• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제26권3호
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• pp.143-148
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• 2015

The purpose of this review was to investigate the relationship between aerobic exercise and cognitive function as well as synthesize the effect of aerobic exercise intervention studies centered on psychiatric symptoms associated with general cognitive deficit. Prospective studies on aerobic exercise and improvement of cognitive function were reviewed and synthesized. In addition, this literature review provides significant positive results on the relationship between aerobic exercise and general cognitive deficit associated with psychiatric symptoms. Review of this literature suggests that there is a positive relationship between participation in aerobic exercise and cognitive function. In this text, there are at least three general pathways by which aerobic exercise may facilitate executive function in children : 1) cognitive demands inherent in engaging in physical activity, 2) cognitive demands inherent in cooperation of complex motor tasks, and 3) physiological changes resulting from aerobic exercise. Another main finding of this review is that physical activity has a stronger influence on cognitive deficit, including attention-deficit hyperactivity disorder, depression, and anxiety. Development of cognitive function is the most important factor for children and youth. Therefore, future research should prove relationship between physical activity and cognitive function using a more scientific and quantitative approach design.

• 시큐리티연구
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• 제57호
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• pp.277-301
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• 2018

한국사회는 위험과 불신이라는 측면에서 복합 위험사회다 농경사회의 전근대적, 산업사회의 근대적, 정보화사회의 후근대적 위험과 재난이 현재라는 시간대에 동시에 존재하기 때문이다. 경제적 부를 획득하고자 하는 끝없는 과학기술의 발달은 동시에 위험사회를 도래한다는 울리히 벡의 지적은 지금 우리에게 있어서 많은 시사점을 제공해주고 있다. 본 논문에서는 이미 20세기 후반에 새로운 근대화의 진전에 따른 위험사회의 도래를 지적하고 그 위험사회를 극복하기 위한 "성찰적 근대화(reflexive modernization)"를 언급한 '울리히 벡'의 이론을 새롭게 살펴보고자 하였다. 왜냐하면 성찰적 근대화는 인간중심적인 관점에서 우리의 잘못된 과거를 반추하고 바람직한 미래를 설계해 주는 방향타가 될 수 있기 때문이다. 이러한 의미에서 성찰적 근대화를 주장한 울리히 벡의 재해석을 통해 위험사회 극복을 위한 방안을 제시하는 것은 중요하다. 4차 산업혁명이 가져올 미래의 새로운 위험을 극복하기 위해서 안전(security & safety)을 전공하고 연구하는 우리는 정부의 안전정책과 국민들의 안전의식에 대한 방향을 제시하여야 하기 때문이다.

• The Journal of Advanced Prosthodontics
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• 제11권3호
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• pp.169-178
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• 2019

PURPOSE. While dental implants have displayed high success rates, poor mechanical fixation is a common complication, and their biomechanical response to occlusal loading remains poorly understood. This study aimed to develop and validate a computational model of a natural first premolar and a dental implant with matching crown morphology, and quantify their mechanical response to loading at the occlusal surface. MATERIALS AND METHODS. A finite-element model of the stomatognathic system comprising the mandible, first premolar and periodontal ligament (PDL) was developed based on a natural human tooth, and a model of a dental implant of identical occlusal geometry was also created. Occlusal loading was simulated using point forces applied at seven landmarks on each crown. Model predictions were validated using strain gauge measurements acquired during loading of matched physical models of the tooth and implant assemblies. RESULTS. For the natural tooth, the maximum vonMises stress (6.4 MPa) and maximal principal strains at the mandible ($1.8m{\varepsilon}$, $-1.7m{\varepsilon}$) were lower than those observed at the prosthetic tooth (12.5 MPa, $3.2m{\varepsilon}$, and $-4.4m{\varepsilon}$, respectively). As occlusal load was applied more bucally relative to the tooth central axis, stress and strain magnitudes increased. CONCLUSION. Occlusal loading of the natural tooth results in lower stress-strain magnitudes in the underlying alveolar bone than those associated with a dental implant of matched occlusal anatomy. The PDL may function to mitigate axial and bending stress intensities resulting from off-centered occlusal loads. The findings may be useful in dental implant design, restoration material selection, and surgical planning.

