Lisa F. Berkman, a professor at the Harvard School of Public Health, finished a study and found that,
“[The subjects] with the highest level of social integration had less than half the decline in their cognitive function of the least socially active subjects. Also, the cognitive protective effects of socializing were greatest among subjects with fewer than 12 years of education”(7).
The quote shows that when people have significant decrease in cognitive function, they tend to not be as social as people who are more socially