Brain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment

Psychological adaptation to ambient temperatures is fascinating and critical, both theoretically and practically, for energy efficiency in temperate climates. In this study, we investigated and compared the brain response (event-related potentials with a late positive component and latency ~300 mill...

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Autores principales:	Wiwik Budiawan, Hirotake Sakakibara, Kazuyo Tsuzuki
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	P300 reaction time Uchida–Kraepelin test thermal comfort summer season winter season Technology T
Acceso en línea:	https://doaj.org/article/90f1670740ef4a5bb14fd92fe3e16f11
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spelling	oai:doaj.org-article:90f1670740ef4a5bb14fd92fe3e16f112021-11-25T17:27:04ZBrain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment10.3390/en142275981996-1073https://doaj.org/article/90f1670740ef4a5bb14fd92fe3e16f112021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7598https://doaj.org/toc/1996-1073Psychological adaptation to ambient temperatures is fascinating and critical, both theoretically and practically, for energy efficiency in temperate climates. In this study, we investigated and compared the brain response (event-related potentials with a late positive component and latency ~300 milliseconds; labeled “P300” in the present study) and reaction times of Indonesian participants (<i>n</i> = 11), as tropical natives living in Japan, and Japanese participants (<i>n</i> = 9) in natural (i.e., hot during the summer and cold during the winter) and comfort conditions (with cooling and heating). Thermal comfort under contrasting conditions was studied using both instruments and subjective ratings. P300 potential and reaction time were measured before and after a Uchida–Kraepelin (U–K) test (30 summation lines). The results showed that P300 potential and latency did not change between the pre- and post-U–K test among conditions in any of the groups. Furthermore, Indonesian participants showed lower P300 potential (hot conditions) and slower P300 latency (hot and cooling conditions) than Japanese participants. We also found that the reaction time of the Indonesian group significantly differed between the pre- and post-U–K test in an air-conditioned environment, with either cooling or heating. In this study, Indonesian participants demonstrated a resistance to P300 and worse reaction times during work in a thermally unfamiliar season, specifically indicated by the indifferent performances among contrasting environmental conditions. Indonesian participants also showed similar thermal and comfort sensations to Japanese participants among the conditions. In the winter, when the Indonesian neutral temperature is higher than Japanese’s, the energy consumption may increase.Wiwik BudiawanHirotake SakakibaraKazuyo TsuzukiMDPI AGarticleP300reaction timeUchida–Kraepelin testthermal comfortsummer seasonwinter seasonTechnologyTENEnergies, Vol 14, Iss 7598, p 7598 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	P300 reaction time Uchida–Kraepelin test thermal comfort summer season winter season Technology T
spellingShingle	P300 reaction time Uchida–Kraepelin test thermal comfort summer season winter season Technology T Wiwik Budiawan Hirotake Sakakibara Kazuyo Tsuzuki Brain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment
description	Psychological adaptation to ambient temperatures is fascinating and critical, both theoretically and practically, for energy efficiency in temperate climates. In this study, we investigated and compared the brain response (event-related potentials with a late positive component and latency ~300 milliseconds; labeled “P300” in the present study) and reaction times of Indonesian participants (<i>n</i> = 11), as tropical natives living in Japan, and Japanese participants (<i>n</i> = 9) in natural (i.e., hot during the summer and cold during the winter) and comfort conditions (with cooling and heating). Thermal comfort under contrasting conditions was studied using both instruments and subjective ratings. P300 potential and reaction time were measured before and after a Uchida–Kraepelin (U–K) test (30 summation lines). The results showed that P300 potential and latency did not change between the pre- and post-U–K test among conditions in any of the groups. Furthermore, Indonesian participants showed lower P300 potential (hot conditions) and slower P300 latency (hot and cooling conditions) than Japanese participants. We also found that the reaction time of the Indonesian group significantly differed between the pre- and post-U–K test in an air-conditioned environment, with either cooling or heating. In this study, Indonesian participants demonstrated a resistance to P300 and worse reaction times during work in a thermally unfamiliar season, specifically indicated by the indifferent performances among contrasting environmental conditions. Indonesian participants also showed similar thermal and comfort sensations to Japanese participants among the conditions. In the winter, when the Indonesian neutral temperature is higher than Japanese’s, the energy consumption may increase.
format	article
author	Wiwik Budiawan Hirotake Sakakibara Kazuyo Tsuzuki
author_facet	Wiwik Budiawan Hirotake Sakakibara Kazuyo Tsuzuki
author_sort	Wiwik Budiawan
title	Brain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment
title_short	Brain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment
title_full	Brain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment
title_fullStr	Brain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment
title_full_unstemmed	Brain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment
title_sort	brain response and reaction time in natural and comfort conditions, with energy-saving potential in an office environment
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/90f1670740ef4a5bb14fd92fe3e16f11
work_keys_str_mv	AT wiwikbudiawan brainresponseandreactiontimeinnaturalandcomfortconditionswithenergysavingpotentialinanofficeenvironment AT hirotakesakakibara brainresponseandreactiontimeinnaturalandcomfortconditionswithenergysavingpotentialinanofficeenvironment AT kazuyotsuzuki brainresponseandreactiontimeinnaturalandcomfortconditionswithenergysavingpotentialinanofficeenvironment
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Brain Response and Reaction Time in Natural and Comfort Conditions, with Energy-Saving Potential in an Office Environment

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