The effect on emotions and brain activity by the direct/indirect lighting in the residential environment

Yu Bin Shin, Seung Hyun Woo, Dong Hyeon Kim, Jinseong Kim, Jae-Jin Kim, Jin Young Park

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This study was performed to explore how direct/indirect lighting affects emotions and brain oscillations compared to the direct lighting when brightness and color temperature are controlled. Twenty-eight subjects (12 females; mean age 22.5) participated. The experimental conditions consisted of two lighting environments: direct/indirect lighting (400. lx downlight, 300. lx uplight) and direct lighting (700. lx downlight). On each trial, a luminance environment was presented for 4. min, followed by participants rated their emotional feelings of the lighting environment. EEG data were recorded during the experiment. Spectral analysis was performed for the range of delta, theta, alpha, beta, and gamma ranges. The participants felt cooler and more pleasant and theta oscillations on the F4, F8, T4, and TP7 electrodes were more enhanced in the direct/indirect lighting environment compared to the direct lighting environment. There was significant correlation between the "cool" rating and the theta power of the F8 electrode. The participants felt more pleasant in the direct/indirect lighting environment, indicating that space with direct/indirect lighting modulated subjective perception. Additionally, our results suggest that theta oscillatory activity can be used as a biological marker that reflects emotional status in different lighting environments.

Original languageEnglish
Pages (from-to)28-32
Number of pages5
JournalNeuroscience Letters
Volume584
DOIs
Publication statusPublished - 2015 Jan 1

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Lighting
Emotions
Brain
Electrodes
Electroencephalography
Color
Biomarkers
Temperature

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)

Cite this

Shin, Yu Bin ; Woo, Seung Hyun ; Kim, Dong Hyeon ; Kim, Jinseong ; Kim, Jae-Jin ; Park, Jin Young. / The effect on emotions and brain activity by the direct/indirect lighting in the residential environment. In: Neuroscience Letters. 2015 ; Vol. 584. pp. 28-32.
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The effect on emotions and brain activity by the direct/indirect lighting in the residential environment. / Shin, Yu Bin; Woo, Seung Hyun; Kim, Dong Hyeon; Kim, Jinseong; Kim, Jae-Jin; Park, Jin Young.

In: Neuroscience Letters, Vol. 584, 01.01.2015, p. 28-32.

Research output: Contribution to journalArticle

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