• Journal of the Korean Institute of Intelligent Systems
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• v.27 no.1
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• pp.29-34
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• 2017

Recently, studying chaotic dynamic have been concerned by many researchers in areas of physics, chemistry, mathematics, engineering and social science. Especially, model of addiction, happiness, family and love become major research subjects in the social science. Among these models, love is one of the four emotions that human being have. There are many definitions for love, however, each definitions of love does not coincide with each other. Recently, one of the most important efforts for research is love and it is represented by derivative equation. Then they try to find nonlinear or chaotic behavior from this derivative equation. This paper propose Gaussian fuzzy membership function in order to make external force that are close to action and awareness of human based on love model of Romeo and Juliet with external force. This paper also confirms the existence of nonlinear characteristics through time series and phase portrait.

• The Journal of the Convergence on Culture Technology
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• v.5 no.3
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• pp.171-176
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• 2019

The objective of this study was to investigate the effect of undergraduates' self-directed learning on the school life satisfaction and interpersonal relation ability. For this purpose, 341 undergraduates were targeted and analyzed. The results of the study are as follows. First, as a result of analyzing school life satisfaction, a sub-factor of self-directed learning, all of gender, grade, and age affected. In addition, sub-factors such as study confidence, study passion, study responsibility seemed to affect positively significantly in order. Second, as a result of analyzing the effect on interpersonal relation skills of self-directed study, there was no significant relation in gender, grade, and age. Based on the results of this study, it was confirmed that school life satisfaction and interpersonal relation abilities are closely related to self-directed learning. This is significant in that to revitalize institutions such as educational service, study support for students, self-directed learning programs development in education field at the university, etc. are required.

• The Journal of Korean Society for School & Community Health Education
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• v.25 no.3
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• pp.17-37
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• 2024

Objectives: The purpose of this study was to explore school counselors' experiences with the Support Project for School Visits by Mental Health Experts. Methods: Focus Group Interview were conducted with 13 school counselors to explore the experience of Support Project for School Visits by Mental Health Experts. Reseults: The effectiveness of the project were identified as "Changing school and parental perceptions and attitudes", "Strengthening the capacity of school counselors", "Improving school mental health response capabilities". The facilitating factors and barriers to the effectiveness of the program were identified. And the following improvements were suggested. Conclusion: Based on this, suggestions were made for differentiating the mental health professional school visitation support project and the role of mental health professionals in revitalizing the project.

• Anxiety and mood
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• v.4 no.2
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• pp.135-141
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• 2008

Objective : The purpose of this study was to investigate the relationship between the pattern of computer game play and emotional and behavioral characteristics of 5th and 6th grade elementary school children in Jeonju city. Methods : Fifth and sixth graders from two elementary schools (N=413, M=214, F=199) were chosen to participate in this study. The participants completed self-report questionnaires designed by the authors, and were also evaluated based on a computer game addiction scale, state-trait anxiety inventory for children, children's depression inventory and Piers-Harris children's self-esteem scale. The parents of the participants determined the disruptive behavior rating scale of the participants. Results : Positive links were reported between the pattern of computer game play (years of computer game experience, average length of each computer game play session, average time spent on computer game play per day, and average frequency of computer game play per week) and scores of computer game addiction scale. In addition, significant correlation was found between the internalized problems of children (trait anxiety, state anxiety, depression, and self-esteem), and computer game addiction scale score, among both sexes (p<0.01). There were significant correlations between game addiction scale score and inattention (p<0.01) as well as total attention deficit hyperactivity disorder (ADHD) score (p<0.05) in girls. Conclusion : Our findings suggest that computer game addiction is related to symptoms of internalizing, particularly to the trait anxiety. Significant positive correlations between game addiction scale score and externalized behavioral problems were found only in girls.

• Knowledge Management Research
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• v.22 no.3
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• pp.173-199
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• 2021

As the use of smart devices such as smartphones and tablets has become common, the time to start using smart devices is getting earlier, such as using smart devices from the age of one. Also, the use of smart devices by infants and toddlers is continuously increasing. Smart devices have become convenient means of acquiring pleasure and knowledge, but the side effects of addiction and overdependence are becoming issues as much as the benefits of smart devices. This study pays attention to young children's overdependence on smart devices, and focuses on the aspects of parents' perception, control, and observational behavior about smart devices, which can have a profound effect on young children. This study examines how young children's overdependence on smart devices can consequently affect children's characteristics in terms of activity, emotional sensitivity, and social aspects. In particular, this study attempts to explore that the factors influencing children's overdependence on smart devices and the results can vary depending on the moderating variables (parents' control method for children's smart device use, supervision method, and type of contents mainly used). Based on the findings, this study can provide guidelines and implications for parents on how to effectively use smart devices for their young children.

