They also report on four gain CNVs that are present in the DECIPHER database: a 302 Kb duplication (DECIPHER 277835) including the full copy of the ARX locus, detected in a male patient with moderate ID; a 2.3 Mb duplication (DECIPHER 268043), identified in a male patient with ID; a 717 Kb duplication (DECIPHER 250183), detected in a male patient with ID and behavioral abnormality; and a 580 Kb duplication (DECIPHER 265145), found in a male patient with autism and delayed speech and language development (Table 1). This evidence concerns the gene ARX and autism.