A Comparison of Symptom Profiles in Probands with 16p11. 2 Deletion and Duplication Syndromes: Repetitive Behavior and Psychosis Proneness

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This study found that children with a 16p11.2 duplication tend to show more repetitive behaviors and early signs of psychosis‑related traits than those with a 16p11.2 deletion, helping families and providers use behavior‑based screening to guide individualized mental health monitoring and support as children develop.