Gambling proneness in rats during the transition from adolescence to young adulthood: A home-cage method

► Gambling is becoming a serious behavioural problem among human adolescents. ► Feasibility of home-cage Probabilistic Delivery task was explored in developing rats. ► A number of methodological refinements are essential for adolescents' testing. ► Gambling proneness appears increased in adolescent compared to adult rats. ► Adolescent rats seem to be insensitive to reward-delivery omission.