Reinforcement frequency and body weight as determinants of motivated performance in hypothalamic hyperphagic rats.
D000818:Animals; D001522:Behavior, Animal; D001835:Body Weight; D003216:Conditioning, Operant; D004435:Eating; D004644:Emotions; D005247:Feeding Behavior; D005260:Female; D005508:Food Deprivation; D006815:Hunger; D007031:Hypothalamus / Q000502:physiology*; D009042:Motivation; D009765:Obesity / Q000209:etiology; D051381:Rats; D011919:Rats, Inbred Strains; D012055:Reinforcement Schedule