We will discontinue antipsychotics in one group of 12 patients and antidepressants in one group of 12 patients. Patients should have dementia of Alzheimer- or vascular origin. They should live in Nursing Homes and have no other psychiatric disease for which they receive psychotropic drug. They will be registered with 7 different questionnaires at baseline and after 3, 6, 12 and 24 weeks. The study period is 24 weeks. The questionnaires are filled in by the patients and the nurses at the nursing homes.