title: The central basis of motivation: intracranial self-stimulation studies.
mesh_terms: D000818:Animals; D001921:Brain / Q000502:physiology*; D002395:Catecholamines / Q000502:physiology; D004298:Dopamine / Q000502:physiology; D004723:Endorphins / Q000502:physiology; D005108:Extinction, Psychological / Q000502:physiology; D006801:Humans; D008474:Medial Forebrain Bundle / Q000033:anatomy & histology / Q000502:physiology; D009042:Motivation / Q000187:drug effects / Q000502:physiology*; D009474:Neurons / Q000502:physiology; D009638:Norepinephrine / Q000502:physiology; D012054:Reinforcement, Psychology; D012201:Reward; D012653:Self Stimulation / Q000502:physiology*
chemical_list: D002395:Catecholamines; D004723:Endorphins; D004298:Dopamine; D009638:Norepinephrine