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Can intelligent virtual assistants improve cognitive function in older adults? A two-wave mediation study
Tianxin Cai1, Shilong Ma2, Renyao Zhong1
1School of Public Management, East China Normal University, Shanghai, China.
Digital Health
|January 31, 2025
Summary
Intelligent virtual assistants (IVAs) can enhance cognitive function in older adults. Social networks and physical exercise are key mediators, with effects varying by living situation and education.
Area of Science:
- Gerontology
- Human-Computer Interaction
- Cognitive Science
Background:
- Intelligent virtual assistants (IVAs) are increasingly used by older adults.
- Understanding the impact of IVAs on cognitive function in this demographic is crucial.
- Factors like social networks and physical activity may influence this relationship.
Purpose of the Study:
- To investigate the mediating roles of social networks and physical exercise in the relationship between new and constant IVA use and cognitive function in Chinese older adults.
- To explore how living arrangements and education levels moderate these effects.
Main Methods:
- Utilized nationally representative longitudinal data (2018-2020) from 8343 older adults (aged 60-80).
- Employed a path-analytic model to examine direct and indirect effects of IVA use on cognitive function.
- Assessed the mediating roles of social networks and physical exercise.
Main Results:
- Both new and constant IVA use significantly impacted cognitive function, mediated by social networks and physical exercise.
- Older adults living alone showed positive direct and indirect effects from both IVA types.
- Effects varied by living arrangements and education: new IVAs benefited those living with children, while social networks mediated effects for less educated individuals.
Conclusions:
- Intelligent virtual assistant use positively impacts cognitive function in older adults.
- Social networks and physical exercise are significant mediating pathways for these cognitive benefits.
- Findings support tailored interventions for different socioeconomic and living situations.
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