title: The reward system of the brain.
mesh_terms: D000818:Animals; D001921:Brain / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D007858:Learning / Q000502:physiology*; D008474:Medial Forebrain Bundle / Q000502:physiology; D008568:Memory / Q000502:physiology*; D009434:Neural Pathways / Q000033:anatomy & histology / Q000502:physiology*; D018377:Neurotransmitter Agents / Q000502:physiology; D011619:Psychotropic Drugs / Q000494:pharmacology; D051381:Rats; D012453:Saimiri; D012653:Self Stimulation; D009435:Synaptic Transmission / Q000187:drug effects
chemical_list: D018377:Neurotransmitter Agents; D011619:Psychotropic Drugs