Attention-deficit/hyperactivity disorder (ADHD) is the most common neurodevelopmental condition of childhood. Identification of signals of emerging ADHD before the onset of symptoms is a necessary first step to intervening early and preventing associated impairments. The current study examined the relation between neonatal neurobehaviors infant temperament traits known to be associated with childhood ADHD. Neonates (43-49 weeks postmenstrual age; N = 78), half with increased likelihood of…