acute effects of glucose and fructose administration on the neural correlates of cognitive functioning in healthy subjects: a pilot study
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2018
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Abstract
The present randomized double-blinded cross-over study aims to extensively study the neural correlates underpinning cognitive functions in healthy subjects after acute glucose and fructose administration, using an integrative multimodal neuroimaging approach. Five minutes after glucose, fructose, or placebo administration through a nasogastric tube, 12 participants underwent 3 complementary neuroimaging techniques: 2 task-based functional magnetic resonance imaging (fMRI) sequences to assess working memory (N-back) and response inhibition (Go/No-Go) and one resting state fMRI sequence to address the cognition-related fronto-parietal network (FPN) and salience network (SN). During working memory processing, glucose intake decreased activation in the anterior cingulate cortex (ACC) relative to placebo, while fructose decreased activation in the ACC and sensory cortex relative to placebo and glucose. During response inhibition, glucose and fructose decreased activation in the ACC, insula and visual cortex relative to placebo. Resting state fMRI indicated increased global connectivity strength of the FPN and the SN during glucose and fructose intake. The results demonstrate that glucose and fructose lead to partially different partially overlapping changes in regional brain activities that underpin cognitive performance in different tasks.
| Reference Key |
zanchi2018frontiersacute
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| Authors | ;Davide Zanchi;Anne Christin Meyer-Gerspach;André Schmidt;Claudia Suenderhauf;Antoinette Depoorter;Jürgen Drewe;Christoph Beglinger;Bettina Karin Wölnerhanssen;Bettina Karin Wölnerhanssen;Stefan Borgwardt |
| Journal | journal of experimental psychology general |
| Year | 2018 |
| DOI |
10.3389/fpsyt.2018.00071
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| URL | |
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