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Updated: Jun 24, 2026
04:30
An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
Published on: October 25, 2019
Verbal learning changes in older adults across 18 months
Daniel Zimprich1, Philippe Rast
1Department of Psychology, University of Zurich, Zurich, Switzerland. d.zimprich@psychologie.uzh.ch
Summary
Older adults show stable individual differences in verbal learning over 18 months. Changes in learning capacity are constrained, with increased learning taking longer.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Gerontology
Background:
- Individual differences in verbal learning are understudied, especially changes over time.
- Understanding these changes is crucial for cognitive aging research.
Purpose of the Study:
- To investigate individual changes in verbal learning over 18 months in older adults.
- To analyze individual differences in the rate and extent of verbal learning changes.
Main Methods:
- Utilized data from the Zurich Longitudinal Study on Cognitive Aging (ZULU).
- Employed a latent change model with structured latent growth curves.
- Modeled individual learning trajectories using a hyperbolic function with parameters for initial performance, learning rate, and asymptotic performance.
Main Results:
- Average initial performance increased, but learning rate and asymptotic performance remained stable.
- Individual differences and their relationships in learning parameters were stable over time.
- Significant individual differences were found in changes to initial and asymptotic performance.
- Changes in asymptotic performance and learning rate were negatively correlated, suggesting a trade-off.
Conclusions:
- Verbal learning changes in older age represent a constrained process.
- Increased learning capacity may require more time, indicating a trade-off.
- Highlights the importance of individual differences in the dynamics of verbal learning in the elderly.
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