Prodromal SymptomsAffective SymptomsSchizotypal Personality DisorderPsychiatric Status Rating ScalesPsychotic DisordersSchizophreniaBipolar DisorderSyncope, VasovagalDepressionAnxietyTilt-Table TestSchizophrenic PsychologyDeath, SuddenRecurrenceRisk FactorsAffective Disorders, PsychoticSeasonal Affective DisorderAffectTime FactorsMood DisordersEmotionsSymptom AssessmentQuestionnairesDepressive DisorderSeverity of Illness IndexBehavioral SymptomsFacial ExpressionTreatment OutcomeMagnetic Resonance ImagingStress, PsychologicalPainFollow-Up StudiesArousalNeuropsychological TestsQuality of LifePrevalence