OLDEST OLD By N., Sam M.S. - 16 adults over 85 years old. This subset is the quickest developing group of the populace in several established countries. OLDEST OLD: "The current oldest-old generation is expanding at a quicker rate than any other age group due to advancing technology and medicine enabling humans to live longer lives." Related Psychology Terms A Comparison of Maternal and Paternal Filicide LEARNING ADDS CHILD PSYCHIATRY Piaget’s Theory of Cognitive Development DEVELOPMENTAL TASKS ANTISOCIAL REACTION SOCIAL NORM (Group Norms) FAMILY CARE COLOR REACTIONS MENTAL RETARDATION (CAUSES) Cite this page: N., Sam M.S., "OLDEST OLD," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/oldest-old/ (accessed August 13, 2022).