Babbling in children with neurodevelopmental disability and validity of a simplified way of measuring canonical babbling ratio

Clinical Linguistics & Phonetics
Anna Nyman, Anette Lohmander

Abstract

Babbling is an important precursor to speech, but has not yet been thoroughly investigated in children with neurodevelopmental disabilities. Canonical babbling ratio (CBR) is a commonly used but time-consuming measure for quantifying babbling. The aim of this study was twofold: to validate a simplified version of the CBR (CBRUTTER), and to use this measure to determine if early precursors to speech and language development could be detected in children with different neurodevelopmental disabilities. Two different data sets were used. In Part I, CBRUTTER was compared to two other CBR measures using previously obtained phonetic transcriptions of 3571 utterances from 38 audio recordings of 12-18 month old children with and without cleft palate. In CBRUTTER, number of canonical utterances was divided by total number of utterances. In CBRsyl, number of canonical syllables was divided by total number of syllables. In CBRutt, number of canonical syllables was divided by total number of utterances. High agreement was seen between CBRUTTER and CBRsyl, suggesting CBRUTTER as an alternative. In Part II, babbling in children with neurodevelopmental disability was examined. Eighteen children aged 12-22 months with Down syndrome, cerebral pa...Continue Reading

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Citations

Jul 3, 2019·Journal of Speech, Language, and Hearing Research : JSLHR·Mary Pat MoellerSophie E Ambrose
Jan 28, 2020·Current Developmental Disorders Reports·Sigrun LangPeter B Marschik
Oct 22, 2020·The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association·Anette LohmanderTraci Flynn
Feb 13, 2021·Frontiers in Psychology·D Kimbrough Oller, Ulrike Griebel

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