title: Evidence for existence of two opposite noradrenergic brain systems controlling behavior.
mesh_terms: D000818:Animals; D001058:Apomorphine / Q000494:pharmacology; D001522:Behavior, Animal / Q000502:physiology*; D001921:Brain / Q000502:physiology*; D008125:Locus Coeruleus / Q000502:physiology; D008297:Male; D009638:Norepinephrine / Q000502:physiology*; D051381:Rats; D013997:Time Factors
chemical_list: D001058:Apomorphine; D009638:Norepinephrine