NeurochemistryBrain ChemistryResearchDopamineCholine O-AcetyltransferaseCreatineBehavior, AnimalBrainMicrodialysisSerotonin3,4-Dihydroxyphenylacetic AcidAspartic AcidMagnetic Resonance SpectroscopyMethamphetamineTyrosine 3-MonooxygenaseNeurotransmitter AgentsMotor ActivityCorpus StriatumResearch Support as TopicGlutamic AcidResearch DesignEthics, ResearchSchizophreniagamma-Aminobutyric AcidResearch PersonnelRats, Sprague-DawleyNeuronsNursing ResearchHippocampusAging