8. Because this disorder is specific to language, it is commonly called specific language
impairment (SLI).
9. As they move into adolescence and adulthood, children with LI experience lower
11. Also, genetic research indicates that the risk for SLI runs in families.
13. Common types of secondary language impairment include intellectual or cognitive
disability and the autism spectrum disorders.
15. Children with mild disability outnumber those with severe disability about 3 to 1.
16. These estimates include children who exhibit autism spectrum disorder, which is
currently estimated to affect about 1 in 68 children.
II. Who Identifies and Treats Children with Language Disorders?
A. Direct services include diagnosing language disorders and providing treatment to
children with disorders through clinical and educational interventions.
B. Indirect services include screening children for the possibility of language disorders and
referring them for direct services, as well as counseling parents on approaches to
supporting language development in the home environment.
C. The professionals most intimately involved with direct and indirect services include
speech-language pathologists, psychologists, general educators, special educators, early
interventionists, audiologists, developmental pediatricians, and otorhinolaryngologists.
D. Speech-Language Pathologists
2. The scope of practice for SLPs as related to language disorders includes a number of
3. Typical services provided by SLPs therefore include screening children for possible
4. SLPs work in many different settings, including public and private schools, hospitals,
5. There are currently more than 130,000 SLPs working in the United States; however,
there remains a significant shortage of speech-language pathologists in most regions
of North America.
E. Psychologists
1. Cognitive and perceptual psychology and developmental psychology are two branches
of psychology that conduct research relevant to child language disorders.
2. These researchers conduct basic and applied research on human perception, thinking,