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, PervasiveIntelligenceTask Performance and AnalysisCase-Control StudiesChoice BehaviorBrainPsychomotor PerformancePsychomotor AgitationCommunications MediaAntisocial Personality DisorderEducation, SpecialDopamineAnxiety DisordersChild Behavior DisordersAmphetamineSubstance-Related DisordersTransvestismNorepinephrine Plasma Membrane Transport ProteinsWechsler ScalesReceptors, Dopamine D5Receptors, Dopamine D2Diseases in TwinsReinforcement (Psychology)PsychometricsQuestionnairesReceptors, CatecholamineMood DisordersIntelligence TestsMemory, Short-TermMagnetic Resonance ImagingPersonality AssessmentPrevalenceMinisatellite RepeatsBehavior, AnimalSeverity of Illness IndexSteryl-SulfataseBehavior TherapyDyslexiaObsessive-Compulsive DisorderAnalysis of VarianceSelf ReportDopamine Uptake InhibitorsAnxiety, SeparationSegmental Duplications, GenomicChild of Impaired ParentsPrenatal Exposure Delayed EffectsBiogenic MonoaminesDevelopmental DisabilitiesInternal-External ControlMotor ActivityToken EconomyFacultyCatechol O-MethyltransferaseAmphetaminesLongitudinal StudiesGenetic Predisposition to DiseaseIchthyosis, X-LinkedTwinsInterview, PsychologicalDouble-Blind MethodPrefrontal CortexSiblingsSleep DisordersAge FactorsRisk Factors