Attention Deficit Disorder with HyperactivityAllylglycineMethylphenidateLearning DisordersCentral Nervous System StimulantsMental DisordersAnxiety DisordersAttentionAnxietyDepressive DisorderDepressionStress, PsychologicalQuestionnairesHyperkinesisPrevalenceAttention Deficit and Disruptive Behavior DisordersBipolar DisorderPropylaminesRisk FactorsDiagnostic and Statistical Manual of Mental DisordersMood DisordersConduct DisorderNeuropsychological TestsReceptors, Dopamine D4Impulsive BehaviorAutistic DisorderAdrenergic Uptake InhibitorsPsychiatric Status Rating ScalesCognition DisordersDextroamphetamine