They made the volunteers play slot machines (or, rather, representations of slot machines depicted on a screen inside the scanner), on the understanding that the volunteers could keep part of the notional winnings from their gambles.
They made the volunteers play slot machines (or, rather, representations of slot machines depicted on a screen inside the scanner), on the understanding that the volunteers could keep part of the notional winnings from their gambles.
他们让志愿者们玩老虎机（其实，更确切地说是通过扫描仪中的屏幕显现出来的老虎机），假设她们从赌博中能够对抽象的获胜有所反应。