AnhedoniaPleasureAffectAffective SymptomsIrritable MoodSchizotypal Personality DisorderHappinessSchizoid Personality DisorderSchizophrenic PsychologyDepressionPhilosophyRewardDepressive Disorder, MajorPsychiatric Status Rating ScalesSchizophreniaSelf StimulationEmotionsExpressed EmotionMotivationFood PreferencesPsychometricsImmobility Response, TonicSocial BehaviorBipolar DisorderStress, PsychologicalDysthymic DisorderAntidepressive AgentsDepressive DisorderPsychotic DisordersSucroseMood DisordersBehavior, AnimalFacial ExpressionSubliminal StimulationSocial Behavior DisordersDepressive Disorder, Treatment-ResistantAnxietySubstance Withdrawal SyndromeSet (Psychology)Perceptual DistortionConnectomeExploratory Behavior