title: Induction (transfer) of an operant behaviour by injection of brain extract.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D001921:Brain; D003216:Conditioning, Operant; D007275:Injections, Intravenous; D008297:Male; D051381:Rats; D012054:Reinforcement, Psychology; D014020:Tissue Extracts / Q000008:administration & dosage*
chemical_list: D014020:Tissue Extracts