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Table 2 Phenotype, duplication, and EEG details of participants with paternal Dup15q syndrome. Participant 801-005 was a 13-year-old boy with paternal Dup15q syndrome. Participant 801-015 was an 8-year-old girl with paternal Dup15q syndrome. Both participants had interstitial duplications and were diagnosed with attention deficit hyperactivity disorder (ADHD). Neither participant had seizures or a diagnosis of ASD. However, 801-005 met criteria for ASD on the diagnostic observation schedule (ADOS) administered at the time of EEG (calibrated severity score = 7); this was likely due to working memory and attentional deficits related to ADHD [4]. Both participants had similar DQs, though 801-005, but not 801-015, had a DQ measured below the threshold for ID

From: Mechanisms underlying the EEG biomarker in Dup15q syndrome

ID Dup type Dup size Age Gender Seizures ASD ADHD Full DQ EEG
801-005 Interstitial 5.7 Mb 161 months M No No Yes 67 Research
801-015 Interstitial 5.0 Mb 96 months F No No Yes 77 Clinical