Differentiate between mood disorders and specific emotions or feelings. Mood being an emotional state, less intense and without a specific emotion. Elevated, depressed, and bipolar disorder were listed as mood types.The possible causative agents of each was briefly discussed,as being a positive or negative mood. The connection of negative leading to mood problems in social relationships, depression, anxiety, aggression, and physiological stress was discussed. This will lead into the anatomy and physiology of the brain which is involved with these psychological affects, and the drugs used to treat them.