Related Experiment Video
Updated: May 11, 2026
06:58
Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
Published on: January 24, 2020
Is age kinder to the initially more able?: Yes, and no
Alan J Gow1, Wendy Johnson, Gita Mishra
1Centre for Cognitive Ageing and Cognitive Epidemiology, Department of Psychology, University of Edinburgh, Edinburgh, EH8 9JZ, UK.
Intelligence
|May 22, 2013
Summary
Higher childhood cognitive ability did not predict cognitive aging in one cohort, but it did predict less cognitive decline in another. Further research is needed to clarify cognitive protection.
Area of Science:
- Psychology
- Gerontology
- Cognitive Science
Background:
- Inconsistent findings exist regarding the association between initial cognitive ability and age-related cognitive decline.
- Previous analyses have employed varying methodologies, necessitating further investigation with advanced statistical approaches.
Purpose of the Study:
- To investigate the relationship between early-life cognitive ability and cognitive change over time in two distinct aging cohorts.
- To apply latent growth curve modeling for a more robust analysis of cognitive trajectories.
Main Methods:
- Latent growth curve modeling was used to analyze longitudinal cognitive data from the Lothian Birth Cohort 1921 and the MRC National Survey of Health and Development.
- Cognitive ability at ages 11 and 15 was assessed and compared with cognitive changes in later life.
Main Results:
- In the Lothian Birth Cohort 1921, early cognitive ability (age 11) did not predict cognitive change (general ability, reasoning, memory, executive function) between ages 79 and 87.
- In the MRC National Survey of Health and Development, higher cognitive ability (age 15) predicted less cognitive decline (verbal memory, search speed) between ages 43 and 53.
Conclusions:
- The association between initial cognitive ability and cognitive aging appears cohort-dependent.
- Differences in cohorts and analytical methods may explain inconsistent results, highlighting the need for careful study design in cognitive aging research.
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