Northwestern Links 25 Years of SuperAger Memory to Stronger Social Connection
Updated
Updated · Silicon Canals · Aug 2
Northwestern Links 25 Years of SuperAger Memory to Stronger Social Connection
3 articles · Updated · Silicon Canals · Aug 2
Summary
A 2025 Northwestern retrospective found one trait repeatedly shared by “SuperAgers” — adults 80 and older with memory scores matching people in their 50s and 60s — was stronger social connection.
Over 25 years, diet, exercise and education varied widely across the group and did not reliably separate them from cognitively average peers, making social engagement the standout common factor.
Brain studies had already shown thicker cortical tissue, especially in the anterior cingulate cortex, in SuperAgers; a 2018 post-mortem study of 10 brains suggested Alzheimer’s pathology was not uniform within the group.
The researchers stress the finding is correlational, not proof that socializing preserves memory, because better cognition itself may make it easier to stay socially engaged.
The project’s takeaway is narrower than a formula: some people reach their 80s with decades-younger memory and brain features, but the mechanism remains unresolved.