COGNITIVE RESERVE AND COGNITIVE PERFORMANCE IN HEALTHY LATVIAN SENIORS

Kristīne Šneidere, Sonia Montemurro, Sara Mondini, Jelena Harlamova, Zane Ulmane, Ainars Stepens

Abstract


In the next 30 years, a significant increase of the population aged over 65 is expected (WHO, 2015). Ageing can often be associated with cognitive decline; however, recent research indicates that symptoms of age-related cognitive impairment are modulated by Cognitive Reserve (CR), which derives from level of education, working activity, and social activity (Tucker & Stern, 2011). The role of CR in neurodegenerative disease has been extensively researched, but little is known about its contribution to normal ageing. Fifty-four healthy Latvian seniors were recruited for the study. We assessed simple and complex reaction times, associative memory, memory retrieval, attention, working memory. Furthermore, we quantified their CR. We analysed the relationship between CR and reaction times with two separate logistic regressions. Then, four linear regression models were built to analyse the relationship between CR and the scores on the cognitive tasks. CR was not related to the cognitive performance of healthy Latvian seniors. Such results indicate that CR resources may be mostly required when high-demanding tasks have to be performed.

Keywords


ageing; cognitive performance; cognitive reserve

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References


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DOI: http://dx.doi.org/10.17770/sie2018vol1.3221

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