• Title/Summary/Keyword: Human responses

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Evaluation of Thermoregulatory Properties of Thermal Underwear Named as 'Heating Underwear' using Thermal Manikin and Human Performance Test ('발열내복'이라 광고되는 시판 기능성 보온내복의 써멀 마네킹과 인체 착용 실험을 통한 체온조절 성능 평가)

  • Lee, Hyo-Hyun;Lee, Young-Ran;Kim, Ji-Eun;Kim, Siyeon;Lee, Joo-Young
    • Fashion & Textile Research Journal
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    • v.17 no.4
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    • pp.657-665
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    • 2015
  • This study evaluated the thermoregulatory properties of functional thermal underwear ('heating underwear') in markets using a thermal manikin and human wear trials. One ordinary thermal underwear (ORD) and two functional thermal underwear (HEAT1 and HEAT2; manufactured goods, HEAT1: moisture absorbing heat release mechanism, HEAT2: heat storage, release mechanism) were chosen. Thermo-physiological and subjective responses were evaluated at an air temperature of $5.0{\pm}0.5^{\circ}C$ and air humidity of $30{\pm}5%RH$ with five male subjects ($21.6{\pm}1.3yr$ in age, $178.0{\pm}5.9cm$ in height, $68.2{\pm}5.9kg$ in body mass). Experimental conditions consisted of four ensembles that included winter clothes (Control: no underwear, ORD, HEAT1, HEAT2). Water-vapor resistance was greater in fabric of HEAT1 than others. The results were: 1) Total thermal insulation (IT) using a thermal manikin were not greater for HEAT1 (0.860clo) and HEAT 2 (0.873clo) than for ORD (0.886clo). 2) There were no significant differences in rectal temperature, mean skin temperature, heart rate and total body mass loss between the four conditions. Microclimate clothing temperature on the back was greater for ORD than for HEAT1 and HEAT2. Subjects felt more comfortable with HEAT1 than for others at rest. HEAT2 was higher in microclimate humidity when compared to other conditions. The results suggest that thermoregulatory properties of 'heating underwear' in market did not differ from those of ordinary thermal underwear in terms of total thermal insulation and thermoregulatory responses in a cold environment.

ANS Responses Induced by Humor and Joy Using Audio-visual Film Clips (동영상 자극에 의해 유발된 유머 및 기쁨 정서에 따른 아동의 자율신경계 반응)

  • Jang, Eun-Hye;Sung, Soon-Im;Lee, Young-Chang;Eom, Jin-Sup;Sohn, Jin-Hun
    • Science of Emotion and Sensibility
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    • v.10 no.2
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    • pp.263-271
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    • 2007
  • A review of recent studies indicates that positive emotions help buffer stress. In particular, humor is what only human can appreciate. Humor plays an important role in many facets of human life including psychological, social, and somatic functioning. This study is to identify children's ANS responses by humor or joy using audio-visual film clips. 49 male and female children (12-13 years) participated in this study. The participants were briefed on the experiment was its procedure. During the experiment, electrodes were attached to participant and middle fingers of left hands. Physiological responses(EDA, SKT, PPG and ECG) were measured for 30s both in the resting state and experiment state during which emotion provoking stimulus was presented for 2 min. Also, self-report on emotions was followed for 1 min. Results from the self-report showed that both humor and joy were evoked effectively among 89.3% of children. It explains that emotion-eliciting stimuli were effective and appropriate. ANS responses in both emotion were significant in three physiological variables (i.e., SCL, NSCR, LF). There was a significant difference between humor emotion and joy emotion, and both emotions were distinguishable by a specific ANS response pattern.

