Central Nervous System DepressantsCentral Nervous SystemCentral Nervous System StimulantsCentral Nervous System DiseasesCentral Nervous System NeoplasmsNervous SystemBrainMyocardial Depressant FactorCentral Nervous System InfectionsPeripheral Nervous SystemNeuronsDepression, ChemicalCentral Nervous System Viral DiseasesSpinal CordVasculitis, Central Nervous SystemCentral Nervous System AgentsMeprobamatePentobarbitalMethylphenidateAmphetamine-Related DisordersCentral Nervous System Fungal InfectionsEnteric Nervous SystemDose-Response Relationship, DrugSympathetic Nervous SystemMethamphetamineNervous System Physiological PhenomenaAutonomic Nervous SystemNervous System DiseasesNeurogliaRats, Sprague-DawleyCentral Nervous System Bacterial InfectionsHypnotics and SedativesBarbituratesMyelin SheathBlood-Brain BarrierTime FactorsAmphetaminesNerve Tissue ProteinsAstrocytesAmphetamineMotor ActivityTuberculosis, Central Nervous SystemAttention Deficit Disorder with HyperactivityNervous System NeoplasmsMolecular Sequence DataDemyelinating DiseasesCatsEncephalomyelitis, Autoimmune, ExperimentalAxonsOligodendrogliaDextroamphetamineBrain DiseasesBemegrideScorpion VenomsImmunohistochemistryMice, Inbred C57BLEnfluraneAnestheticsCerebrospinal FluidBehavior, AnimalGene Expression Regulation, DevelopmentalIn Situ HybridizationMultiple SclerosisMetergolineBrain NeoplasmsDesipramineSubstance-Related DisordersCerebral CortexEncephalomyelitisAmino Acid SequenceBrain ChemistrySynaptic TransmissionMicrogliaCells, CulturedDrug InteractionsNorepinephrineSerotoninMorphineEncephalitisRespirationSeizuresEncephalitis, ViralBrain StemHeart RateAdrenergic AgentsElectric StimulationMeningoencephalitisIontophoresisDisease Models, AnimalEthanolHalothaneDopamineHippocampusChlorpromazineRNA, MessengerGuinea PigsRats, WistarAminobutyratesTrauma, Nervous SystemMice, Knockout