.Publisheru00e2 $ s note Springer Attribute continues to be neutral with regard to managerial insurance claims in published maps as well as institutional affiliations.This is a summary of: Moguilner, S. et cetera. Mind clocks record diversity as well as variations in growing old as well as dementia across geographically unique populaces. Nat. Med. https://doi.org/10.1038/s41591-024-03209-x (2024 ).