SYT1 and infantile hypotonia-oculomotor anomalies-hyperkinetic movements-developmental delay syndrome: Baker–Gordon syndrome (BAGOS—OMIM #618218) is an autosomal dominant neurodevelopmental disorder caused by SYT1 (OMIM ∗185605) mutations and characterized by developmental delay and intellectual disability, poor or absent speech, behavioral psychiatric manifestations, moderate to severe sleep disturbances, electroencephalogram (EEG) abnormalities, movement disorders, and abnormal eye physiology [1, 2].