Jump to ContentJump to Main Navigation
Measuring the Mind: Speed, control, and age$
Users without a subscription are not able to see the full content.

John Duncan, Louise Phillips, and Peter McLeod

Print publication date: 2005

Print ISBN-13: 9780198566427

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780198566427.001.0001

Show Summary Details
Page of

PRINTED FROM OXFORD SCHOLARSHIP ONLINE (www.oxfordscholarship.com). (c) Copyright Oxford University Press, 2019. All Rights Reserved. Under the terms of the licence agreement, an individual user may print out a PDF of a single chapter of a monograph in OSO for personal use (for details see www.oxfordscholarship.com/page/privacy-policy).date: 24 June 2019

Inconsistency in response time as an indicator of cognitive aging

Inconsistency in response time as an indicator of cognitive aging

(p.33) Chapter 2 Inconsistency in response time as an indicator of cognitive aging
Measuring the Mind: Speed, control, and age

David F. Hultsch

Michael A. Hunter

Stuart W. S. MacDonald

Esther Strauss

Oxford University Press

This chapter considers the proposition that intraindividual variability in speed of performance is a useful indicator of cognitive ageing. It reviews recent research that examines both group differences and longitudinal changes in performance inconsistency on reaction-time tasks. The chapter suggests that: (a) greater inconsistency in physical and cognitive performance is observed for older compared with younger adults; (b) greater inconsistency is observed for individuals with neurological disorders; (c) there are consistent and stable individual differences in inconsistency across tasks and time intervals, respectively; (d) there are cross-domain links between inconsistency on cognitive tasks and both level and variability of physical performance; (e) greater inconsistency is associated with poorer levels of performance on cognitive tasks and measures of intelligence; (f) greater inconsistency is associated with proximity to death; and (g) inconsistency increases with age. It concludes that measures of intraindividual variability may be plausible behavioural indicators of cognitive ageing.

Keywords:   ageing, reaction time, neurological disorders, cognitive tasks, intelligence, intraindividual variability

Oxford Scholarship Online requires a subscription or purchase to access the full text of books within the service. Public users can however freely search the site and view the abstracts and keywords for each book and chapter.

Please, subscribe or login to access full text content.

If you think you should have access to this title, please contact your librarian.

To troubleshoot, please check our FAQs , and if you can't find the answer there, please contact us .