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Enhanced neural activation with blueberry supplementation in mild cognitive impairment.


ABSTRACT: Preclinical studies have shown that blueberry supplementation can improve cognitive performance and neural function in aged animals and have identified associations between anthocyanins and such benefits. Preliminary human trials also suggest cognitive improvement in older adults, although direct evidence of enhancement of brain function has not been demonstrated. In this study, we investigated the effect of blueberry supplementation on regional brain activation in older adults at risk for dementia.In a randomized, double-blind, placebo-controlled trial we performed pre- and post-intervention functional magnetic resonance imaging during a working memory (WM) task to assess the effect of blueberry supplementation on blood oxygen level-dependent (BOLD) signal in older adults with mild cognitive impairment, a risk condition for dementia.Following daily supplementation for 16 weeks, blueberry-treated participants exhibited increased BOLD activation in the left pre-central gyrus, left middle frontal gyrus, and left inferior parietal lobe during WM load conditions (corrected P?

SUBMITTER: Boespflug EL 

PROVIDER: S-EPMC6093614 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Enhanced neural activation with blueberry supplementation in mild cognitive impairment.

Boespflug Erin L EL   Eliassen James C JC   Dudley Jonathan A JA   Shidler Marcelle D MD   Kalt Wilhelmina W   Summer Suzanne S SS   Stein Amanda L AL   Stover Amanda N AN   Krikorian Robert R  

Nutritional neuroscience 20170221 4


<h4>Objectives</h4>Preclinical studies have shown that blueberry supplementation can improve cognitive performance and neural function in aged animals and have identified associations between anthocyanins and such benefits. Preliminary human trials also suggest cognitive improvement in older adults, although direct evidence of enhancement of brain function has not been demonstrated. In this study, we investigated the effect of blueberry supplementation on regional brain activation in older adult  ...[more]

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