• 생물정신의학
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• 제18권1호
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• pp.36-45
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• 2011

Objectives : Though a proportion of Alzheimer's disease(AD) patients treated with donepezil have shown positive response on cognition, but the responders' characteristics are still uncertain. This study attempts to identify whether a single oral dose of donepezil(5mg) can change cognition and the relationship between single dose responder items and long-term responder are examined. Methods : Twenty-three AD patients for single donepezil challenge study group and eleven AD patients for controls were participated in the study. Seven days after baseline study for neuropsychological test and EEG, same studies were rechecked after donepezil medication in study group. In donepezil study groups, 12 weeks after donepezil medication, neuropsychological test and EEG were rechecked. Results : After single donepezil challenge, forward digit span, Rey-Osterrieth Complex Figure Test copy, SVLT delayed recall were significantly improved, and beta spectra power in anterior, theta spectra power in posterior field were significantly decreased. According to linear regression analysis, forward digit span after single donepezil challenge was significantly positive correlated with long-term responders. Conclusions : This study suggests that single donepezil medication can significantly change cognitive functions and EEG in AD patients. Among these responsive items, forward digit span was significantly correlated with long-term responder.

• 한국지능시스템학회논문지
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• 제18권3호
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• pp.347-353
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• 2008

최근 온톨로지를 이용하여 지능형 에이전트의 지능을 구현하는 연구가 주목을 받고 있다. 그러나 온톨로지로 구현한 지능을 효과적으로 사용하기 위해서는 지능의 활용 목적에 적합한 온톨로지 모델의 설계가 필요하다. 본 논문에서는 지능형 에이전트가 특정 사건을 인식하고 반응하는 과정을 단계별로 표현한 '지능형 에이전트의 인지 사이클'을 정의한다. 그리고 온톨로지 기반의 지능형 에이전트를 설계하고, 온톨로지 추론을 통한 지능형 에이전트의 상태 변화, 감정 표현, 지능 확장이 가능한 온톨로지 모델을 제안한다. 또한, Helen이라는 지능형 에이전트를 구현하여 주변 환경과 상황에 따른 내부 상태의 변화를 확인하고 지능 확장의 용이성을 보인다.

• 한국위성정보통신학회논문지
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• 제7권3호
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• pp.1-7
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• 2012

본 논문은 TV 화이트 스페이스(TV white space) 대역에서 1차 우선 사용자인 DVB-T2(Digital Video Broadcasting - Second Generation Terrestrial) 차세대 유럽형 방송 서비스와 스펙트럼 인지 기능이 탑재된 IMT-Advanced LTE 기반 개인/휴대용 TVBD(TV Band Device) 무선기기와의 공존 가능성 파악을 위해 간섭분석을 수행하였다. 이를 위해 실제 유럽에서 적용되는 DVB-T2와 TVBD 각각에 대해 방사 및 블로킹 마스크, 안테나 높이 및 이득, 전송전력 및 대역폭, 송수신 링크에 대한 채널모델을 적용하였다. 이를 기반으로 DVB-T2의 인접채널에서 동작 가능한 TVBD 사용자의 허용가능 전송전력과 개수, 간섭환률 변화량에 대한 분석을 수행하였다. 또한 스펙트럼 인지 성능에 따른 허용가능 TVBD 총 개수의 변화량에 대해서도 분석을 수행하였다.

• 산업융합연구
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• 제20권6호
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• pp.17-25
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• 2022

정보격차와 관련된 사회문제가 증가하는 가운데 노인은 정보소외계층으로서 다양한 문제에 직면하고 있다. 특히, 가짜뉴스와 같이 디지털 환경에서 획득하는 정보를 비판적으로 이해하고 수용할 수 있는 역량을 강화할 필요성이 대두되고 있다. 이에 본 연구에서는 2020년 미디어패널조사를 활용하여, 노인의 디지털 리터러시가 정보의 비판적 수용행태에 미치는 영향을 인지욕구의 조절효과를 중심으로 분석하였다. 분석결과 디지털 기기를 조작할 수 있는 운영적 역량과 정보검색 및 활용 역량은 정보의 비판적 수용행태에 정(+)의 영향을 미치는 것으로 나타났으며, 인지욕구는 운영역량이 정보의 비판적 수용행태에 미치는 영향을 강화하고, 정보검색 및 활용 역량이 정보의 비판적 수용행태를 감소시키는 것으로 나타났다. 이러한 분석결과는 노인의 디지털 리터러시 교육의 패러다임이 접근성 강화에서 정보에 대한 판단 역량을 강화하는 방향으로 이동할 필요가 있음을 시사한다.

• 경영정보학연구
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• 제22권4호
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• pp.93-113
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• 2020

본 연구는 소셜미디어 사용에 있어 like 기능에 대한 인식이, 자신이 받은 like의 수에 의해 어떻게 영향을 받는 지 알아보았다. 일반적으로 사람들은 like의 개수가 콘텐츠의 질과 유명세를 반영한다고 생각한다. 그러나 본 연구는 사람들이 like에 대해 고정된 인식을 갖고 있지 않고, 상황에 따라 변하는, 양가적인 인식을 가진다는 점에서 출발하였다. 구체적으로, 연구모델은 사람들로부터 받은 like에 대한 감정적인 반응이 like의 가치 판단에 영향을 미칠 수 있다고 제안한다. 또한 그 과정에서 생성되는 like에 대한 모순적인 판단을 전통적으로 알려진 지각에서 감정으로 생성되는 메커니즘을 감정에서 지각으로 형성되는 메커니즘으로 전환함으로써 해결한다고 제안한다. 이에 대한 검증은 548명의 소셜미디어 사용자들을 대상으로 이루어졌다. 분석 결과는 소셜 미디어 사용자들의 like에 대한 태도는 그들이 받은 like 수에 대한 감정적 반응에 영향을 받는다는 것을 보여주었다. 본 연구는 소셜 미디어 사용자들의 like에 대한 양가적인 태도를 그들이 받은 like의 수에 대한 가치 판단을 기반으로 설명한다는 점에서 시사점을 준다.

