title: Nonagenarians challenge predictions of cognitive decline.
authors.affiliation: Department of Geriatrics, Radboud University Nijmegen Medical Centre, Nijmegen 6500 HB, Netherlands. Electronic address: m.olde-rikkert@ger.umcn.nl.
authors.forename: Marcel Gm Olde
authors.initials: MG
authors.lastname: Rikkert
authors.forename: René
authors.initials: R
authors.lastname: Melis
mesh_terms: D000369:Aged, 80 and over / Q000502:physiology*; D003071:Cognition / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009043:Motor Activity / Q000502:physiology*