• 보건행정학회지
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• 제31권3호
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• pp.280-291
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• 2021

Background: Based on the fact that the Korea Medical Dispute Mediation and Arbitration Agency is a public institution established by social demands for medical disputes, this study reviews the publicness of public organization and discusses its policy implications. Methods: Through Moore's strategic triangle, which consists of legitimacy and support, public value and operational capacity, the process of creating public value is examined. For the analysis, case studies were conducted using related literature data from 2012, when the agency was established, to the present. Results: As a result of the analysis, first, the related law examined in the operational capability has been revised dozens of times, but the revised law has its own contradictions and limitations. The human resource system is also being improved, but there is a problem with the fairness and reliability of the arbitration process, especially due to the limitations of the appraiser system. Second, in terms of legitimacy and support, a regional gap occurred despite efforts to improve accessibility through the expansion of the organization. And the arbitration agency failed to reconcile conflicts caused by stakeholders' perception of each other as a trade-off relationship. Third, the public value result shows that, despite many explicit (statistical) achievements, citizens' use of the past dispute resolution means (litigation) has not decreased. Likewise, the perception of value makers (citizens) is important for creating public value as an invisible result, but it has not yet been formally investigated, so the performance can not be recognized. Conclusion: While the organization's efforts for continuous change and improvement are encouraging, it is not perceived as a better means of resolving disputes and improving quality of services. Therefore, it is necessary to reconsider the institutional design centered on value creators.

• 대한건축학회논문집:계획계
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• 제35권3호
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• pp.79-90
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• 2019

There are more and more citizens suffering from severe fatigue, and they wish to escape from it and spend their leisure time for healing. As a result, buildings and complexes are being constructed nationwide with healing as their theme. Particularly, they tend to build facilities with concepts like a spa, beauty, healing, meditation, nature, or forest healing. The purpose of this study is to examine the concept of healing environment and the nationwide tendencies of building facilities with healing as their theme and also investigate the planning characteristics of complexes and architecture with three representative complexes as examples. Complexes intended for healing have immersion into nature being freed from one's routine as their concept. When planning the flow of human traffic within the complexes, they try to obtain the autonomy of choice as well as the diversity of space and experiential factors in order to provide opportunities for experiencing nature. In the complexes selected for a case study here, they have planned the factors of physical environment that are associated with one another based on architectural education programs using red clay, programs specializing poetry, and healing programs using food. Typically, this is centered around outdoor experiential space, indoor meditation and education space, or fitness space. Also, it is characterized by the planning of physical environment and the complex operation of programs. Particularly, public space is divided into communal space, resting space, and health and treatment space, and health/resting space is mainly intended for health and exercise, for example, fitness, spas, or jjimjilbang (Korean dry saunas). Also, it is characterized by the planning of pitched roofs harmonized with nature and also facade planning that can positively adopt the factors of natural environment.

• 한국정보통신학회논문지
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• 제26권3호
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• pp.403-411
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• 2022

체감형 스포츠 게임은 모션 센서나 카메라 등을 활용하여 신체 움직임을 기반으로 운동하는 게임으로 게임을 즐기면서 체력 향상 등 운동 효과를 얻을 수 있다. 기존 연구에서 체감형 스포츠 게임 관련하여 사용성 평가 등 다양한 분야의 연구들이 진행되었다. 하지만 아직까지 체감형 스포츠 게임을 개인플레이 또는 팀플레이 할 때 사용자들에게 어떻게 운동 효과를 미치는 지 논의가 없었다. 따라서 본 연구에서는 개인플레이와 팀플레이가 가능한 닌텐도 스위치 게임을 이용하여 사용자의 ECG(Electrocardiogram) 심전도 정보와 키넥트 센서의 골격 정보를 측정하여 사용자의 운동 효과를 비교 분석하였다. 본 논문에서는 실험 설계와 방법 그리고 심전도와 키넥트 기반의 정량적 측정 결과와 실험 후 주관적인 설문조사에 대한 분석 결과를 토론한다.

• 융합보안논문지
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• 제23권5호
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• pp.151-156
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• 2023

현재 다양한 정보통신기술들이 독거노인 돌봄과 치매노인 실종방지 등에서 폭넓게 활용되고 있으며, 향후 커뮤니티케어 정책을 통해 인공지능과 로봇활용 비대면 돌봄은 향후 더욱 다양한 영역에서 활용될 전망이다. 따라서 본 연구에서는 4차 산업혁명에 관한 정부정책 방향에 기반하여 커뮤니티케어에 활용도가 점차 증가하고 있는 인공지능 기술 기반 돌봄서비스 현황과 활용 및 활성화 전망을 모색해보고자 하였다. 커뮤니티케어에 활용될 수 있는 서비스인 AI 스피커와 돌봄로봇은 노인층이 경험하고 있는 다양한 문제를 해결하는데 도움이 되며, 감성적인 기능을 추가하여 대화 부족이나 외로움을 해소하는데도 활용하고 있다. 향후 AI 기술을 활용한 커뮤니티케어 활성화를 위해서는 첫째, 커뮤니티케어 고령자의 AI기기 친밀화를 위한 지속적인 교육과 고령층을 위한 '사용자 경험(User Experience, UX) 디자인'이 필요하며, 둘째, 기능위주의 기술 활용보다는 상호보완적 관계를 가지고 감성적인 상호관계가 가능한 인간중심의 기술 활용이 필요하며. 셋째, 사용자의 자기결정권 보장, 사생활 보호 등의 윤리적 문제를 해결할 필요가 있다.

