• Title/Summary/Keyword: Emotional Stimuli

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Analysis of Physiological Responses and Use of Fuzzy Information Granulation-Based Neural Network for Recognition of Three Emotions

  • Park, Byoung-Jun;Jang, Eun-Hye;Kim, Kyong-Ho;Kim, Sang-Hyeob
    • ETRI Journal
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    • v.37 no.6
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    • pp.1231-1241
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    • 2015
  • In this study, we investigate the relationship between emotions and the physiological responses, with emotion recognition, using the proposed fuzzy information granulation-based neural network (FIGNN) for boredom, pain, and surprise emotions. For an analysis of the physiological responses, three emotions are induced through emotional stimuli, and the physiological signals are obtained from the evoked emotions. To recognize the emotions, we design an FIGNN recognizer and deal with the feature selection through an analysis of the physiological signals. The proposed method is accomplished in premise, consequence, and aggregation design phases. The premise phase takes information granulation using fuzzy c-means clustering, the consequence phase adopts a polynomial function, and the aggregation phase resorts to a general fuzzy inference. Experiments show that a suitable methodology and a substantial reduction of the feature space can be accomplished, and that the proposed FIGNN has a high recognition accuracy for the three emotions using physiological signals.

A Qualitative Study on Attracting and Hindering Factors for Fashion Browsing (패션상품 브라우징 유인요소와 저해요소에 관한 질적 연구)

  • Kim, Mi-Sung;Lee, Jin-Hwa
    • Fashion & Textile Research Journal
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    • v.12 no.4
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    • pp.422-430
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    • 2010
  • Shopping is the activity not only purchasing goods/services but also pursuing the emotional satisfaction. Browsing can be defined as shopping behavior looking around the store without purchasing intention. Through the browsing activity, consumers are able to collect the information and be ready for the possible purchases while marketers have an opportunity to inform consumers of products/ stores/ brands. The more browsing activity, the more stimuli for buying, the more unplanned/ impulse buying. Therefore, this is the time that consumer's browsing activity is getting importance in the area of fashion marketing. The purpose of this study was to examine attracting and hindering factors related to browsing activity especially for purchase of fashion items, using a qualitative research method. An in-depth interview was conducted with 10 female shoppers ranged age 21-50. Included in the questions were consumer's opinions about VMD, convenience, traffic, salesman's attitude, companions, prices, sizes and fitting arrangement. The results of this study provide fashion store managers with the detailed and practical information to draw the consumers in the store.

The Response to Postmodern Fashion Advertisement and Advertising Effect (포스트모던 패션광고에 대한 반응과 광고효과)

  • Choi, Sun-Hyung
    • Journal of the Korean Society of Clothing and Textiles
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    • v.32 no.2
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    • pp.328-339
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    • 2008
  • The purpose of this study is to investigate the difference of the response to fashion ad and its effect between traditional ad and postmodern ad, to examine the difference of the response to fashion ad and its effects according to sensation seeking tendency, and to investigate the effect of the response to fashion ad on its effect. For the purposes of this study, two postmodern ads and one traditional ad were selected as stimuli and data were collected from 230 female college students. The results are as follows: 1) Postmodern advertisement was unique, impacting, hard-to-understand, sensory-stimulating, and fantastic, when compared to traditional advertising. 2) Consumers felt disgusted by confusion and shock coming from postmodern advertising, but at the same time, recognized its value as an advertisement and took more pleasure and fun from it. 3) Consumers with high sensation-seeking-tendency perceived postmodern ads more sensually and showed more positive response to the postmodern ads. 4) While subjective, emotional response affected the attitude toward advertisements, sensory-stimulating affected the attitude toward brand and purchase intention. Thus, cognitive response should also be considered significant to form brand equity in long term.

Qualitative Analysis of the Hwa-byung Recovery Process and Influencing Factors

  • Song, Seung-Yeon;Kim, Jong-Woo;Chung, Sun-Yong
    • Journal of Oriental Neuropsychiatry
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    • v.25 no.4
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    • pp.359-370
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    • 2014
  • Objectives: To describe the progress and influencing factors of Hwa-byung. Methods: Data were collected from semi-structured interviews. The progress of and recovery from Hwa-byung were examined using the collected experiences of eight middle-aged women who suffered from Hwa-byung. For analysis of the data collected, a Consensual Qualitative Research (CQR) methodology was used. Results: Of the eight participants who thought they had Hwa-byung, six were actually Hwa-byung patients and two were non-Hwa-byung patients. Four years later, four of the six Hwa-byung patients recovered, while the Hwa-byung of one patient persisted, and the remaining patient had circular Hwa-byung. Over time, the symptoms of Hwa-byung declined substantially. However, the patients recognized that their disease continuously persisted. Moreover, they thought their symptoms had worsened. Many types of changes were observed during the recovery period, including environmental, physical, cognitive, and emotional changes, as well as changes in attitudes toward others. Recovery factors included the reduction of stimuli, social support, exercise, treatment, control of rumination, and some cognitive changes. Conclusions: To recover from Hwa-byung, it is necessary for patients to experience changes in environment, cognition, and emotion, and to employ self-management in everyday life.

