• Title/Summary/Keyword: Cognition & Emotion

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Screening Tool for Anxiety Disorders: Development and Validation of the Korean Anxiety Screening Assessment

  • Kim, Yeseul;Park, Yeonsoo;Cho, Gyeongcheol;Park, Kiho;Kim, Shin-Hyang;Baik, Seung Yeon;Kim, Cho Long;Jung, Sooyun;Lee, Won-Hye;Choi, Younyoung;Lee, Seung-Hwan;Choi, Kee-Hong
    • Psychiatry investigation
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    • v.15 no.11
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    • pp.1053-1063
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    • 2018
  • Objective This study evaluated the psychometric properties of the Korean Anxiety Screening Assessment (K-ANX) developed for screening anxiety disorders. Methods Data from 613 participants were analyzed. The K-ANX was evaluated for reliability using Cronbach's alpha, item-total correlation, and test information curve, and for validity using focus group interviews, factor analysis, correlational analysis, and item characteristics based on item response theory (IRT). The diagnostic sensitivity and specificity of the K-ANX were compared with those of the Beck Anxiety Inventory (BAI) and Generalized Anxiety Disorder 7-item scale (GAD-7). Results The K-ANX showed excellent internal consistency (${\alpha}=0.97$) and item-total coefficients (0.92-0.97), and a one-factor structure was suggested. All items were highly correlated with the total scores of the BAI, GAD-7, and Penn State Worry Questionnaire. IRT analysis indicated the K-ANX was most informative as a screening tool for anxiety disorders at the range between 0.8 and 1.6 (i.e., top 21.2 to 5.5 percentiles). Higher sensitivity (0.795) and specificity (0.937) for identifying anxiety disorders were observed in the K-ANX compared to the BAI and GAD-7. Conclusion The K-ANX is a reliable and valid measure to screen anxiety disorders in a Korean sample, with greater sensitivity and specificity than current measures of anxiety symptoms.

No "Like" is Fine: Resolving Self-Contradiction in Social Media Attitudes by Flipping Cognition-Emotion Dynamics ("좋아요"가 없을 때: 소셜미디어 태도형성에 있어 지각-감정 관계 조절을 통한 자기모순 해결 방안)

  • Jung Lee
    • Information Systems Review
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    • v.22 no.4
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    • pp.93-113
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    • 2020
  • This study investigates how the users' perceptions on like function in social media affect their attitudes toward the number of likes they receive from others. People conveniently believe that the number of likes is a significant measure of their online content quality and popularity. However, we take an ambivalent view that people do not settle their perceptions on the likes but change their like assessments according to circumstances. Specifically, we propose a model wherein emotional responses to the received likes may affect the value assessment of the likes. Our model shows how people resolve their internal contradiction on the value of the likes by flipping the traditional cognition-to-emotion mechanism to emotion-to-cognition mechanism. We validate the reversed dynamics between judgements and feelings using the data collected from 548 social media users. Results confirm that social media users' attitudes toward likes is largely affected by their emotional responses to their received number of likes. The implications of this study explain social media users' ambivalent attitudes toward likes by showing how they adjust their individual like valuation using their emotional responses.

The Effect of Oxygen Administration on Cerebrum Lateralization in Verbal Task (언어 과제 수행 시 산소 공급이 대뇌 편측화에 미치는 영향)

  • 정순철;김익현;김승철;손진훈
    • Proceedings of the Korean Society for Emotion and Sensibility Conference
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    • 2003.11a
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    • pp.81-83
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    • 2003
  • The present study attempted to observe what changes the supply of highly concentrated(30%) oxygen cause to people's ability and cerebrum lateralization of verbal cognition, compared to air of normal oxygen concentration(21%). The experiment consisted of two runs, one for verbal cognition test with normal air(21% of oxygen) and for verbal cognition test with more oxygen in the air(30% of oxygen). Functional brain images were taken form 3T MRI using the single-shot EPI method. There were more activations observed at the occipital, parietal, temporal, and frontal lobes, but there were no changes in cerebrum lateralization with 30% oxygen administration. The result of task performance showed the accuracy increased at 30%'s concentration of oxygen rather than 21%'s. It is concluded that the positive effect on the verbal cognitive performance level by the highly concentrated oxygen administration was due to changeless increase of left and right cerebrum activation.

