Language profiles in ASD, SLI, and ADHD.
Use the CCC-2, but read the scores through age, diagnosis, and impulsivity filters.
01Research in Context
What this study did
Parents filled out the Children’s Communication Checklist-2 for kids with autism, ADHD, or specific language impairment.
The researchers sorted the forms by age: preschool (3-5) versus school age (6-11).
They looked at two big language areas: structural skills like grammar and pragmatic skills like social use.
What they found
Preschoolers with autism or SLI mostly had trouble with grammar and sentence building.
School-age kids with autism or ADHD mostly had trouble using language in social ways.
Children who were impulsive got lower total scores, so ADHD symptoms can hide language strength.
How this fits with other research
Nudel et al. (2020) adds a genetic lens: the same SLI genes do not predict language scores in autism or ADHD. This backs the idea that the profiles are truly different, not just labeled different.
Dudley et al. (2019) zooms in on syntax and shows kids with autism struggle with passive voice even when mental age matches. That supports the 2008 finding that grammar is the weak spot in young autistic learners.
Roello et al. (2015) and Vugs et al. (2014) show preschool SLI groups also have poor executive function and working memory. These hidden deficits may feed the structural language problems the 2008 paper flagged.
Why it matters
Stop using one profile for every kid on your caseload. If you test a preschooler with autism, target grammar first. If you test a school-age learner with ADHD, target social language and keep tasks short to beat impulsivity. Always check CCC-2 scores against age and diagnosis so you do not chase the wrong goal.
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02At a glance
03Original abstract
Developmental disorders might differ in their language profiles when using parent reports. The first study indicated that school aged children with ASD have similar language profiles as children with ADHD. Both groups had relatively more difficulties with pragmatics than with structural language aspects. The second study indicated that both preschoolers with ASD and those with SLI show the opposite pattern, thus having relatively more difficulties with structural language aspects than with pragmatics. Finally, an increase in the presence of ADHD characteristics of impulsivity in these preschoolers is associated with an increase in language difficulties, while there is no such relation with inattention. It seems useful to evaluate the communication abilities of children regularly in the course of development and take ADHD characteristics into account. Finally recommendations on clinical use of the Children's Communication Checklist-2 (CCC-2, Bishop 2003) are discussed.
Journal of autism and developmental disorders, 2008 · doi:10.1007/s10803-008-0587-1