Effects of illuminance and correlated color temperature of indoor light on emotion perception

Abstract The acute non-image forming (NIF) effects of daytime light on momentary mood had been-although not always-established in the current literature. It still remains largely unknown whether short-time light exposure would modulate emotion perception in healthy adults. The current study (N = 48)...

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Autores principales:	Yun Li, Taotao Ru, Qingwei Chen, Liu Qian, Xianghang Luo, Guofu Zhou
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8c72a692ddc543debbf458fb487934d7
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spelling	oai:doaj.org-article:8c72a692ddc543debbf458fb487934d72021-12-02T15:33:13ZEffects of illuminance and correlated color temperature of indoor light on emotion perception10.1038/s41598-021-93523-y2045-2322https://doaj.org/article/8c72a692ddc543debbf458fb487934d72021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93523-yhttps://doaj.org/toc/2045-2322Abstract The acute non-image forming (NIF) effects of daytime light on momentary mood had been-although not always-established in the current literature. It still remains largely unknown whether short-time light exposure would modulate emotion perception in healthy adults. The current study (N = 48) was conducted to explore the effects of illuminance (100 lx vs. 1000 lx at eye level) and correlated color temperature (CCT, 2700 K vs. 6500 K) on explicit and implicit emotion perception that was assessed with emotional face judgment task and emotional oddball task respectively. Results showed that lower CCT significantly decreased negative response bias in the face judgment task, with labeling ambiguous faces less fearful under 2700 K vs. 6500 K condition. Moreover, participants responded slightly faster for emotional pictures under 6500 K vs. 2700 K condition, but no significant effect of illuminance or CCT on negativity bias was revealed in the emotional oddball task. These findings highlighted the differential role of illuminance and CCT in regulating instant emotion perception and suggested a task-dependent moderation of light spectrum on negativity bias.Yun LiTaotao RuQingwei ChenLiu QianXianghang LuoGuofu ZhouNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yun Li Taotao Ru Qingwei Chen Liu Qian Xianghang Luo Guofu Zhou Effects of illuminance and correlated color temperature of indoor light on emotion perception
description	Abstract The acute non-image forming (NIF) effects of daytime light on momentary mood had been-although not always-established in the current literature. It still remains largely unknown whether short-time light exposure would modulate emotion perception in healthy adults. The current study (N = 48) was conducted to explore the effects of illuminance (100 lx vs. 1000 lx at eye level) and correlated color temperature (CCT, 2700 K vs. 6500 K) on explicit and implicit emotion perception that was assessed with emotional face judgment task and emotional oddball task respectively. Results showed that lower CCT significantly decreased negative response bias in the face judgment task, with labeling ambiguous faces less fearful under 2700 K vs. 6500 K condition. Moreover, participants responded slightly faster for emotional pictures under 6500 K vs. 2700 K condition, but no significant effect of illuminance or CCT on negativity bias was revealed in the emotional oddball task. These findings highlighted the differential role of illuminance and CCT in regulating instant emotion perception and suggested a task-dependent moderation of light spectrum on negativity bias.
format	article
author	Yun Li Taotao Ru Qingwei Chen Liu Qian Xianghang Luo Guofu Zhou
author_facet	Yun Li Taotao Ru Qingwei Chen Liu Qian Xianghang Luo Guofu Zhou
author_sort	Yun Li
title	Effects of illuminance and correlated color temperature of indoor light on emotion perception
title_short	Effects of illuminance and correlated color temperature of indoor light on emotion perception
title_full	Effects of illuminance and correlated color temperature of indoor light on emotion perception
title_fullStr	Effects of illuminance and correlated color temperature of indoor light on emotion perception
title_full_unstemmed	Effects of illuminance and correlated color temperature of indoor light on emotion perception
title_sort	effects of illuminance and correlated color temperature of indoor light on emotion perception
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/8c72a692ddc543debbf458fb487934d7
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_version_	1718387092732510208

Effects of illuminance and correlated color temperature of indoor light on emotion perception

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