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The Aging Model Human Processor: Age-related Differences in the Speed of Elementary Operations

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0004
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

This chapter provides estimates for both younger and older adults for 15 elementary tasks/processes investigated in this chapter (fixation duration, flicker fusion threshold, gap detection threshold, ... More


Aging and Processing Speed: History, Methodology, and Outlook

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0001
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

This chapter examines the tools used in the remainder of the book: Brinley plots and state-traces, and discusses the potential pitfalls in this approach. It also gives an overview of past research ... More


Is Age-related Slowing Real? Investigating Threats to the Validity of Brinley Slopes

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0003
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

This chapter investigates potential threats to the validity of Brinley plotting. There is little evidence that speed-accuracy trade-offs play the major role in explaining age-related slowing. Fitting ... More


Toward a Sparse Ontology of Age Effects in Elementary Processes: The Dimensionality of the Aging Model Human Processor

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0005
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

Date from the previous chapter were fitted to different models of 1-15 dimensions; all model did reasonably well. A consensus model could be formulated as follows: (1). Spatial tasks yield larger ... More


Age-related Slowing and Its Relationship to Complex Abilities

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0009
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

Many models (common-cause model, and different meditational models) were fitted to meta-analytic data. A cascade model suggested that speed is a powerful mediator between age and executive control ... More


Age-related Differences in the Speed of Executive Control

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0006
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

The meta-analyses presented in this chapter lead to two empirical conclusions. First, at the level of absolute age differences—the level older adults deal with in their daily lives, and also the ... More


The Elements of Cognitive Aging: Conclusions

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0010
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

This chapter provides 15 conclusions, derived from the previous chapters. It looks in detail at subjects covered in this book such as age-related slowing, mediation, speed of processing, and mental ... More


Age-related Slowing in a Quasi-Random Sample of Studies

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0002
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

This chapter provides a first, broad-stroke treatment of the topic of age-related slowing. The chapter reports a meta-analysis on seven year’s worth of data culled from the three top journals in the ... More


Lifespan Trajectories

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0007
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

Lifespan data were well described by accelerated curvilinear models; these models were U-shaped over the entire lifespan, and showed accelerated decline when only the adult portion of the lifespan is ... More


The Role of Generational Differences

Paul Verhaeghen

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

Published in print:
2013
Published Online:
April 2014
ISBN:
9780195368697
eISBN:
9780199369171
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195368697.003.0008
Subject:
Psychology, Cognitive Psychology, Cognitive Neuroscience

When examining time-lag studies, that is, studies where subjects of similar age are compared across different time points, a steady increase in processing speed over cohorts or generations, were ... More


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