Attention Deficit Disorder with HyperactivityMethylphenidateImpulsive BehaviorCentral Nervous System StimulantsPropylaminesAttention Deficit and Disruptive Behavior DisordersReceptors, Dopamine D4AttentionHyperkinesisAdrenergic Uptake InhibitorsConduct DisorderDextroamphetaminePemolineDopamine Plasma Membrane Transport ProteinsNeuropsychological TestsImpulse Control DisordersPsychiatric Status Rating ScalesInhibition (Psychology)Diagnostic and Statistical Manual of Mental DisordersChild BehaviorComorbidityTourette SyndromeReaction TimeLearning DisordersGuanfacineBipolar DisorderParentsAutistic DisorderMental DisordersTic DisordersExecutive FunctionCognitionBrainAchievementParasomniasSubstance-Related DisordersChild Development Disorders, PervasiveChild Behavior DisordersQuestionnairesPsychomotor AgitationPsychometricsCognition DisordersIntelligenceCase-Control StudiesTask Performance and AnalysisPsychomotor PerformanceMagnetic Resonance ImagingChoice BehaviorDopamineEducation, SpecialAntisocial Personality DisorderAmphetamineAnxiety DisordersCommunications MediaWechsler ScalesNorepinephrine Plasma Membrane Transport ProteinsReceptors, Dopamine D2Child WelfareTransvestismDiseases in TwinsReceptors, Dopamine D5PrevalencePersonality AssessmentIntelligence TestsBehavior, AnimalChild of Impaired ParentsReinforcement (Psychology)Severity of Illness IndexMemory, Short-TermMood DisordersReceptors, CatecholaminePersonality InventoryAnalysis of VarianceRewardBehavior TherapyMinisatellite RepeatsMotor ActivityDyslexiaObsessive-Compulsive DisorderSteryl-SulfataseSelf ReportDopamine Uptake InhibitorsAnxiety, SeparationPrenatal Exposure Delayed EffectsDevelopmental DisabilitiesLongitudinal StudiesBiogenic MonoaminesSegmental Duplications, GenomicInternal-External ControlAge FactorsFacultyAmphetaminesDouble-Blind MethodRisk FactorsPrefrontal CortexGenetic Predisposition to DiseaseInterview, PsychologicalToken EconomySiblingsTwins