• Science of Emotion and Sensibility
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• v.10 no.1
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• pp.55-68
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• 2007

This paper describes a Voice User Interface(VUI) method and a design guideline tool which supports the studies for domestic appliance. This issue covers specification of user requirement and selection of appropriate VUI to represent speech generation. The criteria for paper is interaction design to enhance user engagement. The studies were carried out to measure prototype of domestic appliance such as a refrigerator, a washing machine, a Gimchi refrigerator, an oven range, a dishwasher and an air conditioner. This paper is presented a study of user preferences and suitability. The results of these findings to voice interface design are discussed and it is suggested that VUI guideline and optimal prototyping can provide a useful application tools in the design process.

• Science of Emotion and Sensibility
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• v.18 no.3
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• pp.93-106
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• 2015

In accordance with escalating demands for advanced technology products, the smart clothing that includes embedded ICT technology have expanded into fields of daily life. As a result of this trend, interest in smart clothing with digitally controllable heating has rapidly grown and the market for smart heated clothing has also expanded. Increasing of prospect in smart heated clothing market, the effectiveness and thermal sensation research of the location on the pad attached is insufficient. This study was conducted to find the optimal location of heated clothing via experimental research on changes in skin temperature and subjective thermal sensation when heating pads were placed on different areas of the body. For this experiment, the subjects consisted of 10 males in their 20's of standard physique. The skin temperature at 11 different areas of the body, rectal temperature, and subjective thermal sensation were taken at different stages (before testing, after a 20 minute rest period, 20 minute treatment period, and after a 40 minute recovery period) in an artificial-climate chamber at $-5^{\circ}C$. As a result, the optimal location for heating pads in smart clothing was estimated and suggested.

• Science of Emotion and Sensibility
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• v.18 no.3
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• pp.63-70
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• 2015

This study identified heart response of participants while listening to sounds which have 1/f fluctuations with exponent ${\alpha}$ gradient. The participants were engaged in emotional stress work. Prior studies related to 1/f fluctuation sound have reported that sound source can alleviate psychological and physiological state of users. Subjects of this study were exposed to sound with three levels of ${\alpha}$ gradient. Heart response of subjects were measured with Photoplethysmography(PPG) sensor simultaneously. The dependent variables of this study were beat per minute(BPM), very low frequency percent of pulse rate variability (VLF percent), the standard deviation of all normal RR intervals (SDNN), and high frequency power(HF power). Subject showed arousal response when exposed to sound with exponent ${\alpha}$ gradient of 3 whereas the sound with exponent ${\alpha}$ gradient of 1 and 2 resulted in relax effect. The characteristic of 1/f fluctuation sounds can be applied to alleviate stress for employers under emotional labor.

• Science of Emotion and Sensibility
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• v.18 no.3
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• pp.49-62
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• 2015

This study investigates the interactive effects of guilt appeal level and empathic disposition (personal distress/empathic concern) on responses over the international relief messages. Guilt appeal level refers to the high or low degree of a message eliciting guilty feeling from the recipient. Empathic disposition is defined as personal tendency to assimilate and concern about the experience of others and we used two sub-dimensions, empathic concern and personal distress. The experiment was composed of two steps. At the first step, the participants rated the personal disposition measures and at the second step, they were shown one of the relief messages with different guilt level. Thus, the whole experiment was guilt appeal level ${\times}$ personal traits factorial design on guilty feeling, attitudes and behavioral intention. The results showed that guilt appeal level interacted with the personal distress disposition on the responses. The interaction was induced mainly from the differences of personal distress in the condition of high guilt appeal. High empathic concern individuals showed more favorable attitudes and behavioral intention regardless of the appeal conditions compared to low empathic concern individuals.

• Science of Emotion and Sensibility
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• v.13 no.1
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• pp.61-68
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• 2010

The objective of this study was to test the estimation possibility of driver's stress degrees with the HRV analysis. For this, first, HRV analysis was applied to the 5 driver's ECG signals which were acquired in 7 different stress situations. From this, the facts that HRV trend was different from that in long-distance driving and 6 parameters - meanRR, sdRR, HF, LF/HF, LFnorm, HFnorm were useful for the stress estimation in stress varying driving situation. Next, we designed 5 personalized linear regression models in which 6 HRV parameters were input and the outcomes were 7 different stress degrees. Finally, we tested each model for 5min-long 16 segments individually. Consequently, the models could not hit the stress degrees exactly in some segments but the correlation coefficients between original stress pattern and estimated stress pattern during entire driving showed reasonably high.

• Science of Emotion and Sensibility
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• v.23 no.1
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• pp.103-112
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• 2020

Smartphones, now a necessity for modern people, have become more than just an appliance, but an object of obsession for many. This has resulted in smartphone addiction in many modern people. However, the phenomenon of object addiction can lie beyond the problem of the object itself, varying according to the psychological characteristics of the subjects who use it. For this reason, this study aimed to examine adult attachment and covert narcissism as factors influencing smartphone addiction in college students. In order to do this subjects' level of smartphone addiction, adult attachment and covert narcissism needed to be measured on a scale of smartphone addiction, adult attachment and covert narcissism. Regression analysis was conducted with smartphone addiction set as the dependent variable and adult attachment and covert narcissism as independent variables. As a result, we observed anxiety attachment related to adult attachment and hypersensitivity/weakness of covert narcissism played roles in smartphone addiction. These findings suggest that in order to understand smartphone addiction in college students, it is important to know the psychological characteristics of our subjects.

