People can sense mental decline, says new research powered by smartwatches – Sun, 23 Aug 2026 PST

Older adults may be better judges of their moment-to-moment mental sharpness than scientists once assumed, according to a UC Davis study — which relied on familiar technology: the smartwatch. The study found that when an individual rated their mental sharpness below their own average, their performance on the objective cognitive tasks also tended to be lower. Published in the American ...