Attention Deficit Disorder with HyperactivityMethylphenidateCentral Nervous System StimulantsPropylaminesAttention Deficit and Disruptive Behavior DisordersReceptors, Dopamine D4Adrenergic Uptake InhibitorsImpulsive BehaviorAttentionConduct DisorderDextroamphetaminePemolineHyperkinesisDopamine Plasma Membrane Transport ProteinsNeuropsychological TestsInhibition (Psychology)Diagnostic and Statistical Manual of Mental DisordersPsychiatric Status Rating ScalesComorbidityTourette SyndromeChild BehaviorLearning DisordersReaction TimeGuanfacineMental DisordersAutistic DisorderParentsTic DisordersImpulse Control DisordersExecutive FunctionCognitionParasomniasAchievementBipolar DisorderCognition DisordersChild Development Disorders, PervasiveIntelligenceCase-Control StudiesTask Performance and AnalysisBrainPsychomotor AgitationChoice BehaviorPsychomotor PerformanceAnxiety DisordersCommunications MediaAntisocial Personality DisorderEducation, SpecialDopamineChild Behavior DisordersSubstance-Related DisordersQuestionnairesAmphetamineTransvestismNorepinephrine Plasma Membrane Transport ProteinsWechsler ScalesPsychometricsReceptors, Dopamine D2Receptors, Dopamine D5Diseases in TwinsSeverity of Illness IndexPrevalenceMood DisordersReinforcement (Psychology)Magnetic Resonance ImagingReceptors, CatecholamineIntelligence TestsPersonality AssessmentMemory, Short-TermMinisatellite RepeatsBehavior, AnimalObsessive-Compulsive DisorderBehavior TherapySelf ReportAnalysis of VarianceSteryl-SulfataseDyslexiaAnxiety, SeparationDopamine Uptake InhibitorsChild of Impaired ParentsSegmental Duplications, GenomicPrenatal Exposure Delayed EffectsBiogenic MonoaminesDevelopmental DisabilitiesLongitudinal StudiesInternal-External ControlMotor ActivityFacultyInterview, PsychologicalToken EconomyGenetic Predisposition to DiseaseCatechol O-MethyltransferaseAmphetaminesRisk FactorsIchthyosis, X-LinkedTwinsSleep DisordersPrefrontal CortexAge FactorsDouble-Blind MethodSiblings