CHRNA7 and Timothy syndrome: CHRNA7 duplications have been associated with a large spectrum of neurodevelopmental disorders, including ID/DD, language development disorders, ASD, mood disorders, attention deficit hyperactivity disorder (ADHD), childhood-onset schizophrenia (COS), Tourette syndrome (TS), obsessive compulsive disorder, and epilepsy [5,9,14,15,16,17,18,19,20,21].