Memory patterns in visual brain regions weakened with age
An observational study of 115 adults aged 25–87 found weaker visual memory patterns with older age, but stronger patterns elsewhere while people held information in mind.
Limit: Memory representations were inferred from brain activity patterns rather than measured directly
Edited by Boris Djordjevic · AgingResearch.News
In an observational study, 115 adults aged 25–87 from the Cambridge Centre for Ageing and Neuroscience cohort underwent brain scans while remembering motion directions. Researchers analyzed brain activity patterns to distinguish the directions people remembered.
The patterns were clearest in visual brain regions, where they weakened with age and with more information to remember. Statistical analysis linked weaker visual patterns to age-related performance decline, especially during recall. Yet this link weakened with age: some older adults had stronger visual patterns than their performance suggested. The authors suggested these adults might struggle to access partly preserved memories. In regions toward the front and top of the brain, memory patterns strengthened with age while people held information in mind. These patterns were associated with partly offsetting performance decline.
Why it matters
To address declining short-term visual memory in older adults, the authors suggested targeting compensatory brain patterns while information is held and access to visual memories during recall.
Caveats
The observational design cannot establish cause and effect or show that the proposed interventions would work. The report is a preprint and has not been peer-reviewed.
- Visual short-term memory performance
- Frontoparietal memory representations
- Visual memory representations
- Humans
The paper
University of Cambridge
bioRxiv, Oct 30, 2026, Open access, CC BY-NC-ND, Preprint, not peer-reviewed
