Abstract
Abstract In this study, experiments using bioelectronic signals and questionnaire surveys were carried out in learning conditionswhen temperatures changed from low- and high-uncomfortable to comfortable. As a result, the stress factor Photoplethysmo-graphy (PPG) decreased, while the Root Mean Square of Standard Deviation (RMSSD) of PPG increased when the indoortemperature was changed from low- or high-uncomfortable to comfortable. Additionally, the absolute power of the α-wave in the brain increased. According to the analysis of the association between the questionnaire and bioelectronic signals, thestandard deviation of the stress factor as measured by pulse was closely related to the result of the thermal sensation questionnaire. In addition, it was found that the concentration on studying improved under comfortable temperatures when compared to uncomfortable temperatures. Key words Biological electricity(생체전기신호), Electroencephalogram(뇌파), Photoplethysmography(광용적맥파), Comfort sensation vote(쾌적감설문), Thermal sensation vote(온열감설문)†Corresponding author, E-mail:
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