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Stauss, David; Zigman, Warren B. – American Journal on Mental Retardation, 1996
Adults with mental retardation (n=22,740) were studied to investigate age-related changes in functioning and their relation to subsequent mortality. Individuals with Down syndrome, compared to non-Down syndrome individuals with mental retardation, were at earlier and higher risk for adaptive regression whether prevalence, incidence, or mortality…
Descriptors: Adaptive Behavior (of Disabled), Adults, Age, Aging (Individuals)