Purpose: Early childhood stuttering is associated with atypical speech motor development. Compared with children who do not stutter (CWNS), the speech motor systems of school-age children who stutter (CWS) may also be particularly susceptible to breakdown under increased processing demands. The effects of increased syntactic complexity and…

Children with fragile X syndrome (FXS), the most common known inherited cause of intellectual disability, typically experience communication difficulties. Children with other intellectual disabilities such as Down syndrome also experience communication difficulties. Further, many boys with FXS (some estimates are as high as 35 percent) also are…

This follow-up study compares cognitive and language aspects of a group of Italian children ages 4-6 years, who had shown delayed expressive language abilities at 24 months of age (late talkers), with those of a group of children with a history of normal expressive language development (average talkers). Children were given a battery of…