DextroamphetamineAmphetamineCentral Nervous System StimulantsAttention Deficit Disorder with HyperactivityColon, AscendingMethylphenidateAmphetaminesDouble-Blind MethodDose-Response Relationship, DrugAmphetamine-Related DisordersMethamphetamineSubstance Abuse DetectionN-Methyl-3,4-methylenedioxyamphetamineDopamineStereotyped Behavior3,4-MethylenedioxyamphetamineNucleus AccumbensDopamine AgentsMotor ActivityBehavior, AnimalGas Chromatography-Mass SpectrometryDopamine Uptake InhibitorsStreet DrugsDesigner DrugsAppetite DepressantsCocaineDopamine Plasma Membrane Transport ProteinsRats, Sprague-DawleyCorpus Striatum