TicsAttention Deficit Disorder with HyperactivityTourette SyndromeMethylphenidateCentral Nervous System StimulantsPropylaminesObsessive-Compulsive DisorderAttention Deficit and Disruptive Behavior DisordersConduct DisorderPeasNeuropsychological TestsDiagnostic and Statistical Manual of Mental DisordersAdrenergic Uptake InhibitorsInhibition (Psychology)ComorbidityPsychiatric Status Rating ScalesChloroplastsReceptors, Dopamine D4Impulsive BehaviorTrigeminal NeuralgiaDextroamphetamineDopamine Plasma Membrane Transport ProteinsObsessive BehaviorDexmethylphenidateTic DisordersExecutive FunctionCompulsive BehaviorParentsSeverity of Illness IndexAttentionChloroplast ProteinsBasal GangliaNeurofeedbackPersonality AssessmentChild BehaviorReaction TimeNeoplastic Stem CellsHabitsWechsler ScalesHyperkinesisGuanfacineBehavior TherapyDyslexiaSiblingsPemoline