The Elements of Cognitive Aging: Meta-Analyses of Age-Related Differences in Processing Speed and Their Consequences

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Oxford University Press, 2013 - Medical - 362 pages
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The Elements of Cognitive Aging provides a qualitative overview (mostly using graphical meta-analysis) of the vast literature on aging and speeded tasks-bringing together, for the first time, almost everything we know about aging and processing speed. The book investigates age-related slowing in elementary tasks (including updated parameters for the Aging Human Information Processor) and tasks of executive control (inhibition, task shifting, and task coordination). It examines regularities in the age-related effects of these tasks that might hint at underlying brain-related mechanisms, while having a keen eye for alternative explanations (such as increased caution with age). It models the course of speed-of-processing over the lifespan and investigates the influence of generational differences on mental speed. Finally, it examines the influence of age-related mental slowing on other aspects of cognition (working memory, executive control episodic memory, aspects of fluid intelligence), and provides the first systematic review of age-speed-cognition mediation in a longitudinal context.
  

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Contents

History Methodology and Outlook
1
2 Agerelated Slowing in a QuasiRandom Sample of Studies
45
3 Is Agerelated Slowing Real? Investigating Threats to the Validity of Brinley Slopes
57
Agerelated Differences in the Speed of Elementary Operations
81
The Dimensionality of the Aging Model Human Processor
142
6 Agerelated Differences in the Speed of Executive Control
169
7 Lifespan Trajectories
211
8 The Role of Generational Differences
248
9 Agerelated Slowing and Its Relationship to Complex Abilities
261
Conclusions
300
References
311
Index
353
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About the author (2013)

Paul Verhaeghen is Associate Professor of Psychology at Syracuse University.

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