title: Plasma corticosterone increases produced by extinction of operant behavior in rats.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D003216:Conditioning, Operant; D003345:Corticosterone / Q000097:blood*; D005108:Extinction, Psychological; D005247:Feeding Behavior; D008297:Male; D010913:Pituitary-Adrenal System; D051381:Rats; D011919:Rats, Inbred Strains; D012055:Reinforcement Schedule
chemical_list: D003345:Corticosterone