Related Experiment Video
Updated: Aug 8, 2026
12:18
A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
Published on: January 11, 2020
Identification and phenotypic profiling of subgroups with distinct cognitive aging trajectories
Lydia M Federmann1,2, Christian Mychajliw3,4, Ulrike Sünkel4,5
1Hertie Institute for AI in Brain Health, University of Tübingen, Tübingen, Germany. lydia-marie.federmann@uni-tuebingen.de.
Geroscience
|August 7, 2026
Summary
Healthy cognitive aging is linked to physical activity, cognitive stimulation, and plant-based diets. These factors differentiate individuals with stable cognitive function from those experiencing decline, highlighting modifiable characteristics for promoting brain health in older adults.
Area of Science:
- Gerontology
- Neuroscience
- Public Health
Background:
- Cognitive aging varies significantly among individuals due to genetics, environment, and health.
- Understanding the determinants of distinct cognitive aging trajectories is crucial for targeted interventions.
Purpose of the Study:
- To identify distinct subgroups of cognitive aging trajectories in older adults.
- To uncover factors associated with these divergent cognitive aging paths.
Main Methods:
- Clustering of 696 dementia-free individuals from the TREND study based on 13-year longitudinal cognitive testing.
- Comparison of phenotypic differences (physical health, motor function, lifestyle, diet, genetics) between identified cognitive aging subgroups.
Main Results:
- Individuals maintaining high cognitive function exhibited faster gait speed, better quality of life, more frequent physical and cognitive activities, and higher plant-based food intake compared to those with decline.
- Higher plant-based food intake was a distinguishing factor for the best-performing cognitive aging subgroup.
Conclusions:
- Distinct, data-driven subgroups of cognitive aging trajectories exist.
- Favorable cognitive aging trajectories are associated with modifiable behavioral and health-related factors.
- Findings support multidisciplinary strategies for promoting healthy cognitive aging.
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