| Title |
Analysis of EEG Relaxation-Arousal Reaction to the Window-To-Wall Ratio of Individual Rooms of A Postpartum Care Center Using EEG-VR |
| Authors |
김상희(Kim, Sang-Hee) ; 이권형(Lee, Kweon-Hyoung) ; 추승연(Choo, Seung-Yeon) |
| DOI |
https://doi.org/10.5659/JAIK.2021.37.3.63 |
| Keywords |
EEG; VR; Area; Window Area Ratio; relaxation-arousal Response; RAB Indicators; individual room of postpartum care center |
| Abstract |
This study was carried out to identify differences in users’ relaxation-arousal reaction to the window-to-wall ratio of spaces with different
areas through EEG analysis and suggest scientific data that can be used for architectural design. For this study, an EEG experiment of
modeling image stimuli in individual rooms of a postpartum care center was performed using VR(Virtual Reality) and dry EEG equipment,
and EEG data of the experiment participants were analyzed using RAB indicators(the ratio of alpha waves to beta waves). The study results
are as follows. First, with regard to changes in the window-to-wall ratio applied to a minimum area, four channels with a window-to-wall
ratio of 30%, 70% and 100% showed statistically significant differences in relaxation-arousal reaction before and after stimulation, and they
all had arousal reaction. Second, with regard to changes in the window-to-wall ratio applied to a facility mean area, two channels with a
window-to-wall ratio of 70% and 100% showed statistically significant differences in relaxation-arousal reaction before and after stimulation,
and they all had arousal reaction. Third, when examining whether the same window-to-wall ratio showed differences in relaxation-arousal
reaction in spaces with different areas, four channels with a window-to-wall ratio of 0%, 30% and 100% showed statistically significant
differences, which means even though the window-to-wall ratio is equal, relaxation-arousal reaction may vary depending on the area. Lastly,
the analysis results displayed that for making users feel comfortable with individual rooms of a postpartum care center, there was a need to
avoid a window-to-wall ratio of 30% and 70% and above when designing a minimum area close to 6.3㎡, and that there was a need to
avoid a big window-to-wall ratio of 70% and above when designing a facility mean area close to 10.34㎡. In addition, it was found that a
window-to-wall ratio of 50% generated arousal reaction least in these two areas, which means a window-to-wall ratio of almost 50% can
make users feel comfortable. |