Evaluation of Car Interior Noise by Using EEG (뇌파를 이용한 적정 자동차 내부소음의 평가)

  • 김정룡;박창순
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.24 no.65
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    • pp.65-73
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    • 2001
  • In this study, psychophysiological stress was quantitatively evaluated at various car interior noise levels by using Electroencephalogram(EEG). An experiment was performed to investigate the most comfortable range of noise level during simulated driving condition. Twelve healthy volunteers participated in the experiment. They were asked to operate the driving simulator while six levels of interior noise were given, such as 45dB(A), 50dB(A), 55dB(A), 60dB(A), 70dB(A), 80dB(A), and maximal subjective noise level. EEG signals were recorded for 60 seconds in each noise level. The power spectral analysis was performed to analyze EEG signal. At the same time, psychological stress was also measured subjectively by using a magnitude estimation method. The results showed that subjective stress and EEG spectrum indicated a statistically significant difference between noise levels. In particular, high level noise produced an increase in beta power at temporal(T3, T4) areas. It was also found that beta activity was highly correlated with subjective perception of discomfort, and subjects responded to car interior noise as arousing or negative stimuli. Moreover, beta power remained stable above 70dB(A), whereas subjective discomfort continued to increase even above 70dB(A) We concluded that brain waves could provide psychophysiological information of drivers emotional reaction to car interior noise. Thus, EEG parameters could be a new measure to determine optimal noise level in ergonomic workplace design after further verification in various experimental conditions.

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A Study on Eye-Tracking by Speed & Direction Changes of Graphic Images (그래픽 이미지의 움직임 속도와 방향 변화에 따른 시선 이동 추적 연구)

  • Kim, Sehwa;Seong, Cheekyong
    • Journal of Communication Design
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    • v.38
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    • pp.80-90
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    • 2012
  • The purpose of this study is to determine the differences in eye-tracking, which is one of the emotional reactions of the autonomic nervous system, against various experimental stimuli that vary in terms of the movement attributes of graphic image. This experiment conducted an analysis of variance of the movement factors(n) in each movement attribute(speed, horizontality movement, verticality movement, diagonal movement). Dependent variables were the fixation starting time, the fixation dwell time, the whole fixation time from stimulus appearance, and the eye-tracking length. The result of eye-tracking against movement speed showed nonsignificant differences for each movement attribute. In the horizontality movement, the → movement was higher than the ← movement. In the verticality movement, the ↑ movement was higher than the ↓ movement. In the diagonal movement, there was not significant differences for each movement attributes.

Visualizing Emotions with an Artificial Emotion Model Based on Psychology -Focused on Characters in Hamlet- (심리학 기반 인공감정모델을 이용한 감정의 시각화 -햄릿의 등장인물을 중심으로-)

  • Ham, Jun-Seok;Ryeo, Ji-Hye;Ko, Il-Ju
    • Science of Emotion and Sensibility
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    • v.11 no.4
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    • pp.541-552
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    • 2008
  • We cannot express emotions correctly with only speech because it is hard to estimate the kind, size, amount of emotions. Hamlet who is a protagonist in 'Hamlet' of Shakespeare has emotions which cannot be expressed within only speech because he is in various dramatic situations. So we supposed an artificial emotion, instead of expressing emotion with speech, expressing and visualizing current emotions with color and location. And we visualized emotions of characters in 'Hamlet' with the artificial emotion. We designed the artificial emotion to four steps considering peculiarities of emotion. First, the artificial emotion analyzes inputted emotional stimulus as relationship between causes and effects and analyzes its kinds and amounts. Second, we suppose Emotion Graph Unit to express generating, maintaining, decaying of analyzed one emotional stimuli which is outputted by first step, according to characteristic. Third, using Emotion Graph Unit, we suppose Emotion Graph that expresses continual same emotional stimulus. And we make Emotion Graph at each emotions, managing generation and decay of emotion individually. Last, we suppose Emotion Field can express current combined value of Emotion Graph according to co-relation of various emotions, and visualize current emotion by a color and a location in Emotion Field. We adjusted the artificial emotion to the play 'Hamlet' to test and visualize changes of emotion of Hamlet and his mother, Gertrude.

