Preschool Language Scale, Peabody Picture Vocabulary Test
DOI: 10.1044/2020_JSLHR-20-00181
ISSN: 1092-4388
Abstract: Aim: The aim of the study was to examine longitudinal growth in intelligibility in connected speech from 2 to 8 years of age in children with cerebral palsy. Method: Sixty-five children with cerebral palsy participated in the longitudinal study. Children were classified into speech-language profile groups using age-4 data: no speech motor impairment (SMI), SMI with typical language comprehension, and SMI with impaired language comprehension. We fit a Bayesian nonlinear mixed-effects model of intelligibility growth at the child and group levels. We compared groups by age of steepest growth, maximum growth rate, and predicted intelligibility at 8 years of age. Results: The no SMI group showed earlier and steeper intelligibility growth and higher average outcomes compared to the SMI groups. The SMI groups had more variable growth trajectories, but the SMI with typical language comprehension group had higher age-8 outcomes and steeper rates of maximum growth than the SMI with impaired language comprehension group. Language comprehension impairment at age of 4 years predicted lower intelligibility outcomes at age of 8 years, compared to typical language at age of 4 years. Interpretation: Children with SMI at age of 4 years show highly variable intelligibility growth trajectories, and comorbid language comprehension impairment predicts lower intelligibility outcomes.
Abstractor: As Provided
Entry Date: 2021
Accession Number: EJ1280767
Database: ERIC
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  Data: Longitudinal Growth in Intelligibility of Connected Speech from 2 to 8 Years in Children with Cerebral Palsy: A Novel Bayesian Approach
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  Data: <searchLink fieldCode="AR" term="%22Mahr%2C+Tristan+J%2E%22">Mahr, Tristan J.</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-8890-5116">0000-0002-8890-5116</externalLink>)<br /><searchLink fieldCode="AR" term="%22Rathouz%2C+Paul+J%2E%22">Rathouz, Paul J.</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0001-8380-4300">0000-0001-8380-4300</externalLink>)<br /><searchLink fieldCode="AR" term="%22Hustad%2C+Katherine+C%2E%22">Hustad, Katherine C.</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-8544-7754">0000-0002-8544-7754</externalLink>)
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Speech%2C+Language%2C+and+Hearing+Research%22"><i>Journal of Speech, Language, and Hearing Research</i></searchLink>. Sep 2020 63(9):2880-2893.
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  Data: American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org
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  Data: 14
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  Data: National Institute on Deafness and Other Communication Disorders (NIDCD)<br />Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) (NIH)
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  Data: 10.1044/2020_JSLHR-20-00181
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  Data: Aim: The aim of the study was to examine longitudinal growth in intelligibility in connected speech from 2 to 8 years of age in children with cerebral palsy. Method: Sixty-five children with cerebral palsy participated in the longitudinal study. Children were classified into speech-language profile groups using age-4 data: no speech motor impairment (SMI), SMI with typical language comprehension, and SMI with impaired language comprehension. We fit a Bayesian nonlinear mixed-effects model of intelligibility growth at the child and group levels. We compared groups by age of steepest growth, maximum growth rate, and predicted intelligibility at 8 years of age. Results: The no SMI group showed earlier and steeper intelligibility growth and higher average outcomes compared to the SMI groups. The SMI groups had more variable growth trajectories, but the SMI with typical language comprehension group had higher age-8 outcomes and steeper rates of maximum growth than the SMI with impaired language comprehension group. Language comprehension impairment at age of 4 years predicted lower intelligibility outcomes at age of 8 years, compared to typical language at age of 4 years. Interpretation: Children with SMI at age of 4 years show highly variable intelligibility growth trajectories, and comorbid language comprehension impairment predicts lower intelligibility outcomes.
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        Value: 10.1044/2020_JSLHR-20-00181
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      – Text: English
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      – SubjectFull: Speech Communication
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      – SubjectFull: Preschool Language Scale
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      – TitleFull: Longitudinal Growth in Intelligibility of Connected Speech from 2 to 8 Years in Children with Cerebral Palsy: A Novel Bayesian Approach
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