• Journal of Life Science
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• v.30 no.3
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• pp.260-266
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• 2020

Alcohol impacts many central nervous systems, such as dopamine, serotonin, opioids, and gamma-aminobutyric acid (GABA), leading to addiction. Many studies have investigated the relationship between GABA and alcoholism. The purpose of this study was to investigate the effects of GABA high and low rice intake on the alcohol intake behavior of mice. Black sticky rice with giant embryo (BSRGE), black sticky rice (BSR), giant embryo rice (GER), and rice (Rice) were germinated for 48 hr in brown rice. The embryos were then collected and used in the study. The diets were fed to respective C57BL/6 mouse groups ad libitum for 16 days and investigated for 2 hr alcohol intake, 22 hr water intake, 24 hr feed intake, and body weight. As a result of the repeated measure of ANOVA for the daily change of alcohol intake for 2 hr daily between the BSRGE and BSR groups, there was a significant difference in the number of days of intake (DF = 7, F = 4.812, p = 0.026). A significant daily decrease in alcohol intake was observed in the BSRGE group compared to the BSR group. This reduction was consistent from Day 10 to Day 16. Alcohol consumption also significantly decreased in the GER group compared to the Rice group. This decrease was observed from Day 12 to Day 16. In conclusion, BSRGE and GER resulted in decreased alcohol intake in C57BL/6 mice compared to BSR and rice. This suggests that BSRGE may prevent relapse in patients with alcohol use disorder.

• The Journal of the Korea Contents Association
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• v.17 no.7
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• pp.696-706
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• 2017

This study is to examine health care utilization and morbidity of disabled and non-disabled children in Korea to evaluate the health disparities. We used medical claim data of 2010 from the National Health Insurance Service-National Sample Cohort data. As a result of the analysis, the disabled children are not in good health condition because they have more frequency of medical service use, hospitalization rate, and more number of diseases and spent more on medical expenses than non-disabled children. Patterns of the most frequent disease differ from significantly between disable and non-disabled. Disabled children had a higher prevalence of selected birth defects and selected health conditions associated with physical disability and a lower prevalence of selected infection disease than children without disability. In conclusion, Health policy changes that would extend the access to health service for children with disabilities characterized by frequent medical care, hospitalization, excessive medical expenditure and complex diseases.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.18 no.5
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• pp.237-244
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• 2017

This study examined the pathological phenomenon of smartphone addiction and prevention. The smartphone provides many conveniences but it also brings psychological and physical problems, such as failure of learning capacity, maladjustment, and impulsive actions. To provide actual proof, this material included correlation analysis among physical, verbal aggression and smartphone addiction factors through high school students. Using SPSSWIN 22.0, frequency analysis, mail factor analysis, T-test, correlation analysis, regression analysis were also included. The main factors of smartphone addiction discrimination were divided into 'aim for imaginary', 'daily obstacles', 'tolerance', 'withdrawal symptom'. Smartphone addicted group members show the result of r=0.668 (physical aggression), r=0.704 (verbal aggression), r=0.481 (hostility). (p< 0.001). This study focused on the aggression from smartphone overuse and the positive effect of music for adolescent's mind stability. Moreover, suggestions for constant research on the pathological phenomena from smartphone addiction and prevention programs are made.

• Journal of Life Science
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• v.19 no.9
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• pp.1232-1238
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• 2009

Neurotransmitter release is regulated by various proteins of the active zone in the presynaptic nerve terminals. Dopamine (DA) is an essential neurotransmitter associated with the pathophysiology of diverse behavioral and mental illness such as schizophrenia and drug addiction. We measured synaptosomal DA release of knockout (KO) mice which lacked major genes related to neurotransmitter release. Synaptosomal DA uptake and release were performed and measured using [$^3H$]-DA and superfusion experiments. 3 of the 17 KO mice exhibited altered DA release compared to their littermate controls. In $Rim1{\alpha}$ KO, [$^3H$]-DA release evoked by membrane depolarization significantly decreased. Both basal (physiological buffer-evoked) and membrane depolarization-evoked DA release significantly decreased in dopaminergic conditional KO of $Rim1{\alpha}{\beta}$. Dopaminergic conditional KO of neurexin3 demonstrated a significant increase of membrane depolarization-evoked DA release. These data explain the similarities and distinctions between DA and other classical neurotransmitters such as glutamate and GABA ($\gamma$-aminobutyric acid) release. In conclusion, $Rim1{\alpha}$ and neurexin3 may be important regulators of presynaptic DA release and related to disorders of the nervous system.

• Journal of The Korean Association of Information Education
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• v.16 no.2
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• pp.181-188
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• 2012

In this study, we develop a role-playing instruction model based on mind practice. The proposed model can strengthen the information and communication ethics and enhance the will to act which leads to behavioral changes. It is also designed considering methodological and procedural elements of mind education and the steps of role-playing. It has much importance on having students experience mind practice directly and indirectly through role-playing. Firstly, an instruction model for a role-playing is designed based on other researches and case studies. Secondly, it was applied to students to find out the advantages and improvements and modified the earlier version and then, it was applied to 36 sophomores in J university in J city for five weeks. They are majoring in Education and are taking Instructional method and Instructional technology. To prove the effectiveness of the model, it was also applied 5th year 24 students, 6th year 26 students and 10 teachers in an elementary school. The results show that more than 90% students respond positively about how interesting information and communication ethics after participating in a role-playing instruction model based on mind practice.