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Updated: Jan 8, 2026
10:13
Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
Published on: February 14, 2014
14.1K
Profiles of Aging Based on Cognition, Affect, and Brain Reserve
Biorxiv : the Preprint Server for Biology
|December 22, 2025
Summary
Aging shows improved emotional well-being despite cognitive decline. This study identified distinct aging profiles, revealing varied cognitive and mental health trajectories in older adults, crucial for targeted interventions.
Area of Science:
- Gerontology
- Neuroscience
- Psychology
Background:
- The aging paradox notes improved emotional well-being with age, contrasting with cognitive decline.
- Late-life depression is linked to accelerated cognitive decline, presenting a complex picture of aging.
- Existing models of cognitive, affective, and brain reserve inform our understanding of aging trajectories.
Purpose of the Study:
- To investigate the seemingly contradictory patterns of cognitive and mental health in aging.
- To develop and validate algorithmic approaches for profiling aging based on UK Biobank data.
- To identify distinct aging profiles and their associated health characteristics.
Main Methods:
- Utilized data from N=22,686 UK Biobank participants.
- Developed three alternative algorithmic approaches to profile aging.
- Employed a data-driven brain reserve model incorporating cognition, neuroticism, and brain volume.
Main Results:
- The brain reserve model yielded the most validated aging profiles.
- Only two of four identified profiles exhibited the aging paradox (improved emotion, declined cognition).
- Profiles varied, including one with low neuroticism and cognitive resilience, another with preserved brain volume, and two with poorer health, including cardiovascular risk.
Conclusions:
- Findings enrich the understanding of the aging paradox by revealing nuanced aging profiles.
- A stratified approach to studying aging is valuable for identifying diverse health trajectories.
- Future aging profiles can guide preventative strategies to enhance lifespan and healthspan.
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