Dataset Information

Cognitive Diversity in a Healthy Aging Cohort: Cross-Domain Cognition in the Cam-CAN Project.

ABSTRACT: Objective: Studies of "healthy" cognitive aging often focus on a limited set of measures that decline with age. The current study argues that defining and supporting healthy cognition requires understanding diverse cognitive performance across the lifespan. Method: Data from the Cambridge Centre for Aging and Neuroscience (Cam-CAN) cohort was examined across a range of cognitive domains. Performance was related to lifestyle including education, social engagement, and enrichment activities. Results: Results indicate variable relationships between cognition and age (positive, negative, or no relationship). Principal components analysis indicated maintained cognitive diversity across the adult lifespan, and that cognition-lifestyle relationships differed by age and domain. Discussion: Our findings support a view of normal cognitive aging as a lifelong developmental process with diverse relationships between cognition, lifestyle, and age. This reinforces the need for large-scale studies of cognitive aging to include a wider range of both ages and cognitive tasks.

SUBMITTER: Shafto MA

PROVIDER: S-EPMC7116501 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Cognitive Diversity in a Healthy Aging Cohort: Cross-Domain Cognition in the Cam-CAN Project.

Shafto Meredith A MA Henson Richard N RN Matthews Fiona E FE Taylor Jason R JR Emery Tina T Erzinclioglu Sharon S Hanley Claire C Rowe James B JB Cusack Rhodri R Calder Andrew J AJ Marslen-Wilson William D WD Duncan John J Dalgleish Tim T Brayne Carol C Cam-Can Tyler Lorraine K LK

Journal of aging and health 20191008 9

<b>Objective:</b> Studies of "healthy" cognitive aging often focus on a limited set of measures that decline with age. The current study argues that defining and supporting healthy cognition requires understanding diverse cognitive performance across the lifespan. <b>Method:</b> Data from the Cambridge Centre for Aging and Neuroscience (Cam-CAN) cohort was examined across a range of cognitive domains. Performance was related to lifestyle including education, social engagement, and enrichment act ...[more]

PMID: 31592706

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Project description:BackgroundFrailty is a growing concern among the aging population. Due to their vulnerability and reduced physiological reserves, frail older adults face an increased risk of functional decline and loss of independence. In frail older adults, the concept of healthy aging emphasizes maintaining independence, functionality, and a high quality of life despite frailty and other age-related challenges.ObjectiveGrounded in the multidimensional model of healthy aging and aging-related resilience theory, we aimed to propose and test a hypothesized model. The model included exogenous variables (cognitive and physical function, perceived health) and mediators (resilience, social support, and daily activity) as influencing factors of healthy aging among frail older adults.MethodsThe cross-sectional study was conducted in South Korea using a national survey of 505 frail older adults living in the community. The sample was representative across age groups, sex, and regional distributions. A structural equation modeling was employed to test a hypothesized model, examining both direct and indirect effects of influencing factors on healthy aging. Data were collected between October and December 2023 and analyzed using IBM SPSS 26.0 and AMOS 26.0.ResultsA total of 505 frail older adults with an average age of 74 participated in the study. The hypothesized model demonstrated a good fit with the data. The exogenous variables and mediators accounted for 43 % of the variance in healthy aging. Resilience, cognitive function, and perceived health had significant direct and indirect effects on healthy aging. Daily activity also had a significant direct effect on healthy aging. Social support, while not directly affecting healthy aging, exerted a significant indirect effect through daily activity. Similarly, physical function influenced healthy aging indirectly via daily activity. The model was tested after controlling for age, sex (ref=male), economic status, and years of education. Among these confounding variables, economic status was a significant influencing factor in healthy aging (β = 0.14, p = 0.016).ConclusionCognitive and physical function, alongside resilience and social support as mediators, significantly associated with healthy aging in frail older adults through daily activity. Health promotion strategies could focus on resilience and social support to empower individuals and strengthen social connectedness, thereby supporting independence in daily life and healthy aging. Further, we need to explore diverse social and cultural activities associated with healthy aging in this population to expand the definition of active aging.

Dataset Information

Cognitive Diversity in a Healthy Aging Cohort: Cross-Domain Cognition in the Cam-CAN Project.

Publications

Cognitive Diversity in a Healthy Aging Cohort: Cross-Domain Cognition in the Cam-CAN Project.

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