Body weight, short-term satiation and the response to reward magnitude shifts.
D000818:Animals; D001522:Behavior, Animal; D001835:Body Weight; D004644:Emotions; D005247:Feeding Behavior; D005508:Food Deprivation; D051381:Rats; D012055:Reinforcement Schedule; D012201:Reward; D012527:Satiation; D013997:Time Factors