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Models of disability are analytic tools in disability studies used to articulate different ways disability is conceptualized by individuals and society broadly. [1] [2] Disability models are useful for understanding disagreements over disability policy, [2] teaching people about ableism, [3] providing disability-responsive health care, [3] and articulating the life experiences of disabled people.
Biomedical theories hold that one can age successfully by caring for physical health and minimizing loss in function, whereas psychosocial theories posit that capitalizing upon social and cognitive resources, such as a positive attitude or social support from neighbors, family, and friends, is key to aging successfully. [7]
Selectivity theory (aging) Socioemotional selectivity theory; Stage-crisis view; Stem cell theory of aging; Stereotype embodiment theory; T. Telomere theory of aging; V.
Social theories, or concepts, [163] propose explanations for the distinctive relationships between old people and their societies. One theory, proposed in 1961, is the disengagement theory, which proposes that, in old age, a mutual disengagement between people and their society occurs in anticipation of death. By becoming disengaged from work ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 February 2025. Biological process of getting older This article is about ageing specifically in humans. For the ageing of whole organisms including animals, see Senescence. For other uses, see Ageing (disambiguation). Part of a series on Human growth and development Stages Gamete Zygote Embryo Fetus ...
Gerontology (/ ˌ dʒ ɛr ən ˈ t ɒ l ə dʒ i / JERR-ən-TOL-ə-jee) is the study of the social, cultural, psychological, cognitive, and biological aspects of aging.The word was coined by Ilya Ilyich Mechnikov in 1903, from the Greek γέρων (gérōn), meaning "old man", and -λογία (), meaning "study of".
Disability studies is an academic discipline that examines the meaning, nature, and consequences of disability.Initially, the field focused on the division between "impairment" and "disability", where impairment was an impairment of an individual's mind or body, while disability was considered a social construct. [1]
The two theories; non-adaptive, and adaptive, are used to explain the evolution of senescence, which is the decline in reproduction with age. [8] The non-adaptive theory assumes that the evolutionary deterioration of human age occurs as a result of accumulation of deleterious mutations in the germline. [8]