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Emotional and physiological responses to correlated colour temperature, illuminance and lamp shade colour.

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Title: Emotional and physiological responses to correlated colour temperature, illuminance and lamp shade colour.
Authors: Ding, M1 (AUTHOR), Liu, Z1 (AUTHOR) a5054132976@163.com, Chen, X1 (AUTHOR), Cho, J2 (AUTHOR)
Source: Lighting Research & Technology. Dec2025, Vol. 57 Issue 8, p739-769. 31p.
Subjects: Emotions, Physiology, Neurophysiology, User experience, Interior lighting, Color temperature, Luminous flux, Lampshades
Abstract: Indoor lighting significantly shapes users' emotional experiences, yet the impact of different correlated colour temperature (CCT), illuminance and lamp shade colour on occupants' emotional and physiological responses have not been collectively explored. This study examines the effect of ten luminaire lamp shade colours under varying CCT (3000 K, 4000 K, 6500 K) and illuminance (150 lx, 250 lx, 500 lx) conditions on users' emotional states and brain activity. With a light source illumination of 250 lx and a CCT of 3000 K, the yellow luminaire made the participants feel more relaxed, whereas the green illumination made them feel more nervous. The results of the electroencephalogram (EEG) showed that there were obvious event-related potential components in all three types of brain regions. The correlation between user emotion and luminaire colour was established based on Gaussian Naive Bayes, and the receiver operating characteristic curve verifies that the model is reliable. While EEG data offer valuable insights into the correlation between user emotion and luminaire colour, the findings are limited to the tested CCT and illuminance conditions. Future studies should explore a wider range of lighting parameters and real-world scenarios. [ABSTRACT FROM AUTHOR]
Copyright of Lighting Research & Technology is the property of Sage Publications, Ltd. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Emotional and physiological responses to correlated colour temperature, illuminance and lamp shade colour.
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  Data: <searchLink fieldCode="JN" term="%22Lighting+Research+%26+Technology%22">Lighting Research & Technology</searchLink>. Dec2025, Vol. 57 Issue 8, p739-769. 31p.
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  Data: <searchLink fieldCode="DE" term="%22Emotions%22">Emotions</searchLink><br /><searchLink fieldCode="DE" term="%22Physiology%22">Physiology</searchLink><br /><searchLink fieldCode="DE" term="%22Neurophysiology%22">Neurophysiology</searchLink><br /><searchLink fieldCode="DE" term="%22User+experience%22">User experience</searchLink><br /><searchLink fieldCode="DE" term="%22Interior+lighting%22">Interior lighting</searchLink><br /><searchLink fieldCode="DE" term="%22Color+temperature%22">Color temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Luminous+flux%22">Luminous flux</searchLink><br /><searchLink fieldCode="DE" term="%22Lampshades%22">Lampshades</searchLink>
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  Data: Indoor lighting significantly shapes users' emotional experiences, yet the impact of different correlated colour temperature (CCT), illuminance and lamp shade colour on occupants' emotional and physiological responses have not been collectively explored. This study examines the effect of ten luminaire lamp shade colours under varying CCT (3000 K, 4000 K, 6500 K) and illuminance (150 lx, 250 lx, 500 lx) conditions on users' emotional states and brain activity. With a light source illumination of 250 lx and a CCT of 3000 K, the yellow luminaire made the participants feel more relaxed, whereas the green illumination made them feel more nervous. The results of the electroencephalogram (EEG) showed that there were obvious event-related potential components in all three types of brain regions. The correlation between user emotion and luminaire colour was established based on Gaussian Naive Bayes, and the receiver operating characteristic curve verifies that the model is reliable. While EEG data offer valuable insights into the correlation between user emotion and luminaire colour, the findings are limited to the tested CCT and illuminance conditions. Future studies should explore a wider range of lighting parameters and real-world scenarios. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Lighting Research & Technology is the property of Sage Publications, Ltd. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1177/14771535251347536
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      – Code: eng
        Text: English
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        PageCount: 31
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        Type: general
      – SubjectFull: Physiology
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      – SubjectFull: Neurophysiology
        Type: general
      – SubjectFull: User experience
        Type: general
      – SubjectFull: Interior lighting
        Type: general
      – SubjectFull: Color temperature
        Type: general
      – SubjectFull: Luminous flux
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      – SubjectFull: Lampshades
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      – TitleFull: Emotional and physiological responses to correlated colour temperature, illuminance and lamp shade colour.
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            NameFull: Ding, M
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              M: 12
              Text: Dec2025
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              Y: 2025
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