title: Changing complexity in aging: a metric not an hypothesis.
authors.affiliation: Department of Gerontology, University of Newcastle upon Tyne, Institute for Ageing and Health, Newcastle General Hospital, NE4 6BE, Newcastle upon Tyne, United Kingdom. tom.kirkwood@ncl.ac.uk
authors.forename: Thomas B L
authors.initials: TB
authors.lastname: Kirkwood
mesh_terms: D000368:Aged; D000375:Aging / Q000502:physiology* / Q000523:psychology*; D006801:Humans; D008959:Models, Neurological; D009424:Nervous System Physiological Phenomena