Reexamination of the role of the hypothalamus in motivation.
D000818:Animals; D001522:Behavior, Animal; D004327:Drinking Behavior; D004328:Drive; D004435:Eating; D004777:Environment; D006815:Hunger; D007031:Hypothalamus / Q000033:anatomy & histology / Q000502:physiology*; D009042:Motivation; D051381:Rats; D013894:Thirst