Depression as a function of levels of desired and obtained pleasure.
D000328:Adult; D001521:Behavior Therapy; D003863:Depression / Q000175:diagnosis* / Q000628:therapy; D005260:Female; D006240:Happiness; D006801:Humans; D008950:MMPI; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis; D010552:Personality Assessment; D012054:Reinforcement, Psychology; D013997:Time Factors