As the potential for gains rose, they found increased activity in the mesolimbic and mesocortical dopamine systems (dopamine is a neurotransmitter substance associated with motivation and reward).

• 他们发现，赢钱的可能性上升时，受试者的中脑边缘及皮质多巴胺系统的活性增强了（多巴胺是与动机及报偿有关的神经传递物）；