Children With 7q11.23 Duplication Syndrome: Speech, Language, Cognitive, and Behavioral Characteristics and Their Implications for Intervention

Abstract

7q11.23 duplication syndrome is a recently-documented genetic disorder associated with severe speech delay, language delay, a characteristic facies, hypotonia, developmental delay, and social anxiety. Developmentally appropriate nonverbal pragmatic abilities are demonstrated in socially comfortable situations. Motor speech disorder (Childhood Apraxia of Speech and/or dysarthria), oral apraxia, and/or phonological disorder or symptoms of these disorders are common as are characteristics consistent with expressive language disorder. Intensive speech/language therapy is critical for maximizing long-term outcomes.

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