AnhedoniaPleasureAffective SymptomsSchizotypal Personality DisorderHappinessAffectEmotionsSchizoid Personality DisorderPhilosophySchizophrenic PsychologyRewardDepressionIrritable MoodDepressive Disorder, MajorExpressed EmotionSchizophreniaMotivationPsychiatric Status Rating ScalesSelf StimulationFood PreferencesPsychometricsSocial BehaviorStress, PsychologicalImmobility Response, TonicQuestionnairesMood DisordersSucrosePsychotic DisordersFacial ExpressionSubliminal StimulationSocial IsolationDysthymic DisorderDepressive Disorder, Treatment-ResistantSocial Behavior DisordersAnxietyBehavior, AnimalSubstance Withdrawal SyndromeConnectome