Morale and motivation.
D000368:Aged; D003913:Dextroamphetamine / Q000494:pharmacology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis; D008774:Methylphenidate / Q000494:pharmacology; D009013:Morale; D009042:Motivation / Q000187:drug effects; D010389:Pemoline / Q000494:pharmacology; D012046:Rehabilitation
D008774:Methylphenidate; D010389:Pemoline; D003913:Dextroamphetamine