Attention Deficit Disorder with HyperactivityMethylphenidateCentral Nervous System StimulantsPropylaminesAttentionAttention Deficit and Disruptive Behavior DisordersReceptors, Dopamine D4HyperkinesisImpulsive BehaviorAdrenergic Uptake InhibitorsDextroamphetamineConduct DisorderPemolineDopamine Plasma Membrane Transport ProteinsNeuropsychological TestsInhibition (Psychology)Learning DisordersDiagnostic and Statistical Manual of Mental DisordersTourette SyndromeReaction TimeChild BehaviorPsychiatric Status Rating ScalesComorbidityGuanfacineCognitionAutistic DisorderParentsExecutive FunctionImpulse Control DisordersCognition DisordersParasomniasAchievementPsychomotor PerformancePsychomotor AgitationMental DisordersTask Performance and AnalysisIntelligenceBrainDopamineChoice BehaviorTic DisordersEducation, SpecialCase-Control StudiesCommunications MediaAmphetamineBehavior, AnimalChild Development Disorders, PervasiveChild Behavior DisordersAntisocial Personality DisorderReceptors, Dopamine D2Memory, Short-TermTransvestismWechsler ScalesMagnetic Resonance ImagingAnalysis of VarianceReinforcement (Psychology)Receptors, Dopamine D5Intelligence TestsAnxiety, SeparationNorepinephrine Plasma Membrane Transport ProteinsReceptors, CatecholamineMotor ActivityPsychometricsDiseases in TwinsQuestionnairesSteryl-SulfataseDopamine Uptake InhibitorsMinisatellite RepeatsDyslexiaPrevalenceBehavior TherapyPrenatal Exposure Delayed EffectsSelf ReportSubstance-Related DisordersSeverity of Illness IndexBipolar DisorderBiogenic MonoaminesDevelopmental DisabilitiesSegmental Duplications, GenomicPersonality AssessmentPrefrontal CortexAnxiety DisordersObsessive-Compulsive DisorderChild of Impaired ParentsToken EconomyFacultyAmphetaminesIchthyosis, X-LinkedExploratory BehaviorBehaviorCatechol O-MethyltransferaseInternal-External ControlLongitudinal StudiesTwinsAge FactorsNootropic AgentsGenetic Predisposition to DiseaseElectroencephalographyDouble-Blind MethodBrain Mapping