Previous Chapter Chapter 4: Population Processes and Cognitive Aging Next Chapter

Duane F. Alwin, Ryan J. McCammon, Linda A. Wray & Willard L. Rodgers

In: Handbook of Cognitive Aging: Interdisciplinary Perspectives

Chapter 4: Population Processes and Cognitive Aging

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Population Processes and Cognitive Aging
Population processes and cognitive aging

This chapter argues that research on cognitive aging should be conducted on well-defined populations and that it is important to understand the role of population processes in producing age-related changes in cognitive function. Relying on a demographic perspective, we discuss several related issues that concern the nature of population processes. First, we discuss what it means to say that inferences about processes of cognitive aging should be applied to well-defined populations. Second, we consider the implications of population aging for understanding future population prevalence of low cognitive functioning (LCF). Given what is known about the demography of aging—increasing levels of population aging in the 21st century (United Nations, 2002)—the need to understand the population processes that ...

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