title: Role of the monoamines on positive and negative reinforcing systems of the brain.
mesh_terms: D000547:Amantadine / Q000008:administration & dosage / Q000494:pharmacology*; D000818:Animals; D001142:Aromatic-L-Amino-Acid Decarboxylases / Q000494:pharmacology*; D001522:Behavior, Animal / Q000187:drug effects; D002415:Cats; D004296:Dopa Decarboxylase / Q000008:administration & dosage / Q000494:pharmacology*; D004558:Electric Stimulation; D004924:Escape Reaction / Q000187:drug effects*; D007031:Hypothalamus / Q000187:drug effects* / Q000378:metabolism; D011678:Punishment; D051381:Rats; D014364:Tryptophan / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D014364:Tryptophan; D000547:Amantadine; D004296:Dopa Decarboxylase; D001142:Aromatic-L-Amino-Acid Decarboxylases