Background:
The mild cognitive impairment of old people, has now been recognized as the Early clinical dementia status,patients with MCI and early AD have many similarities,both of them are central nervous system lesions characterized by Progressive cognitive decline. Epidemiological survey shows,with the accelerated aging of the global population,mild cognitive impairment and the incidence of dementia showed a continually rising trend,the number of Global prevalence of dementia by 2030 will reach 65.7...