Late-Life Social Activity and Cognitive Decline in Old Age
Open accessAbstract
We examined the association of social activity with cognitive decline in 1138 persons without dementia at baseline with a mean age of 79.6 ( SD = 7.5) who were followed for up to 12 years (mean = 5.2; SD = 2.8). Using mixed models adjusted for age, sex, education, race, social network size, depression, chronic conditions, disability, neuroticism, extraversion, cognitive activity, and physical activity, more social activity was associated with less cognitive decline during average follow-up of 5.2 years ( SD = 2.7). A one point increase in social activity score (range = 1–4.2; mean = 2.6; SD = 0.6) was associated with a 47% decrease in the rate of decline in global cognitive function ( p < .001). The rate of global cognitive decline was reduced by an average of 70% in persons who were frequently socially active (score = 3.33, 90 th percentile) compared to persons who were infrequently socially active (score = 1.83, 10 th percentile). This association was similar across five domains of cognitive function. Sensitivity analyses revealed that individuals with the lowest levels of cognition or with mild cognitive impairment at baseline did not drive this relationship. These results confirm that more socially active older adults experience less cognitive decline in old age. ( JINS , 2011, 17 , 998–1005)
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Remaining socially and mentally active throughout life may support brain health and possibly reduce the risk of Alzheimer's and other dementias.
“Additional studies suggest that remaining socially and mentally active throughout life may support brain health and possibly reduce the risk of Alzheimer's and other dementias.119,[169][170][171][172][173][174][175][176]”
From 2023 Alzheimer's disease facts and figures (2023) · cites this paper as [172]
The Abstract and Discussion report that greater social activity in older adults was associated with slower cognitive decline, and the Introduction reports prior findings of reduced dementia risk. The Discussion suggests that a lifetime of social activity may have the greatest effect, but says this study could not examine activity before old age. Mental activity and reduced risk of Alzheimer’s disease were not outcomes tested by this study. (LLM, conf=0.85)
Experimental — accuracy not yet measuredMany measures of social activity include questions regarding leisure and cultural activities that are not necessarily social in nature.
“Many measures of social activity include questions regarding leisure and cultural activities [79, 81, 86]. These activities are not necessarily social in nature; for example, watching a film or engaging in hobbies may have less social input than visiting friends and family or attending a party.”
From Social Isolation and Cognitive Function in Later Life: A Systematic Review and Meta-Analysis (2019) · cites this paper as [81]
The Methods section (Assessment of Late Life Social Activity; page unavailable) shows that this paper’s social-activity scale asks about leisure activities, including sporting events, bingo, and trips. It describes only this scale, not “many measures,” and characterizes its items as involving social interaction; it does not establish that the activities lack a social component. (LLM, conf=0.84)
Experimental — accuracy not yet measuredFunctional decline may lead to depression by limiting participation in social, leisure, and physical activities, thereby increasing chronic stress and social isolation.
“functional decline may lead to depression by limiting participation in social, leisure, and physical activities, thereby increasing chronic stress and social isolation. (Carriere, Villebrun, Peres, Stewart, Ritchie, and Ancelin 2009;James, Wilson, Barnes, and Bennett 2011)”
From Successful aging: Advancing the science of physical independence in older adults (2015) · cites this paper as James et al. 2011
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References 42 · Cited by 590
- Authors
- James, B. D., Wilson, R. S., Barnes, L. L., & Bennett, D. A.
- Affiliations
- Rush University Medical Center (US)
- Corresponding author
- James, Bryan D.
- Venue
- Journal of the International Neuropsychological Society
- Publisher
- Cambridge University Press (CUP)
- Published
- 2011-04-08
- Volume
- 17
- Issue
- 6
- Pages
- 998-1005
- ISSN
- 1355-6177 (ISSN-L)
- 1469-7661
- PMC
- PMC3206295
- OpenAlex
- W2080439255
- Cited by
- 590
- References
- 42
- Citations by year
- 2026: 30 · 2025: 32 · 2024: 44 · 2023: 41 · 2022: 51 · 2021: 68 · 2020: 53 · 2019: 48 · 2018: 44 · 2017: 37 · 2016: 41 · 2015: 27 · 2014: 33 · 2013: 26 · 2012: 15
- FWCI
- 16.29
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Journal of the International Neuropsychological Society (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute on Aging (R01AG017917, R01‐AG17917, R01AG22018, R01AG024871, R01AG022018)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Aging and Gerontology Research
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Aging, Health, and Disability
- Keywords
- social activity, cognitive decline, older adults, old age, social networks, global cognitive function, mild cognitive impairment, dementia prevention, cognitive aging
- MeSH terms
- Activities of Daily Living, Aged, Aged, 80 and over, Aging, Association, Cognition Disorders, Female, Humans, Longitudinal Studies, Male, Neuropsychological Tests, Social Behavior
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