Deep phenotyping of speech and language skills in individuals with 16p11.2 deletion.

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This study shows that most children with a proximal 16p11.2 deletion have significant speech motor and language challenges—especially childhood apraxia of speech that often persists into adulthood—helping families understand the biological basis of their child’s speech difficulties and reinforcing the need for early, intensive, motor‑based speech therapy tailored specifically to apraxia, not just general language support.