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Effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers

BACKGROUND: Eating alone has been significantly associated with psychological distress. However, there is no research that evaluates the effects or relation of eating together online to autonomic nervous system functions. METHODS: This is a randomized, open-label, controlled, pilot study conducted a...

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Autores principales: Hasuo, Hideaki, Kusaka, Nahoko, Sano, Mutsuo, Kanbara, Kenji, Kitawaki, Tomoki, Sakuma, Hiroko, Sakazaki, Tomoya, Yoshida, Kohei, Shizuma, Hisaharu, Araki, Hideo, Suzuki, Motoyuki, Nishiguchi, Satoshi, Shuzo, Masaki, Masuda, Gaku, Shimonishi, Kei, Kondo, Kazuaki, Ueda, Hirotada, Nakamura, Yuichi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9998259/
https://www.ncbi.nlm.nih.gov/pubmed/36895016
http://dx.doi.org/10.1186/s13030-023-00263-8
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author Hasuo, Hideaki
Kusaka, Nahoko
Sano, Mutsuo
Kanbara, Kenji
Kitawaki, Tomoki
Sakuma, Hiroko
Sakazaki, Tomoya
Yoshida, Kohei
Shizuma, Hisaharu
Araki, Hideo
Suzuki, Motoyuki
Nishiguchi, Satoshi
Shuzo, Masaki
Masuda, Gaku
Shimonishi, Kei
Kondo, Kazuaki
Ueda, Hirotada
Nakamura, Yuichi
author_facet Hasuo, Hideaki
Kusaka, Nahoko
Sano, Mutsuo
Kanbara, Kenji
Kitawaki, Tomoki
Sakuma, Hiroko
Sakazaki, Tomoya
Yoshida, Kohei
Shizuma, Hisaharu
Araki, Hideo
Suzuki, Motoyuki
Nishiguchi, Satoshi
Shuzo, Masaki
Masuda, Gaku
Shimonishi, Kei
Kondo, Kazuaki
Ueda, Hirotada
Nakamura, Yuichi
author_sort Hasuo, Hideaki
collection PubMed
description BACKGROUND: Eating alone has been significantly associated with psychological distress. However, there is no research that evaluates the effects or relation of eating together online to autonomic nervous system functions. METHODS: This is a randomized, open-label, controlled, pilot study conducted among healthy volunteers. Participants were randomized into either an eating together online group or an eating-alone group. The effect of eating together on autonomic nervous functions was evaluated and compared with that of the control (eating alone). The primary endpoint was the change in the standard deviation of the normal-to-normal interval (SDNN) scores among heart rate variabilities (HRV) before and after eating. Physiological synchrony was investigated based on changes in the SDNN scores. RESULTS: A total of 31 women and 25 men (mean age, 36.6 [SD = 9.9] years) were included in the study. In the comparison between the aforementioned groups, two-way analysis of variance revealed interactions between time and group on SDNN scores. SDNN scores in the eating together online group increased in the first and second halves of eating time (F[1,216], P < 0.001 and F[1,216], P = 0.022). Moreover, high correlations were observed in the changes in each pair before and during the first half of eating time as well as before and during the second half of eating time (r = 0.642, P = 0.013 and r = 0.579, P = 0.030). These were statistically significantly higher than those in the eating-alone group (P = 0.005 and P = 0.040). CONCLUSIONS: The experience of eating together online increased HRV during eating. Variations in pairs were correlated and may have induced physiological synchrony. TRIAL REGISTRATION: The University Hospital Medical Information Network Clinical Trials Registry, UMIN000045161. Registered September 1, 2021. https://center6.umin.ac.jp/cgi-open-bin/icdr/ctr_view.cgi?recptno=R000051592.
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spelling pubmed-99982592023-03-10 Effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers Hasuo, Hideaki Kusaka, Nahoko Sano, Mutsuo Kanbara, Kenji Kitawaki, Tomoki Sakuma, Hiroko Sakazaki, Tomoya Yoshida, Kohei Shizuma, Hisaharu Araki, Hideo Suzuki, Motoyuki Nishiguchi, Satoshi Shuzo, Masaki Masuda, Gaku Shimonishi, Kei Kondo, Kazuaki Ueda, Hirotada Nakamura, Yuichi Biopsychosoc Med Research BACKGROUND: Eating alone has been significantly associated with psychological distress. However, there is no research that evaluates the effects or relation of eating together online to autonomic nervous system functions. METHODS: This is a randomized, open-label, controlled, pilot study conducted among healthy volunteers. Participants were randomized into either an eating together online group or an eating-alone group. The effect of eating together on autonomic nervous functions was evaluated and compared with that of the control (eating alone). The primary endpoint was the change in the standard deviation of the normal-to-normal interval (SDNN) scores among heart rate variabilities (HRV) before and after eating. Physiological synchrony was investigated based on changes in the SDNN scores. RESULTS: A total of 31 women and 25 men (mean age, 36.6 [SD = 9.9] years) were included in the study. In the comparison between the aforementioned groups, two-way analysis of variance revealed interactions between time and group on SDNN scores. SDNN scores in the eating together online group increased in the first and second halves of eating time (F[1,216], P < 0.001 and F[1,216], P = 0.022). Moreover, high correlations were observed in the changes in each pair before and during the first half of eating time as well as before and during the second half of eating time (r = 0.642, P = 0.013 and r = 0.579, P = 0.030). These were statistically significantly higher than those in the eating-alone group (P = 0.005 and P = 0.040). CONCLUSIONS: The experience of eating together online increased HRV during eating. Variations in pairs were correlated and may have induced physiological synchrony. TRIAL REGISTRATION: The University Hospital Medical Information Network Clinical Trials Registry, UMIN000045161. Registered September 1, 2021. https://center6.umin.ac.jp/cgi-open-bin/icdr/ctr_view.cgi?recptno=R000051592. BioMed Central 2023-03-10 /pmc/articles/PMC9998259/ /pubmed/36895016 http://dx.doi.org/10.1186/s13030-023-00263-8 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
spellingShingle Research
Hasuo, Hideaki
Kusaka, Nahoko
Sano, Mutsuo
Kanbara, Kenji
Kitawaki, Tomoki
Sakuma, Hiroko
Sakazaki, Tomoya
Yoshida, Kohei
Shizuma, Hisaharu
Araki, Hideo
Suzuki, Motoyuki
Nishiguchi, Satoshi
Shuzo, Masaki
Masuda, Gaku
Shimonishi, Kei
Kondo, Kazuaki
Ueda, Hirotada
Nakamura, Yuichi
Effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers
title Effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers
title_full Effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers
title_fullStr Effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers
title_full_unstemmed Effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers
title_short Effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers
title_sort effects of eating together online on autonomic nervous system functions: a randomized, open-label, controlled preliminary study among healthy volunteers
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9998259/
https://www.ncbi.nlm.nih.gov/pubmed/36895016
http://dx.doi.org/10.1186/s13030-023-00263-8
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