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A METHOD FOR ESTIMATING MECHANICAL PARAMETERS OF INTACT HUMAN MUSLE

  • Park, Hyung-Jun;Kusmoto, Hidetada;Akazawa, Kenzo
    • 제어로봇시스템학회:학술대회논문집
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    • 1991.10b
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    • pp.1867-1872
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    • 1991
  • A method of estimating mechanical parameters of the intact human muscle is proposed; force responses to ramp length perturbation of the muscle both at the resting and constant contracting states are compared with those of the model. The response during the short period (50ms) after the onset of the perturbation is used for the estimation. Time course of the length perturbation which could lead to the accurate estimation is determined by model analysis. Availability of this method is showed by applying it to the human thumb flexor muscle.

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Inhibitory Effects of Chungpesagan-Tang on Ischemia/Reperfusion-Induced Inflammatory Responses In vitro (허혈/재관류 환경하에서 청폐사간탕의 염증 관련 반응 억제 효과)

  • Hong, Seong-Gil;Kang, Bong-Joo;Cho, Dong-Wuk
    • Korean Journal of Oriental Medicine
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    • v.6 no.1
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    • pp.81-87
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    • 2000
  • Chungpesagan-Tang (CST), a Korean traditional prescription composed of oriental medical herbs, has been used successfully to improve human health and regimen. This study was designed to examine the inhibitory effects of CST against in vitro ischemia/reperfusion-induced inflammatory response. We have characterized the production of prostaglandin $E_2$ and arachidonic acid during ischemia/reperfusion in the human neuroblastoma SK-N-MC and human monocytic macrophage U937 cells and the inhibitory effect of CST on these inflammation-related substance formation has been found out in this study. This result suggested that CST used in this experiment reinforced antiinflammatory potentials and protected cells against ischemia/reperfusion-induced inflammatory resopnse.

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Copy Number Variations in the Human Genome: Potential Source for Individual Diversity and Disease Association Studies

  • Kim, Tae-Min;Yim, Seon-Hee;Chung, Yeun-Jun
    • Genomics & Informatics
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    • v.6 no.1
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    • pp.1-7
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    • 2008
  • The widespread presence of large-scale genomic variations, termed copy number variation (CNVs), has been recently recognized in phenotypically normal individuals. Judging by the growing number of reports on CNVs, it is now evident that these variants contribute significantly to genetic diversity in the human genome. Like single nucleotide polymorphisms (SNPs), CNVs are expected to serve as potential biomarkers for disease susceptibility or drug responses. However, the technical and practical concerns still remain to be tackled. In this review, we examine the current status of CNV DBs and research, including the ongoing efforts of CNV screening in the human genome. We also discuss the characteristics of platforms that are available at the moment and suggest the potential of CNVs in clinical research and application.

Ultrastructural Localization of Toxocara canis Larval Antigen Reacted with a Seropositive Human Serum

  • Lee, Soo-Ung;Yu, Jae-Ran;Huh, Sun
    • Parasites, Hosts and Diseases
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    • v.47 no.1
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    • pp.65-68
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    • 2009
  • Excretory-secretory products of Toxocara canis larvae have been considered as a major functional antigen in immune responses against toxocariasis. We studied ultrastructural localization of T. canis second-stage larval antigen using a seropositive human serum under immunogold electron microscopy. High-density gold particles were observed in the secretory cells, excretory duct, intestinal epithelium, and cuticle of the larval worm sections. The distribution of the positive reactions in the larval worms suggests that the nature of the antigen is excretory-secretory antigen including waste metabolites and secretory enzymes.

The Effectso f Textiles Materials and Wearing Type on the Thermal Insulation Value (의복의 소재 및 형태가 보온력에 미치는 영향)

  • 손원교;최정화
    • Journal of the Korean Society of Clothing and Textiles
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    • v.23 no.8
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    • pp.1098-1109
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    • 1999
  • This study was to examine the effects of textiles materials and wearing types on the thermal regulation responses of human, Cotton polyester wool silk and rayon were chosen as outerwears and acetate was selected as a lining. Blouse-skirt suits blouse-slacks suits and one-piece dress made of selected textiles were examined by human trials, Tests results were as follows ; 1 When subjects wore vlouse-slacks suits Tmsk was showed the highest value. There was a significant difference on Tmsk(p<0.05) when they wore one-piece dress. The temperature of microclimate inside clothing when subjects wore blouse-slacks suits showed the highest value and one-piece dress and then blouse-skirt suits in order. For blouse-skirt suits clothing without lining showed higher temperature of the back of microclimate inside clothing than clothing with lining except cotton(p<0.1) 2. There were no significant consistency of the increasing rates of thermal insulation of garment at fabric test and human trials among polyesterand silk.

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Scale Development for Measuring of the Couple's Languages : Quality time, Acts of Service, Words of Affirmation, Receiving Gifts, and Physical Touch (부부의 언어 측정을 위한 척도개발 : 공유시간, 서비스, 인정, 선물, 신체접촉)

  • 한경미
    • Korean Journal of Human Ecology
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    • v.1 no.2
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    • pp.1-11
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    • 1998
  • The purpose of this study was to develope the scale for measuring the five languages of couples. A 50 item instrument was analyzed with responses from 100 persons(50 couples) dwelling in Kwangju. Data were analyzed by the method of Pearson's Cronbach' $\alpha$ test. Items were loaded five categories such as quality time, words of affirmation, receiving gift, acts of service and physical touch. The test is shown to have internal consistency reliability and satisfactory content validity. The result proposed the 27 items constructed scale. (Korean J Human Ecology 1(2):1~11. 1998)

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Effects of nasopharyngeal microbiota in respiratory infections and allergies

  • Kang, Hyun Mi;Kang, Jin Han
    • Clinical and Experimental Pediatrics
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    • v.64 no.11
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    • pp.543-551
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    • 2021
  • The human microbiome, which consists of a collective cluster of commensal, symbiotic, and pathogenic microorganisms living in the human body, plays a key role in host health and immunity. The human nasal cavity harbors commensal bacteria that suppress the colonization of opportunistic pathogens. However, dysbiosis of the nasal microbial community is associated with many diseases, such as acute respiratory infections including otitis media, sinusitis and bronchitis and allergic respiratory diseases including asthma. The nasopharyngeal acquisition of pneumococcus, which exists as a pathobiont in the nasal cavity, is the initial step in virtually all pneumococcal diseases. Although the factors influencing nasal colonization and elimination are not fully understood, the adhesion of opportunistic pathogens to nasopharyngeal mucosa receptors and the eliciting of immune responses in the host are implicated in addition to bacterial microbiota properties and colonization resistance dynamics. Probiotics or synbiotic interventions may show promising and effective roles in the adjunctive treatment of dysbiosis; however, more studies are needed to characterize how these interventions can be applied in clinical practice in the future.

Emotion Recognition using Short-Term Multi-Physiological Signals

  • Kang, Tae-Koo
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.16 no.3
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    • pp.1076-1094
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    • 2022
  • Technology for emotion recognition is an essential part of human personality analysis. To define human personality characteristics, the existing method used the survey method. However, there are many cases where communication cannot make without considering emotions. Hence, emotional recognition technology is an essential element for communication but has also been adopted in many other fields. A person's emotions are revealed in various ways, typically including facial, speech, and biometric responses. Therefore, various methods can recognize emotions, e.g., images, voice signals, and physiological signals. Physiological signals are measured with biological sensors and analyzed to identify emotions. This study employed two sensor types. First, the existing method, the binary arousal-valence method, was subdivided into four levels to classify emotions in more detail. Then, based on the current techniques classified as High/Low, the model was further subdivided into multi-levels. Finally, signal characteristics were extracted using a 1-D Convolution Neural Network (CNN) and classified sixteen feelings. Although CNN was used to learn images in 2D, sensor data in 1D was used as the input in this paper. Finally, the proposed emotional recognition system was evaluated by measuring actual sensors.