Behavioral SymptomsSuicideSelf-Injurious BehaviorSensory System AgentsAnalgesicsPeripheral Nervous System AgentsPhysiological Effects of DrugsAnesthetics, DissociativeAnesthetics, GeneralAnestheticsCentral Nervous System DepressantsExcitatory Amino Acid AntagonistsExcitatory Amino Acid AgentsNeurotransmitter AgentsMolecular Mechanisms of Pharmacological ActionKetamineDepression, UnipolarDepressive SymptomsTreatment Resistant DepressionMajor Depressive DisorderDepression, Bipolar