Language Development From Early Childhood to Adolescence in Youths With Fragile X Syndrome.

ABSTRACT: Purpose The aim of this study was to investigate language growth in individuals with fragile X syndrome (FXS) from early childhood to adolescence and the influence of maternal responsivity on language growth. Method We conducted a longitudinal analysis of language development in 55 youths (44 males, 11 females) with FXS. Data collection spanned the ages of 11-216 months. We measured expressive and receptive vocabulary with standardized tests. The number of different words and mean length of utterance were obtained from language sample analyses of mother-child interactions. We also measured maternal comments (responsivity indicator) produced during the language samples and child nonverbal IQ. Results Growth models indicated that rates of number of different words and receptive vocabulary we

SUBMITTER: Brady NC 

PROVIDER: S-EPMC8582761 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature