Journal of the Korean Society of Clothing and Textiles (한국의류학회지)

The Korean Society of Clothing and Textiles (한국의류학회)
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Assessment of the Wear Comfort of Outdoorwear by ECG and EEG Analyses

아웃도어웨어의 착용 쾌적성 평가를 위한 심전도 및 뇌파 분석

  • Jeong, Jeong-Rim (Dept. of Clothing & Textiles, Kyungpook National University) ;
  • Kim, Hee-Eun (Dept. of Clothing & Textiles, Kyungpook National University/Center for Beautiful Aging, Kyungpook National University)
  • 정정림 (경북대학교 의류학과) ;
  • 김희은 (경북대학교 의류학과/경북대학교 장수생활과학연구소)
  • Published : 2009.10.31
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Abstract

This study examines the comfort of outdoorwear by electrocardiogram (ECG) and electroencephalogram (EEG) analyses. An experiment that consisted of rest (30 min), exercise (30 min), and recovery (20 min) periods was administered in a climate chamber with 10 healthy male participants. Two kinds of outdoorwear made of 100% cotton fabrics ('Control') and specially engineered fabrics having the feature of quick sweat absorbency and high speed drying fabric ('Functional') are evaluated in the experiment. ECG and EEG signals were obtained during the rest and recovery periods for the two outdoorwear conditions. The ECG analysis identified a smaller decrement of high frequency (HF) power for the 'Functional' when compared with the 'Control' during the recovery period. Next, the EEG analysis showed that the relative band powers of slow $\alpha$ and mid $\alpha$ increased for the 'Functional' while they decreased for the 'Control' and that the ratio of $\alpha$ power to high $\beta$ power was higher for the 'Functional'. The evaluation results indicate that the participants could remain relaxed more with less stress while wearing the functional outdoorwear that demonstrated the positive effects on autonomic nervous system (ANS) activities. The present study is significant in regard that use of ECG and EEG for the assessment of wear comfort is the first in the field of clothing and textile.

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