Research on electroencephalogram to measure thermal pleasure in thermal alliesthesia in temperature step-change environment

Young J. Son, Chungyoon Chun

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Thermal pleasure is currently measured along psychological and physiological variables. However, in transient environments where temperatures change, it is hard to correlate psychological and physiological measures, because there is a delay in physiological changes. This study tests a method for correlating both measures using electroencephalogram (EEG), which can capture physiological feedback with a rapid response rate. In this experimental study, thermal pleasure was induced in a temperature step-change environment, one of non-uniform and transient environments. During the experiment, EEG was monitored and psychological responses of thermal sensation and thermal comfort votes were collected via survey questionnaire. A total of 50 males in their twenties participated in a climate chamber experiment. An experimental group of 25 men were exposed to temperature step-change between two different room conditions (32°C, 65% and 25°C, 50%), experiencing thermal pleasure. The control group of the remaining 25 men were exposed to an unchanging condition, experiencing thermal comfort close to thermal neutrality. The EEG spectral analysis demonstrated that EEG frequency band associated with pleasant emotional (theta) increased while frequency band related to pleasantness, satisfaction or relaxation (beta) decreased with thermal pleasure.

Original languageEnglish
Pages (from-to)916-923
Number of pages8
JournalIndoor Air
Volume28
Issue number6
DOIs
Publication statusPublished - 2018 Nov 1

Fingerprint

Pleasure
Electroencephalography
Hot Temperature
Temperature
Research
Thermal comfort
Frequency bands
Psychology
Physiological Feedback
Spectrum analysis
Interoception
Experiments
Climate
Feedback
Control Groups

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Building and Construction
  • Public Health, Environmental and Occupational Health

Cite this

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abstract = "Thermal pleasure is currently measured along psychological and physiological variables. However, in transient environments where temperatures change, it is hard to correlate psychological and physiological measures, because there is a delay in physiological changes. This study tests a method for correlating both measures using electroencephalogram (EEG), which can capture physiological feedback with a rapid response rate. In this experimental study, thermal pleasure was induced in a temperature step-change environment, one of non-uniform and transient environments. During the experiment, EEG was monitored and psychological responses of thermal sensation and thermal comfort votes were collected via survey questionnaire. A total of 50 males in their twenties participated in a climate chamber experiment. An experimental group of 25 men were exposed to temperature step-change between two different room conditions (32°C, 65{\%} and 25°C, 50{\%}), experiencing thermal pleasure. The control group of the remaining 25 men were exposed to an unchanging condition, experiencing thermal comfort close to thermal neutrality. The EEG spectral analysis demonstrated that EEG frequency band associated with pleasant emotional (theta) increased while frequency band related to pleasantness, satisfaction or relaxation (beta) decreased with thermal pleasure.",
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Research on electroencephalogram to measure thermal pleasure in thermal alliesthesia in temperature step-change environment. / Son, Young J.; Chun, Chungyoon.

In: Indoor Air, Vol. 28, No. 6, 01.11.2018, p. 916-923.

Research output: Contribution to journalArticle

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