Appetitive determinants of self-stimulation.
D000818:Animals; D001070:Appetitive Behavior / Q000502:physiology*; D001835:Body Weight; D004435:Eating; D005508:Food Deprivation; D008297:Male; D051381:Rats; D012653:Self Stimulation / Q000502:physiology*; D013378:Substantia Nigra / Q000502:physiology