title: Evoked potential changes during classical conditioning of morphine in the awake, freely behaving rat.
mesh_terms: D000161:Acoustic Stimulation; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D002540:Cerebral Cortex / Q000187:drug effects* / Q000502:physiology; D003214:Conditioning, Classical / Q000187:drug effects*; D004569:Electroencephalography; D005071:Evoked Potentials / Q000187:drug effects; D005108:Extinction, Psychological / Q000187:drug effects; D006185:Habituation, Psychophysiologic; D006801:Humans; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009021:Morphine Dependence / Q000503:physiopathology*; D051381:Rats
chemical_list: D009020:Morphine