Examining the Language Phenotype in Children With Typical Development, Specific Language Impairment, and Fragile X Syndrome

Conclusions Although boys with FXS have language deficits, they performed similarly to MLU-matched typically developing children on finiteness marking. This language profile differs from children with SLI, who present with a delay-within-a-delay profile with finiteness marking delays that exceed delays in MLU. Unscorable responses produced by the boys with FXS may reflect pragmatic deficits, which are prominent in this population. Assessment procedures should be carefully considered when examining language in boys with FXS.
Source: Journal of Speech, Language, and Hearing Research - Category: Speech Therapy Source Type: research