A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Analysis of human electroencephalogram features in different indoor environments
Abstract Human comfort is linked to health and work performance, and highly depends on the indoor environment. In this study, we studied total comfort in a combined environment by subjective evaluation and electroencephalogram (EEG). A discrete wavelet transform was used to analyze the EEG signals. The results show that thermal, acoustic, visual, and total comforts are significantly correlated and the indoor environments can significantly influence brain cortical activity. In a comfortable environment, the total EEG energy in the parietal lobe (P3, P4) was smaller than in an uncomfortable environment. When subjects felt comfortable, theta frequency-band in the frontal pole (Fp1, Fp2) was significantly increased. These metrics can be used as a biological marker that reflects total comfort in different environments.
Highlights Thermal, acoustic, visual and total comfort are significantly correlated. EEG signals can serve as a biological marker of environmental alterations. The total EEG energy was larger in uncomfortable environments. Theta frequency-band increased in comfortable environments.
Analysis of human electroencephalogram features in different indoor environments
Abstract Human comfort is linked to health and work performance, and highly depends on the indoor environment. In this study, we studied total comfort in a combined environment by subjective evaluation and electroencephalogram (EEG). A discrete wavelet transform was used to analyze the EEG signals. The results show that thermal, acoustic, visual, and total comforts are significantly correlated and the indoor environments can significantly influence brain cortical activity. In a comfortable environment, the total EEG energy in the parietal lobe (P3, P4) was smaller than in an uncomfortable environment. When subjects felt comfortable, theta frequency-band in the frontal pole (Fp1, Fp2) was significantly increased. These metrics can be used as a biological marker that reflects total comfort in different environments.
Highlights Thermal, acoustic, visual and total comfort are significantly correlated. EEG signals can serve as a biological marker of environmental alterations. The total EEG energy was larger in uncomfortable environments. Theta frequency-band increased in comfortable environments.
Analysis of human electroencephalogram features in different indoor environments
Guan, Hongyu (author) / Hu, Songtao (author) / Lu, Mingli (author) / He, Mengyuan (author) / Zhang, Xiaoxia (author) / Liu, Guodan (author)
Building and Environment ; 186
2020-09-22
Article (Journal)
Electronic Resource
English
| British Library Online Contents | 2018