CNTNAP2 and attention deficit-hyperactivity disorder: Other disorders associated with CNTNAP2 include schizophrenia (Lee et al., 2015), attention deficit hyperactivity disorder (ADHD) (Elia et al., 2010), Tourette syndrome (Verkerk et al., 2003), dyslexia (Veerappa et al., 2013), and major depression (Rodenas-Cuadrado et al., 2014).