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A Study of EEG Characteristics by auditory stimuli of Emotional music (감정 음악별 청각자극에 따른 뇌파특성 연구)

  • Choi, Nam-Sook;Im, Giyong;Jung, Chul-Woo;Lee, Hyeob-Eui;Wi, Hyun-Wook;Park, Pyong-Woon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.5
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    • pp.608-616
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    • 2017
  • The purpose of this study was to compare how three kinds of emotionally different music impacted on the emotion and arousal by measuring EEG. The research method was to compare the measurement of the background EEG on Fp1 and Fp2 before, while and after listening using a 2-channel EEG device with various experimental groups aging from 20s to 50s. The results were as follows. 1) At both Fp1 and Fp2, the amplitude of alpha(8-13Hz), SMR(12-15Hz), low beta, high beta, and ${\alpha}/-{\beta}$significantly increased in all music, while at Fp2 only, theta and ??/SMR increased meaningfully.2) At right prefrontal cortex(Fp2), all bands of EEG predominated while and after listening to all songs over Fp1 except for the delta of funeral march which predominated while listening to Fp1.3) The music with a noticeably high alpha value and increased activity was Prelude. These results suggested that Prelude induced brain activity along with relaxation, and the emotionally heavy burden of funeral march decreased the activity of the left brain. This research revealed that feeling emotional change by listening to music was due to the fact that music influenced the brain activity inducing the change of emotion and arousal.

Emotional Palette: Mapping Affective User experience Elements based on Trend (Emotional Palette: Trend에 따른 감성적 사용자 경험 요소 매핑)

  • Jeon, Myoung-Hoon;Lee, Ju-Hwan;Yang, Jung-Min;Heo, U-Beom;Lim, Tae-Hoon;Ahn, Jung-Hee;Kim, Jin
    • 한국HCI학회:학술대회논문집
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    • 2008.02b
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    • pp.451-455
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    • 2008
  • Emotional design gets more and more important. However, the systematical approaches to integration of user experience elements in product design have been rarely tried. This study consists of three parts. We extracted affective words fitting to design direction based on trend analysis. Then, user experience elements were matched with affective words. Finally, a prototype system was made to guide designing affective factors in electronic products. In the present study, user experience elements were defined as color, material & finishing, and sound. Through various documents analysis and trend analysis, trend analysis experts and user experience designers extracted 31 affective keywords which could fully reflect current trend. After paired-comparison of selected keywords, 2 sensibility dimensions were obtained by multidimensional scaling. Trend affective keywords could be explained by 2 dimensions of human-centered' vs. 'techno-centered' and 'warm vs. cool'. Next, user experience elements stimuli were matched with each keyword by user direct positioning on the 2 dimensions affective map. Based on the result of the experiment, the prototype system was developed for the product designers. The results of the current study could guide designers to design emotionally satisfactory products.

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Up-regulation of an ERP component toward racial-outgroup faces in Koreans but not in non-Korean visitors (한국인과 한국에 거주하는 외국인간의 타인종 얼굴에 대한 ERP 요소의 흥분성 조절 비교)

  • Kim, Hyuk;Lee, Kang-hee;Kim, Hyun-Taek;Choi, June-Seek
    • Korean Journal of Cognitive Science
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    • v.33 no.2
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    • pp.95-107
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    • 2022
  • Facial processing of different racial origin has been investigated at various levels including perceptual, emotional, and socio-cultural processing. Particularly, a good deal of studies have been conducted to show "other race effect (ORE)" to indicate that subtle facial information such as identity or emotional expressions are often under-processed in racial out-group members. However, few studies have investigated whether attentional modulation toward racial out-group faces could explain ORE. We investigated whether novelty-driven attentional mechanism is involved in face perception using event-related potential (ERP). Twenty-two Korean (KR) and nine Caucasian-American (AM) participants were presented with emotional faces from the two racial origins while they performed a gender categorization task. KRs showed significantly greater P3 amplitudes to AM than to KR faces indicating that the early attentional processing underlies differential perception of racial out-group faces. Interestingly, P3 was not up-regulated in the AM subjects when they were presented with KR faces, perhaps due to massive habituation to KR faces during everyday social interaction. These results indicate that racial out-group faces are highly salient stimuli which automatically occupy attentional resources, but easily habituated with repeated exposure to the racial-out group.