Drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity

Abstract The purpose of this study was to identify the mechanisms underlying effects of coffee on cognition in the context of brain networks. Here we investigated functional connectivity before and after drinking coffee using graph-theoretic analysis of electroencephalography (EEG). Twenty-one healt...

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Autores principales:	Hayom Kim, Sung Hoon Kang, Soon Ho Kim, Seong Hwan Kim, Jihyeon Hwang, Jae-Gyum Kim, Kyungreem Han, Jung Bin Kim
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4ab48d4fd34748dba8b74450d99e003d
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spelling	oai:doaj.org-article:4ab48d4fd34748dba8b74450d99e003d2021-12-02T18:30:51ZDrinking coffee enhances neurocognitive function by reorganizing brain functional connectivity10.1038/s41598-021-93849-72045-2322https://doaj.org/article/4ab48d4fd34748dba8b74450d99e003d2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93849-7https://doaj.org/toc/2045-2322Abstract The purpose of this study was to identify the mechanisms underlying effects of coffee on cognition in the context of brain networks. Here we investigated functional connectivity before and after drinking coffee using graph-theoretic analysis of electroencephalography (EEG). Twenty-one healthy adults voluntarily participated in this study. The resting-state EEG data and results of neuropsychological tests were consecutively acquired before and 30 min after coffee consumption. Graph analyses were performed and compared before and after coffee consumption. Correlation analyses were conducted to assess the relationship between changes in graph measures and those in cognitive function tests. Functional connectivity (FC) was reorganized toward more efficient network properties after coffee consumption. Performance in Digit Span tests and Trail Making Test Part B improved after coffee consumption, and the improved performance in executive function was correlated with changes in graph measures, reflecting a shift toward efficient network properties. The beneficial effects of coffee on cognitive function might be attributed to the reorganization of FC toward more efficient network properties. Based on our findings, the patterns of network reorganization could be used as quantitative markers to elucidate the mechanisms underlying the beneficial effects of coffee on cognition, especially executive function.Hayom KimSung Hoon KangSoon Ho KimSeong Hwan KimJihyeon HwangJae-Gyum KimKyungreem HanJung Bin KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hayom Kim Sung Hoon Kang Soon Ho Kim Seong Hwan Kim Jihyeon Hwang Jae-Gyum Kim Kyungreem Han Jung Bin Kim Drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity
description	Abstract The purpose of this study was to identify the mechanisms underlying effects of coffee on cognition in the context of brain networks. Here we investigated functional connectivity before and after drinking coffee using graph-theoretic analysis of electroencephalography (EEG). Twenty-one healthy adults voluntarily participated in this study. The resting-state EEG data and results of neuropsychological tests were consecutively acquired before and 30 min after coffee consumption. Graph analyses were performed and compared before and after coffee consumption. Correlation analyses were conducted to assess the relationship between changes in graph measures and those in cognitive function tests. Functional connectivity (FC) was reorganized toward more efficient network properties after coffee consumption. Performance in Digit Span tests and Trail Making Test Part B improved after coffee consumption, and the improved performance in executive function was correlated with changes in graph measures, reflecting a shift toward efficient network properties. The beneficial effects of coffee on cognitive function might be attributed to the reorganization of FC toward more efficient network properties. Based on our findings, the patterns of network reorganization could be used as quantitative markers to elucidate the mechanisms underlying the beneficial effects of coffee on cognition, especially executive function.
format	article
author	Hayom Kim Sung Hoon Kang Soon Ho Kim Seong Hwan Kim Jihyeon Hwang Jae-Gyum Kim Kyungreem Han Jung Bin Kim
author_facet	Hayom Kim Sung Hoon Kang Soon Ho Kim Seong Hwan Kim Jihyeon Hwang Jae-Gyum Kim Kyungreem Han Jung Bin Kim
author_sort	Hayom Kim
title	Drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity
title_short	Drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity
title_full	Drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity
title_fullStr	Drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity
title_full_unstemmed	Drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity
title_sort	drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/4ab48d4fd34748dba8b74450d99e003d
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Drinking coffee enhances neurocognitive function by reorganizing brain functional connectivity

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