• Korean Journal of Child Studies
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• v.29 no.1
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• pp.63-86
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• 2008

The study examined whether small group filial therapy for maladjusted young children and their mothers would improve children's interpersonal relationships. Two mother-child pairs participated in the program consisting 12 group parent education sessions by a therapist and 6 sessions of supervised play therapy. All 18 sessions ran 85-90 minutes once a week. Results showed positive changes on initiated interactions, co-play, emotional closeness and manifest joy in mother-child play interactions. Scores of playfulness rated by two trained observers during weekly group play time for the children showed improvement in terms of physical, social, and cognitive spontaneity, manifest joy and humor. Quality of children's interpersonal relationships in routine life of home and preschool was enhanced according to reports of mothers and preschool teachers.

• Journal of the Korea Furniture Society
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• v.19 no.3
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• pp.203-210
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• 2008

This study intended to develop wellbeing flowerpots on desk which could create a healthy atmosphere in an office and raise people to joy. The pots developed by Blooming company emphasized a design as touching people's emotion through the organic design of the streamline which is different from the geometric line of the flowerpots manufactured by the company as focusing the design on the utility before. As a result, the pots derived from the organic design concepts could provide happiness or joy to the people, and would be a necessity on the narrow desk along with books or writing materials while working. Therefore, the beautifully streamlined pots are expected to compete with European market as the foreign buyers had a great interest in them at the Fair held in Hong-kong at the end of April, 2008.

• Journal of the Korean Society of Manufacturing Technology Engineers
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• v.8 no.1
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• pp.150-157
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• 1999

In this study, the loader was completed that has 4-wheel gear driven drivetrain of study (Ⅰ), the 4-wheel steering with power wheel type, all-wheel traction system, and joy-stick type lever for hydraulic control valve. From driving test of the developed 4WD and 4WS type loader, we obtained that the minimum circling radius and the necessary width in circling motion reduced about 40% and 33% compared with 2WS type loader. Also, all-wheel traction system could keep the tires glued to the ground with greater stability, the power steering allowed a smoother operation, and the joy-stick type lever offered easily to control. Thus, the developed loader having these functions was very fit in a small cattle shed or rugged ground.

• The Transactions of the Korean Institute of Electrical Engineers D
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• v.51 no.11
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• pp.528-534
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• 2002

This paper describes a technique for human sensibility evaluation using EEGs of 4 emotions. The proposed method uses the linear predictor coefficients as EEG feature parameters and a neural network as sensibility pattern classifier. For subject independent system, multiple templates are stored and the most similar template can be selected. EEG signals corresponding to 4 emotions such as relaxation, joy, sadness and anger are collected from 5 armature performers. The states of relaxation and joy are considered as positive sensibility and those of sadness and anger as negative. The classification performance suing the proposed method is about 72.6%. This may be promising performance in the human sensibility evaluation.

• Proceedings of the KSME Conference
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• 2000.04a
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• pp.556-561
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• 2000

This paper deals with the control of an active bending actuator fur a catheter. The bending actuator with 40mm in length utilizes three zigzag SMA (shape memory alloy) springs which are equally located in the circumference between inner $({\phi}2.5 mm)$ and outer $({\phi}3.0mm)$ tube. It is purposed on realization of desired bending angle $(90^{\circ})$ and direction $(360^{\circ})$. It is also installed in front of the catheter and used to guide a path at extremely bent or branched blood vessel. The performance-analysis of the bending actuator are investigated fur the purpose of optimizing the control of the bending actuator. The analog joy stick is used to command a bending angle and direction for the fast and accurate response. According to the commands of the joy stick, tensile force of each SMA spring is computed and obtained by controlling the temperature of each SMA spring using PWM (pulse width modulation) of supplied electric power.

• The Journal of the Korea Contents Association
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• v.15 no.3
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• pp.68-77
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• 2015

As popular music grows, lyrics are taking a more important part of the pop music. In the thesis suggests that to prove that each can I maximize based on the lyrics' emotions, the study compares between a sense of cheerful and sad songs. For this reason, many emotional words were extracted by various word expressions in the cheerful songs and limited expressions of grief sensibilities were shown through relatively small amount of emotional words in the sorrowful songs.

• Proceedings of the KIEE Conference
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• 2002.07d
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• pp.2690-2692
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• 2002

This paper describes a technique for human sensibility evaluation using 10-channel EEG(electroencephalogram). The proposed method uses the linear predictor coefficients as EEG feature parameters and a neural network as sensibility pattern classifier. For subject independent system, multiple templates are stored and the most similar template can be selected. EEG signals corresponding to 4 emotions such as, relaxation, joy, sadness and anger are collected from 5 armature performers. The states of relaxation and joy are considered as positive sensibility and those of sadness and anger as negative. The classification performance using the proposed method is about 72.6%. This will be promising performance in the human sensibility evaluation.

• Journal of Sasang Constitutional Medicine
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• v.8 no.2
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• pp.11-39
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• 1996

The purpose of this investigation is to seek the concepts of the Nature and the Emotion in the Sasang Constitutional Medicine. The results summerized as following. 1. When feelings like joy, anger, sorrow and happiness are kept in heart this state is the Nature. When they are expressed this state is the Emotion. In this point Confucianism and the Sasang Constitutional Medicine are same each other. 2. The Nature and Emotion of Confucianism are the psychic concepts. But the Nature and Emotion of the Sasang Constitutional Medicine are the psychosomatic concepts. 3. QI(氣) of joy, anger, sorrow and happiness, each of them share with qi(氣) of the Nature and Emotion. Qi(氣) of the Nature and Emotion directly influence the formation of Sasang Constitution, physiological and pathological state. As mentioned above, though the Nature and Emotion of the Sasang Constitutional Medicine come from Confucianism they are used the more opened conception.

• Korean Journal of Child Studies
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• v.25 no.6
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• pp.153-170
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• 2004

This study explored age and sex differences in preschoolers' narrative representations of their mothers. Subjects were 120 3-, 4-, 5- and 6-year-old children, with 15 boys and 15 girls in each age group. Using the MacArthur Story Stem Battery(Bretherton et al., 1990), observations were made to obtain children's narrative representations of their mothers. content themes and emotional responses. Boys' representations were more negative and less positive than girls' regardless of their age. Boys talked about more aggressive themes and showed more anxiety and less joy. Five and 6-year-old children had less negative and disciplinary representations of their mothers than 3- and 4-year-olds. Six-year-olds showed less prosocial themes than 3- and 5-years, and fewer aggressive themes than 3-and 4-year while they showed less joy, distress and concern responses than 3-years.

• International Journal of Advanced Culture Technology
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• v.12 no.2
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• pp.190-195
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• 2024

This study aimed to investigate types of emotional experiences that college students undergo, particularly those affecting learning motivation and academic performance. To this end, six college students residing in Seoul, South Korea participated in a series of 'focus-group interview (FGI)' sessions in which in-depths discussions took place. The researcher attempted to draw the participant students' opinions and ideas as they made interactions with each other. Three participants were placed in each of two groups, and each group had approximately 90-minutes-long sessions. The results showed that positive emotions, such as joy and enthusiasm, can increase learning motivation and academic achievement, while negative emotions such as anxiety and stress can hinder them. The findings also highlight that students actively employ coping strategies to manage negative emotions. Moreover, the study underscores students' desire for improved emotional support from instructors, indicating a gap between their expectations and the actual emotional care provided in educational settings. Relevant issues are discussed for future suggestions.