MOLECULAR BASIS OF LANGUAGE DEVELOPMENT AND ASSOCIATED DISORDERS

Inclusion Criteria

• •Patients
• •Eligible families included at least one child over five years old with a formal diagnosis of severe and isolated DLD according to Phase 2 CATALISE criteria . Patients have undergone age-appropriate speech, language and reading evaluations by a speech-language physician and cognitive evaluations by a neuropsychologist, as well as evaluation by a pediatric neurologist to identify co-occurring developmental disorders (ADHD, ASD…) and a medical geneticist for known genetic disorders and genetic testing recommendations. All children included received appropriate speech therapy for at least one year, with a progress report indicating the persistence of language difficulties.