Learning and performance in the runway as a function of the shift in drive and incentive.
D000818:Animals; D001522:Behavior, Animal; D004328:Drive; D006184:Habits; D006801:Humans; D006815:Hunger; D007858:Learning; D008297:Male; D009042:Motivation; D051381:Rats; D012054:Reinforcement, Psychology; D012201:Reward