Direct associations with ADHD are highlighted for genes such as FOXP2, SORCS3, FOXP1, DCC, CDH8, and a specific SNP (rs4916723), along with the cellular process of ‘Cell adhesion.’ Conversely, genes like ANO10, TEX41, and LOC105371305 indirectly implicate ADHD through their genetic variations. This evidence concerns the gene CDH8 and attention deficit-hyperactivity disorder.