• Science of Emotion and Sensibility
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• v.5 no.4
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• pp.67-75
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• 2002

The purpose of this study is to assess the ability of balance control in virtual moving surround stimulation using head mount display (HMD) device and force platform in patients with brain injury. Fifteen patients with stroke (mean age 54.47 yrs) and fifteen healthy normal persons participated. COP parameters were obtained total path distance, frequency of anterior-posterior and medial-lateral component by FFT analysis, weight-spectrum analysis in the two different conditions; (1) during comfortable standing with opened or closed eyes, (2) during virtual moving surround stimulation delivered using HMD with four different moving pattern. Moving patterns consisted of close-far, superior-inferior lilting (pitch) , right-left tilting (roll) and horizontal rotation (yaw) movement. In all parameters, the test-retest reliability was high. Also, the construct validity of virtual moving surround stimulation was excellent (p＜0.05). A posturographic balance assessment system equiped with virtual moving surround stimulation using HMD is considered clinically useful in evaluation of balance control in patients with brain injury.

• Proceedings of the Korean Society for Emotion and Sensibility Conference
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• 2000.11a
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• pp.118-126
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• 2000

동양의학에서 인체의 주된 생리 정보는 체질과 맥진에서 얻어질 수 있다 체질은 선천적인 오장 육부 기능에 대한 정보를 제공한다. 체질에 대한 판단은 얼굴형상, 맥진, 사주 등의 방법에 의한다. 반면에 진맥은 현재의 오장육부의 건강 상태를 나타낸다. 오장육부의 생체정보는 인체경락의 전기 전도도를 측정하는 방법에 의해서도 얻어질 수 있으나 본 논문에서는 진맥에의한 방법만을 토론한다. 체질과 진맥 정보는 치병에 있어서 처방의 기간과 강도를 결정 할 수 있는 결정적인 변수이다. 이 두가지 정보 중에서 하나라도 결핍될 경우 병에 대한 효율적인 대응이 어려워진다. 그 이유는 처방의 강약 조절이 어렵고 그 결과 다른 부작용 유발가능성이 크다. 본 논문에서는 진맥이론의 일반적 전개를 위하여 음양오행 성질의 과학적인 정의를 기초로 하였다. 구체적인 맥상의 판단에는 (1) 음의 맥과 양의 맥의 절대적 크기와 상대적 비(즉 음양의 강도와 비), (2) 오행의 성질에 기초한 맥의 형상, 그리고 (3) 맥의 느낌이나 성질등 3가지 정보를 종합한 방법으로 맥상을 파악한다. 이러한 맥진기술 이론은 분류방법이 간단할 뿐만아니라 이론이 일반적이다. 그래서 한의학의 전문가는 물론이고 일반인 모두 쉽게 익혀 덜인의 건강상태를 스스로 파악하는 것이 가능하다. 진맥기 제작의 기년 이론으로서 역할을 할 수 있다. 오행이론에 기초 할 경우 맥상은 5가지 대표적인 맥으로 분류된다. 맥의 이름은 황제내경에 제시된 한의학적인 이름과 함께 맥상을 쉽게 유추 할 수 있는 실생활적인 이름을 병용하였다. 예를 들어 위장이 약할 때 나타나는 홍맥을 진빵같이 부드러운 맥으로, 폐가 나쁠 때 나오는 흩어지는 모맥을 도우너츠형 연기맥으로, 신장이 나쁠 때 나오는 단단한 석맥을 고구마형상의 돌덩어리맥으로, 간이 나쁠 때 나오는 긴장된 현맥을 팽팽한 고무줄맥으로 그리고 심장이 나쁠 때 나오는 작고 연한 구맥을 튀어오르는 물방울맥으로 명명하였다. 이외에 진맥에 의하여 인체의 한열이나 지삭 부침등의 정보가 가능하며, 이러한 정보는 고혈압이나 중풍 확률, 비만 가능성 지수, 골다공증 선행지수 그리고 심장기능 파악(불전맥이나 대맥) 등 다양한 인체 정보를 파악하는 데 응용될 수 있음을 강조한다.

• Science of Emotion and Sensibility
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• v.9 no.4
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• pp.341-351
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• 2006

The effect of color evokes a certain feeling and affects behavior. Especially, an understanding and applying color are critical because well-designed color substantially contributes to quality and usability. In this study, the effects of three color components(hue, value, and chroma) on apparent warmth were investigated separately and relatively, and then feasibility of applying to the information display was examined. The result showed that the apparent warmth of 10 Hues was a U-shaped function declining from Red to Purple-Blue and increasing from Purple-Blue to Red-Purple with following order of color-circle. Chroma made the character of hues remarkably clear, so warm color becomes warmer and cool color becomes cooler if chroma gets higher. But value has no effect on warmth. These results propose that we can change the apparent warmth by varying chroma in the limitation of color use. And there was a sharp distinction between warm and cool color, Meanwhile, in the reading task of the graphical information, the subjects' judgment distortion overestimating or underestimating the actual degrees was ascertained. This result should be applied to control operator's sensitivity in accordance with the purpose of task and display.

• Science of Emotion and Sensibility
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• v.6 no.1
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• pp.11-16
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• 2003

In this study, we examined the evaluation of virtual Reality (VR) according to the use of motion platform. We recorded electrogastrogram, skin conductance, blood volume, skin temperature, heart rate, and the frequency of eyeblink before, during, after virtual navigation in 33 subjects. We used simulator sickness questionnaire, presence questionnaire , and self-report to evaluate cybersickness and presence in VR system. All subjects experienced VR two times in Motion platform condition and non-Motion platform condition at two-week intervals. Presence score of motion platform condition was greater than non-motion platform condition. The frequency and severity of cybersickness were significantly reduced in motion platform condition than non-motion platform condition. These results suggest that the use of motion platform that synchronizes visual presentation provides higher presence and reduces cybersickness.