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Systematic review of the effects of blueberry on cognitive performance as we age

Hein, S., Whyte, A. R., Wood, E., Rodriguez-Mateos, A. and Williams, C. M. (2019) Systematic review of the effects of blueberry on cognitive performance as we age. Journal of Gerontology: Series A, 74 (7). pp. 984-995. ISSN 1079-5006

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To link to this item DOI: 10.1093/gerona/glz082

Abstract/Summary

The effect of flavonoid-rich food, such as blueberries, on cognitive function has been subject to a growing amount of research interest in recent years. Epidemiological, prospective, pre-clinical and clinical trials have revealed positive cognitive benefits from flavonoid interventions, particularly in relation to the amelioration of cognitive decline in older adults. This review will specifically consider the existing clinical research from both acute and chronic blueberry interventions on cognition in human subjects. The results of 11 studies are reported with four studies considering blueberry intervention with 7 – 10 yr old children, four considering aging 60+ yr old adults, and three considering adults suffering from mild cognitive impairment (MCI). Findings from these studies indicate that cognitive benefits may be found for delayed memory and executive function in children and for delayed memory, executive function, and psychomotor function in older healthy and MCI adults. There is less evidence to suggest positive benefits of blueberry intervention on working memory. Recommendations for future research including dose used, cognitive tasks, and age groups considered, are proposed.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Psychology and Clinical Language Sciences > Ageing
Interdisciplinary centres and themes > Institute for Food, Nutrition and Health (IFNH)
Faculty of Life Sciences > School of Psychology and Clinical Language Sciences > Department of Psychology
Faculty of Life Sciences > School of Psychology and Clinical Language Sciences > Neuroscience
Faculty of Life Sciences > School of Psychology and Clinical Language Sciences > Nutrition and Health
ID Code:83065
Uncontrolled Keywords:Flavonoids, blueberry, cognition, life-course, anthocyanins
Publisher:Oxford University Press

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