title: Cognitive changes during normal aging in monkeys assessed with an automated test apparatus.
authors.affiliation: Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205.
authors.forename: M L
authors.initials: ML
authors.lastname: Voytko
mesh_terms: D000375:Aging / Q000523:psychology*; D000818:Animals; D003071:Cognition / Q000502:physiology*; D004193:Discrimination Learning / Q000502:physiology; D000882:Haplorhini / Q000502:physiology*; D012193:Reversal Learning