Cited by 18Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsCognitive Abilities and Testing

Modifiable Lifestyle Activities Affect Cognition in Cognitively Healthy Middle-Aged Individuals at Risk for Late-Life Alzheimer’s Disease

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Heneghan, Amy, Deng, Feng, Wells, Katie, Ritchie, Karen, Muniz-Terrera, Graciela, Ritchie, Craig W., Lawlor, Brian, Naci, Lorina·2023·Journal of Alzheimer s Disease

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Abstract

BACKGROUND: It is now acknowledged that Alzheimer's disease (AD) processes are present decades before the onset of clinical symptoms, but it remains unknown whether lifestyle factors can protect against these early AD processes in mid-life. OBJECTIVE: We asked whether modifiable lifestyle activities impact cognition in middle-aged individuals who are cognitively healthy, but at risk for late life AD. Participants (40-59 years) completed cognitive and clinical assessments at baseline (N = 206) and two years follow-up (N = 174). METHODS: Mid-life activities were measured with the Lifetime of Experiences Questionnaire. We assessed the impact of lifestyle activities, known risk factors for sporadic late-onset AD (Apolipoprotein E ɛ4 allele status, family history of dementia, and the Cardiovascular Risk Factors Aging and Dementia score), and their interactions on cognition. RESULTS: More frequent engagement in physically, socially, and intellectually stimulating activities was associated with better cognition (verbal, spatial, and relational memory), at baseline and follow-up. Critically, more frequent engagement in these activities was associated with stronger cognition (verbal and visuospatial functions, and conjunctive short-term memory binding) in individuals with family history of dementia. Impaired visuospatial function is one of the earliest cognitive deficits in AD and has previously associated with increased AD risk in this cohort. Additionally, conjunctive memory functions have been found impaired in the pre-symptomatic stages of AD. CONCLUSION: These findings suggest that modifiable lifestyle activities offset cognitive decrements due to AD risk in mid-life and support the targeting of modifiable lifestyle activities for the prevention of AD.

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  1. Deng, F., Wells, K., Ritchie, K., Muniz-Terrera, G., Ritchie, C. W., O'Brien, J.T., Lawlor, B., Naci, L. (2022) Functional connectivity of the locus coeruleus with the hippocampus and the cognitive profiles of asymptomatic mid-life individuals at risk for Alzheimer's disease. bioRxiv.

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Authors
Heneghan, A., Deng, F., Wells, K., Ritchie, K., Muniz-Terrera, G., Ritchie, C. W., Lawlor, B., & Naci, L.
Affiliations
  • Trinity College Dublin (IE)
  • University of Edinburgh (GB)
  • Inserm (FR)
  • Edinburgh Dementia Prevention, University of Edinburgh, Edinburgh, UK
  • Trinity College Institute of Neuroscience, School of Psychology, Trinity College Dublin, Dublin, Ireland
Venue
Journal of Alzheimer s Disease
Published
2023-01-17
Volume
91
Issue
2
Pages
833-846
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W4311114405
Cited by
18
References
76
Citations by year
2026: 4 · 2025: 3 · 2024: 5 · 2023: 5 · 2022: 1
FWCI
2.28
Type
journal article
Language
en
Open access
Locations
  • Journal of Alzheimer s Disease (publishedVersion)
  • medRxiv (acceptedVersion)
  • PubMed (publishedVersion)
Funders
  • Alzheimer's Association (TriBEKa-17-519007)
  • L'Oreal USA
  • Global Brain Health Institute
  • Alzheimer's Society (178 and 264)
  • Imperial College London
  • Trinity College Dublin
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
Keywords
Alzheimer's disease
MeSH terms
Alzheimer Disease, Cognition, Humans, Life Style, Middle Aged, Risk Factors, Cognitive Dysfunction

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