Object-carrying by rats: disruption by ventral mesencephalic lesions.
D000818:Animals; D001522:Behavior, Animal / Q000502:physiology*; D007031:Hypothalamus / Q000502:physiology; D008297:Male; D008636:Mesencephalon / Q000502:physiology*; D051381:Rats; D012653:Self Stimulation / Q000502:physiology; D013378:Substantia Nigra / Q000502:physiology