Attention Deficit Disorder with HyperactivityLearning DisordersMethylphenidateCentral Nervous System StimulantsPropylaminesDyslexiaAttention Deficit and Disruptive Behavior DisordersOrthomolecular TherapyReceptors, Dopamine D4Bender-Gestalt TestDyscalculiaAdrenergic Uptake InhibitorsAttentionImpulsive BehaviorConduct DisorderDextroamphetamineHyperkinesisPemolineDopamine Plasma Membrane Transport ProteinsDiagnostic and Statistical Manual of Mental DisordersNeuropsychological TestsInhibition (Psychology)Psychomotor DisordersChild BehaviorPsychiatric Status Rating ScalesComorbidityTourette SyndromeMental DisordersReaction TimeAutistic DisorderBipolar DisorderGuanfacineParentsTic DisordersCognitionImpulse Control DisordersAnxiety DisordersExecutive FunctionChild Development Disorders, PervasiveAchievementCognition DisordersParasomniasPsychomotor PerformanceBrainChild Behavior DisordersIntelligenceCase-Control StudiesMood DisordersTask Performance and AnalysisChoice BehaviorAntisocial Personality DisorderSubstance-Related DisordersEducation, SpecialDopaminePsychomotor AgitationCommunications MediaQuestionnairesReinforcement (Psychology)Wechsler ScalesBehavior, AnimalPrevalenceMagnetic Resonance ImagingAmphetaminePsychometricsObsessive-Compulsive DisorderAnalysis of VarianceChild WelfareNorepinephrine Plasma Membrane Transport ProteinsTransvestismMemory, Short-TermReceptors, Dopamine D2Intelligence TestsChild of Impaired ParentsDiseases in TwinsSeverity of Illness IndexReceptors, Dopamine D5Personality AssessmentReceptors, CatecholamineBehavior TherapyReversal LearningMinisatellite RepeatsSelf ReportSteryl-SulfatasePrenatal Exposure Delayed EffectsDopamine Uptake InhibitorsAnxiety, SeparationLongitudinal StudiesAge FactorsDevelopmental DisabilitiesSegmental Duplications, GenomicRisk FactorsBiogenic MonoaminesFacultySleep DisordersInternal-External ControlInterview, PsychologicalPrefrontal CortexGenetic Predisposition to DiseaseMotor ActivityDouble-Blind Method