A Theory of Cognitive Aging
Over a half-century of research has documented the fact that people of different ages perform at different levels on a variety of tests of cognitive functioning, and yet there are still no comprehensive theories to account for these phenomena.
A Theory of Cognitive Aging is intended to begin intellectual discussion in this area by identifying major issues of controversy, and proposing a particular theoretical interpretation based on the notion that the rate of processing information slows down with increased age. Although still quite preliminary, the theoretical perspective is demonstrated to provide a plausible account for age-related differences in functioning on measures of memory, spatial ability and reasoning.
The book has four aims:
- To advocate a more explicitly theoretical approach to research in the area of cognitive aging.
- To outline three important dimensions along which it is argued that any theory of cognitive aging phenomena must take a position.
- To evaluate empirical evidence relevant to specific positions along those dimensions.
- To summarize the major concepts of the current theory, and to describe its application to selected findings in the research literature.
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Chapter 4 The InformationProcessing Framework
Chapter 5 Experience and Expertise
Chapter 6 General Methodological Issues
Chapter 7 Requirements of a Cognitive Aging Theory
Chapter 8 The Speed Factor in Cognition
Chapter 9 The Speed Factor in Cognitive Aging
ability activities age differences age effects age groups age-related slowing Aging Research American Psychological Association amount Arenberg aspects associated Baltes behavior Birren Botwinick Chapter cognitive aging cognitive functioning Cognitive Psychology concepts correlations dependent variable determinants developmental Developmental Psychology differences in cognition digit symbol effects of aging efficiency environmental evidence experience experimental Figure Fluid Intelligence Fozard Hillsdale hypothesis increased age individual differences information processing information-processing intelligence interpretation interstimulus interval investigation involved Journal of Gerontology magnitude manipulations mechanisms memory mental mental rotation old adults older adults operations passive processing pattern perspective phenomena phenomenon possible predictions problem procedure processing rate theory processing resources Psychology psychometric Rabbitt rate of processing reasonable relevant responsible Salthouse samples Schaie score sequence short-term memory signal-to-noise ratio simulation skill slope slower specific speed measures statistical power stimulus strategy studies suggested tachistoscopic theoretical variations Verbal Welford young adults young and old