Affective SymptomsBipolar DisorderPsychiatric Status Rating ScalesDepressionPsychotic DisordersAnxietySchizophreniaAffective Disorders, PsychoticSeasonal Affective DisorderAffectMood DisordersEmotionsFacial ExpressionDepressive DisorderQuestionnairesArousalSchizophrenic PsychologyMagnetic Resonance ImagingSymptom AssessmentSeverity of Illness IndexAmygdalaNeuropsychological TestsStress, Psychological