Purpose: Many typically developing children first use inflections such as "-ed" with verb predicates whose meanings are compatible with the functions of the inflection (e.g., using "-ed" when describing events of brief duration with clear end points, such as "dropped"). This tendency is assumed to be beneficial for…

Background: The discovery of clinical markers for specific language impairment (SLI) in children can assist in the accurate identification of children with this disorder, and in a description of the disorder's phenotype for genetic study. One challenge to this type of research is the fact that languages vary in the most salient symptoms of SLI.…