Compulsive BehaviorGamblingObsessive-Compulsive DisorderBehavior, AddictiveImpulse Control DisordersCompulsive Personality DisorderImpulsive BehaviorObsessive BehaviorBehavior, AnimalObsessive HoardingRewardFeeding BehaviorChoice BehaviorPsychiatric Status Rating ScalesGroomingSocial BehaviorMotivationSubstance-Related DisordersInternal-External ControlTourette SyndromeHealth BehaviorStereotyped BehaviorCognitive TherapyBehaviorNevadaQuestionnairesAnalysis of VarianceImplosive TherapyExploratory BehaviorSelf AdministrationConditioning, OperantRisk-TakingClomipramineSexual BehaviorCuesCocaine-Related DisordersSexual Behavior, AnimalDrug-Seeking BehaviorAnxietyPersonality InventoryCocaineTrichotillomaniaChild BehaviorSeverity of Illness IndexComorbidityPsychometricsNeuropsychological TestsAdolescent BehaviorSerotonin Uptake InhibitorsMotor ActivitySocial Work, PsychiatricModels, PsychologicalAlcoholismChild Behavior DisordersMaternal BehaviorWater IntoxicationBehavior TherapyReinforcement (Psychology)DriveCodependency (Psychology)DepressionPunishmentSelf MutilationSocial EnvironmentAlcohol DrinkingFluvoxamineParoxetineTic DisordersPsychotherapy, GroupReaction TimeDopamineInternetBrainCross-Sectional StudiesArab WorldMagnetic Resonance ImagingSubstance Withdrawal SyndromeExtinction, PsychologicalAggressionDopamine Uptake InhibitorsCorpus StriatumNeurobiologyAgonistic BehaviorDiagnostic and Statistical Manual of Mental DisordersPrevalenceNesting BehaviorTime FactorsReinforcement ScheduleMental DisordersCase-Control StudiesSelf-Injurious BehaviorTreatment OutcomeNucleus AccumbensSocioeconomic FactorsManuals as TopicSex FactorsNaltrexoneBasal GangliaAnxiety DisordersLesch-Nyhan Syndrome