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Gender differences in level and change in cognitive functioning. Results from the Longitudinal Aging Study Amsterdam
Marja J Aartsen1, Mike Martin, Daniel Zimprich
1Department of Sociology and Social Gerontology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands. mj.aartsen.emgo@med.vu.nl
Gerontology
|December 5, 2003
Summary
This study found no gender differences in the rate of cognitive decline over six years, despite women showing higher memory functioning at baseline. Cognitive abilities like speed and non-verbal reasoning remained stable across genders over time.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Gerontology
Background:
- Gender differences in cognitive functioning levels are well-documented.
- Limited research exists on gender disparities in the rate of cognitive decline.
Purpose of the Study:
- To examine baseline differences in four cognitive abilities between men and women.
- To assess gender-specific variability in cognitive change over a six-year period.
Main Methods:
- Utilized latent change models to analyze data from 1132 men and 1175 women.
- Tracked cognitive functioning over a six-year period with 3-year measurement intervals.
- Included 1552 participants who completed all study waves.
Main Results:
- Women demonstrated higher baseline memory functioning compared to men.
- No significant gender differences were observed in the rate of change for memory, speed, or non-verbal reasoning.
- Cognitive abilities showed variability within genders but not between them in terms of decline.
Conclusions:
- Despite evidence of greater age-related brain atrophy in men, cognitive decline rates did not differ by gender.
- The study suggests that cognitive function trajectories are similar for men and women over time.
- Further research may explore underlying biological or lifestyle factors influencing cognitive aging.