http://ije.oupjournals.org/cgi/content/abstract/30/2/256

Risk of dementia and Alzheimer's disease is higher among adults with limited education, and the less educated perform poorer on cognitive function tests. This study determines whether the socioeconomic environment experienced during childhood has an impact on cognitive functioning in middle age. Those from more disadvantaged backgrounds exhibited the poorest performance. (Sign-in/subscription is necessary for full-text)