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Developing a User Property Metadata to Support Cognitive and Emotional Product Design (인지·감성적 제품설계 지원을 위한 사용자 특성정보 메타데이터 구축)

  • Oh, Kyuhyup;Park, Kwang Il;Kim, Hee-Chan;Kim, Woo Ju;Lee, Soo-Hong;Ji, Young Gu;Jung, Jae-Yoon
    • The Journal of Society for e-Business Studies
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    • v.21 no.4
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    • pp.69-80
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    • 2016
  • Cognitive and emotional product design is becoming crucial because the technology gap decreases more and more. Product design guidelines and the corresponding database are therefore needed to support sensing (e.g. sight, hearing, touch), cognition (e.g. attention, memory) and emotion (e.g. aesthetics, functionality) which users feel differently according to their genders and ages. The user property information which is extracted from various experiments can be used as critical criteria in product design and evaluation, and it is necessary to develop the integrated database of cognition and emotion where to store the user property information. In this research, we design the user property metadata for supporting cognitive and emotional product design and then develop a prototype system. The metadata is designed to reflect the classification of cognition and emotion by investigating and classifying the previous studies related to sensing, cognition and emotion. The user property information is designed in RDF (Resource Description Framework), and a prototype system is developed to store user property information of cognition and emotion based on the designed metadata.

Philosophical Discussion on the Science of Emotion and Sensibility - Under Aspect of Sensitive Cognition - (감성과학에 대한 철학적 논의 -감성적 인식의 문제를 중심으로-)

  • 김광명
    • Science of Emotion and Sensibility
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    • v.1 no.1
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    • pp.3-11
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    • 1998
  • In an urgent situation of interdisciplinary research and method, we feel eagerly the necessity of discussing the philosophical background of ´the science of emotion and sensibility´. If human cognitive faculties lie in split dualism of sensibility and reason, it is difficult to find out the whole image of just recognition, Therfore, it is so important that we should pursue the interrelational context between reason and sensibility through the rationalization of sensibility and the sensibilization of reason. Both reason and sensibility constitute the immanant system of knowledge, The science of sensitive cognition has lower cognitive faculty in contrast to the science of logic, but commonsense plays a rloe to expand the world knowledge which the logical cognition can not fully accomplish. it is dur task to expand the problem of sensibility from the level of humanities on the ground of the communal to the scientific objecticity, which is based on the observation of natural appearances.

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Discriminative Feature Vector Selection for Emotion Classification Based on Speech (음성신호기반의 감정분석을 위한 특징벡터 선택)

  • Choi, Ha-Na;Byun, Sung-Woo;Lee, Seok-Pil
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.64 no.9
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    • pp.1363-1368
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    • 2015
  • Recently, computer form were smaller than before because of computing technique's development and many wearable device are formed. So, computer's cognition of human emotion has importantly considered, thus researches on analyzing the state of emotion are increasing. Human voice includes many information of human emotion. This paper proposes a discriminative feature vector selection for emotion classification based on speech. For this, we extract some feature vectors like Pitch, MFCC, LPC, LPCC from voice signals are divided into four emotion parts on happy, normal, sad, angry and compare a separability of the extracted feature vectors using Bhattacharyya distance. So more effective feature vectors are recommended for emotion classification.

A Review of the History of and Recent Trends on Emotion Research in Science Education (과학 교육에서 정서 연구의 역사와 최근 동향에 관한 고찰)

  • Oh, Phil Seok;Han, Moonhyun
    • Journal of The Korean Association For Science Education
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    • v.41 no.2
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    • pp.103-114
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    • 2021
  • The purpose of this study is to investigate the history of and recent trends in science education research on emotion and explore the direction of future development. A comprehensive review of literature was conducted, and the results were organized according to research questions. Science education research on emotion began in the state of confusion because a number of concepts coexisted and overlapped in the concept of affect. More systematic approaches were then used when science-related attitudes were divided into the two categories of scientific attitudes and attitudes toward science. The research continued to study on positive and negative emotions relevant to science learning. However, the complex relationship between cognition and emotion and the limitation of the dichotomy dealing with emotions as external factors influencing student learning were revealed. By contrast, the recent research on epistemic emotions were based on the new perspective that scientific practices are accompanied with emotions and that cognition and emotion are integrated into the practices, influencing each other. Therefore, research should be carried out in ways that can help science educators understand a variety of emotions emerging in learning science through scientific practices and respond appropriately to even negative emotions of students.

A Characteristic of Emotional Word According to Experience Using and Preference of Product (제품 사용 경험과 선호도에 따른 감성어휘의 표현 특성)

  • Heo, Seong-Cheol
    • Science of Emotion and Sensibility
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    • v.11 no.3
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    • pp.375-385
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    • 2008
  • This study intended to grasp image association on human's product and cognition response characteristic, and analyze their correlation with product preference. For this, photos of mobile phones and proposal-type products were selected for experiment stimuli, and an experiment expressing associated word and an experiment evaluating preference of each product's photo were made. With the experiments, two results were derived. First, in linguistic cognition response on product with use experience, application of emotional expression increased as the level of preference increased by mixing expressions of metaphor languages and emotional image. Second, non-use experience of product induces response corresponding to understanding on the object of cognition only perceptually and considering similarities with general experience information.

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