摘要：AbstractThe most common disorders of aging, depression, cognitive impairment(dementia),phobic disorder and alcohol use disorders are. Effect of aging on cognitive processes and metacognitive knowledge significantly affects the probability of failure increases One of the most common disorders associated with severe and progressive disability in old age, cognitive impairment (dementia) is. A 85-year life time risk for men and women out of every three people is probably about the same. Epidemiology studies show that about 5 percent of people 65 years and older to suffer obvious cognitive impairment. Dementia in the family as well as increas ed anxiety, depression and maintenance costs and time to be patient. The annual cost of dementia imposes on society is enormous. This study investigated the relationship between depression and cognitive impairment in Men with dementia is a disease. All women have a population of Tehran is a dementia disease of these, 20patients with dementia randomly chosen and tested method. Instrument: Questionnaire RUDAS: (THE ROWLAND UNIVERSAL DEMENTIA ASSESMET)by Roland & Associates was built in 2004. Depression questionnaire GDS: was built in 1986 by Sheikh or Savage. Is composed of 15 questions and the group under study into three groups with moderate depression (5 to 10), depression (10 to 15) and healthy subjects were divided into a basic form consists of 30 questions each mechanism is a response (yes and if) there. Findings and Conclusion: The findings showed that the correlation between depression and cognitive dysfunction in women with dementia versus -./50Significant at the level of ./001 Was there. Results are negative and significant relationship between depression and cognitive impairment shows that depression is through what is much more cognitive impairment And the cognitive tools used by any person to take better score less cognitive impairment and depression scores decreased.