• 한국항행학회논문지
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• 제27권6호
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• pp.865-870
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• 2023

본 논문은 LiDAR (light detection and ranging) 센서를 활용하여 블랙아이스를 검출하는 새로운 방법을 제안합니다. 센서는 작고 비용이 저렴하면서도 높은 정확성을 가진 거리 측정 센서로 온도와 경사각을 다르게 하여 아스팔트와 블랙아이스의 각도를 구별하는 데 사용됩니다. 이 센서의 거리 측정 오차율은 대략 ±1 cm로 블랙아이스와 아스팔트을 구별하는 데에는 일부 오차가 발생할 수 있습니다. 본 논문에서는 정확성을 높이기 위한 추가적인 연구와 개선이 필요함을 지적하며 이를 통해 더욱 정확한 블랙아이스 검출 방법을 제안합니다.

• 유통과학연구
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• 제14권4호
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• pp.39-46
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• 2016

Purpose - Recently, as Korean culture and economy develops, Seoul has become a world-famed city. In Seoul, many special grade hotels have been constructed in order to accommodate many tourists from China, Japan and many other Asian countries. And the hotels entered into competition among themselves. Thus many changes are accelerated due to their mutual competition and manpower problems. In this situation, the role of higher officers above all is thought to be very important in order to enhance the management result and to make preparations for the kernel ability of the organization. Research design, data and methodology - This study was intended to verify how the leadership of the higher officers based on trust affects the job satisfaction of employees of the organization. In order to achieve the purpose of this study, some study models and hypotheses have been established through theoretical examinations. The subjects of this study were centered on the constituents of C-Hotel, M-Hotel, and D-Hotel. 200 questionaries were distributed and 190 questionaries were collected and thus the collection ratio was 91 percent. 8 questionaries which were regarded to be insincere or hard to analyzed were excluded. Finally, 182 questionaries were used for analyzing the factors and trust. For the purpose of the verification of hypotheses, structural equation was used. In order to verify the mediating effect of trust between the relationship of emotional leadership and job satisfaction, 'Three-step Mediated Regression Analysis by Baron & Kenny(1986) was utilized. The four hypotheses for this study are as follows: First, emotional leadership will have a meaningful influence on trust in the affirmative. Second, trust will have a meaningful influence on job satisfaction in the affirmative. Third, trust will play a mediating role in the relationship of emotional leadership and job satisfaction. Result - First, the emotional leadership and trust was found to effect a positive effect. Second, the trust and job satisfaction was found on a positive effect on job satisfaction. Third, the emotional leadership and job satisfaction was found to positive effect on job satisfaction. Fourth, the trust in the relationship between emotional leadership and job satisfaction was found that the partial mediating effect. Especially, in the case of the business of hospitality, human services as well as material resources become its keynote, and we can safely say that the degree of dependence toward human resources is very high. Accordingly, the leaders should display their leadership on the basis of abundant emotional and intellectual faculties so that they can grasp, understand and admit the diverse views of value and emotion of the organization constituents and that they can form emotional leadership. On the basis of the analysis results of the verification of hypotheses, some suggestions and uppermost limit of this study have been presented for further study.

• 아태비즈니스연구
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• 제14권4호
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• pp.67-85
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• 2023

Purpose - This study seeks to investigate the determinants of global sourcing intention in clothing sewing industry, in particular with its focus on women's knit wear production. Design/methodology/approach - This study collected a unique set of qualitative data through 31 in-depth interviews with fashion brands, promotion agencies, and sewing factories between July 2023 and October 2023. In addition, it analyzed the dataset using the MAXQDA to complement the research findings. Findings - We have two findings. First, the interviewees commonly mentioned the following factors as reasons for considering global sourcing: the human factors(aging of skilled technicians and labor shortages), the financial factors(gap in production unit prices at home and abroad), the relational factors(lack of novelty), and the physical factors(loss of production infrastructure and network), while the human factors(skilled workforce), the production factors(delivery date and product quality), and the relational factors(timely communication and mutual trust) as reasons for continuing domestic sourcing. Additional code analysis of interview also supports this finding. On the other hand, there was also a subtle difference between buyers(brands) and suppliers(promotion agencies and processing plants), and buyers consider the exact delivery date critical so that they could see trend-sensitive women's knit wear on time, and suppliers took production costs, labor costs, and labor shortages, which are financial factors, more seriously. Research implications or Originality - This study provides a richer and more balanced view of existing literature, which has generally tended to introduce global sourcing across the clothing industry despite the existence of various diversity within the industry. In addition, through qualitative research, we introduce that the sewing industry is carried out according to complex factors, and by revealing and categorizing the determinants of global sourcing, we supplement the existing research on the clothing sewing industry centered on survey. On a practical note, this study introduces that there is a difference in view of domestic sourcing and global sourcing between buyers(brands) and suppliers(promotion agencies and sewing factories), suggesting practical implications for revitalizing networks and deriving win-win cooperation network models among members in the future.