Relationship between Food Intake and Finger Plethysmograms

Yoko Hirohashi, Masaki Chiba, Sang-jae Lee, Atsuko Umezawa

Abstract

The purpose of this manner of research was to investigate the influence of food intake on the human body, by means of data showing the chaotic fluctuations of fingertip pulse wave, through the use of nonlinear analysis. For the measurement of the fingertip pulse wave, 5 types of meals were utilized, using both meals where a single person ate alone with no conversation, and meals where several persons ate and conversed, using water, hot soup, and cold soup, measurements were taken at various times (just before food intake, just after food intake, and 30 minutes after food intake). At result, with meal intake, there was a temporary and significant drop in LLE levels, followed by a rise in LLE when several persons ate and conversed. Most of the participants saw little change in levels after intake of cold soup, or water. With intake of hot soup, it was observed that a little climb in LLE levels 30 minutes after eating. Many people increased levels from heat stimulation of the sympathetic nerve, then afterward a decrease, and there is speculation that there is a kind of “relaxation effect”. It seems evident that partaking of warm food while in the company is a good practice.

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Paper Citation


in Harvard Style

Hirohashi Y., Chiba M., Lee S. and Umezawa A. (2013). Relationship between Food Intake and Finger Plethysmograms . In Proceedings of the Third International Symposium on Business Modeling and Software Design - Volume 1: BMSD, ISBN 978-989-8565-56-3, pages 253-260. DOI: 10.5220/0004776202530260


in Bibtex Style

@conference{bmsd13,
author={Yoko Hirohashi and Masaki Chiba and Sang-jae Lee and Atsuko Umezawa},
title={Relationship between Food Intake and Finger Plethysmograms},
booktitle={Proceedings of the Third International Symposium on Business Modeling and Software Design - Volume 1: BMSD,},
year={2013},
pages={253-260},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004776202530260},
isbn={978-989-8565-56-3},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Third International Symposium on Business Modeling and Software Design - Volume 1: BMSD,
TI - Relationship between Food Intake and Finger Plethysmograms
SN - 978-989-8565-56-3
AU - Hirohashi Y.
AU - Chiba M.
AU - Lee S.
AU - Umezawa A.
PY - 2013
SP - 253
EP - 260
DO - 10.5220/0004776202530260