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Phonological Accuracy And Intelligibility In Connected Speech Of Boys With Fragile X Syndrome Or Down Syndrome, Elizabeth Barnes, Joanne Roberts, Steven Long, Gary E. Martin, Mary C. Berni, Kerry C. Mandulak, John Sideris
Phonological Accuracy And Intelligibility In Connected Speech Of Boys With Fragile X Syndrome Or Down Syndrome, Elizabeth Barnes, Joanne Roberts, Steven Long, Gary E. Martin, Mary C. Berni, Kerry C. Mandulak, John Sideris
Speech Pathology and Audiology Faculty Research and Publications
Purpose: To compare the phonological accuracy and speech intelligibility of boys with fragile X syndrome with autism spectrum disorder (FXS-ASD), fragile X syndrome only (FXS-O), Down syndrome (DS), and typically developing (TD) boys.
Method: Participants were 32 boys with FXS-O (3–14 years), 31 with FXS-ASD (5–15 years), 34 with DS (4–16 years), and 45 TD boys of similar nonverbal mental age. We used connected speech samples to compute measures of phonological accuracy, phonological process occurrence, and intelligibility.
Results: The boys with FXS, regardless of autism status, did not differ from TD boys on phonological accuracy and phonological …