EmotionsHappinessExpressed EmotionAffectLaughterLoveResilience, PsychologicalPersonal SatisfactionFacial ExpressionAdaptation, PsychologicalModels, PsychologicalPersonality InventoryPsychological TheorySouthwestern United StatesInterpersonal RelationsDepressionStress, PsychologicalSelf ConceptMagnetic Resonance ImagingSelf ReportBipolar DisorderSocial SupportQuestionnairesEmotional IntelligenceAngerRecovery of FunctionQuality of LifeKiller Cells, NaturalActivities of Daily LivingEmpathySocial PerceptionAffective SymptomsRecognition (Psychology)Severity of Illness IndexHeart RateAmygdalaFollow-Up StudiesArousalBrain MappingStrokeSocial Control, InformalFearPhotic Stimulation