• 시큐리티연구
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• 제8호
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• pp.65-83
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• 2004

In modern society, the enterprises or the public organization have devised consistent means and methods with keen competition in high intelligence, high specialization and high competition for surviving in the struggle for existence. In the rapidly changing modern society like that, guard services are not free any more in the simple business. It will be survived only with consistent self-development and various abilities. Recently, it is on a trend that the enterprise including venture business requires the man of ability having many-sided thought, knowledge and capacity. That is, the era of a man with multi-function has come. The guards engaged in their present posts have to make efforts self-development consistently. And they have to work for self-development with theoretical knowledge acquirement about the expert knowledge escaping from simple function and business. The constitution including universities that train the guard should not adjust to the demand of quantitative manpower required in the enterprise organization with the training of the guard with simple functions only. It needs settlement as a curriculum with technology like ideology and knowledge breaking from short curriculum centered on function only in order to come to stay the recognition about guard services as expert services that the industrial society requires. The education centered on simple function should be replaced in the use of a high school, private academy and special guard institution. In addition, it requires a quality as the auxiliary, division, decision-making and spokesman according to the business role. Also, it requires the martial arts capacity, the communicative capacity, the sports or reports capacity, the guard driving capacity, the policy and assistant capacity and the information and analysis capacity, etc in individual. Lastly, it need each guard's change of cognition most of all. As part of the guard's adaptive plan according to the social change, it was enumerated like the mentioned above. It is important for the guard to prepare for the change of era and to build up quality and capacity before anything else.

• 한국품질경영학회:학술대회논문집
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• 한국품질경영학회 2007년도 춘계학술대회
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• pp.76-82
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• 2007

Upon the basis at the end of March 2005, we have the 38.91 million cellular phone subscribers over the country and the total diffusion rate of the cellular phone is reached up to 76.1%. At this moment, it can be said the most people use it since the demand is still going on. Turning to the operation company, this is serviced by the SK Telecom, LG Telecom, and KTF, and there are at least 7 manufactures producing it including Samsung, LG, KTF ever, Motorola, SKY, Pantac and Curitel, Most users periodically change the service vendor to the others for buying new model or changing the service vendor. It is understood the customer's action occurred by the differences of the brand cognition. In this study, along with some parameters including the difference of the vendor's brand cognition, difference of satisfaction (mobile telecommunication, product), and the possibility to buy the product again, I am going to find out the relationship between the satisfaction of the provider's service

• 한국수학교육학회지시리즈A:수학교육
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• 제52권3호
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• pp.335-361
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• 2013

The purpose of this study is to analyze effects on storytelling materials of statistics in the middle school classroom lesson. For this purpose, a story is developed by the Zazkis & Liljedahl's model and applied to the 7th graders of 4 classes in a middle school. After the comparison between 5 hours of storytelling lessons and ordinary lessons, the following research findings are obtained. First, storytelling material brings a positive effect on student's academic achievement. It is also shown by the qualitative analysis that this result was caused by cognition of data observation, data transformation, and unification of data with context. Second, storytelling material brings a positive effect on student's affective attitude. It is also validated by the qualitative analysis that students show the positive change in mathematical value cognition and the interests in the lesson.

• 대한수학교육학회지:수학교육학연구
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• 제14권4호
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• pp.421-434
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• 2004

Cognitively Guided Instruction (CGI) is one of the most successful professional development programs for elementary mathematics teachers in US. This article introduces its theoretical background, research-based framework of addition and subtraction work, and how the program has been disseminated. Carpenter and Fennema started CGI aiming to develop a professional development program that focused on research knowledge of children"s thinking. Their goal was. to bring a significant change in teaching by helping teachers understand how children think mathematically. This 3-year NSF funded project grew to be 11-year long, and a number of publications have reported consistent successful learning and teaching by CGI students and teachers compared to counterparts throughout US. CGI′s success by focusing on improving teachers′ knowledge of children′s thinking offers possible opportunities for teacher educators to re-conceptualize teacher education in Korea.

• 대한예방한의학회지
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• 제7권1호
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• pp.139-150
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• 2003

This study tried to know the chang of lifestyle and the factors causing of lifestyle change by the outcome of oriental medical examination for labors in one of the automobile factories in Jeon Buk area. The results will be helpful to the effective health care for the labors in factory. Oriental medical examination was done 22 times from May 20 to June 19, 2002. The numbers of labor who received oriental medical examination were 531, and 300 questionnaires among them were collected. The results were as follows: 1) General characteristics of examinee for oriental medical examination; total 300 labors, high percentage in age range $31{\sim}45$ years old, mostly married, high percentage of high school in completion of study. High percentages in drinking, smoking, and working hour were less than 1 time per week, non-smoking, and above 10 hours, respectively. High percentages in working year and salary were $11{\sim}15$ years. 2) The degree of lifestyle change by the oriental medical examination had the highest score with consult of oriental medicine doctor, and the lowest score was from moire typography result. 3) The degree of lifestyle change by medical examination was highly influenced by the subject characteristics that were less than 1 time per week for drinking, non-smoking, and less than 10 years of working year. 4) For the lifestyle change by the cognition of subject, the subjects who had high confidence for oriental medical examination, high recognition for oriental medical examination's requirement, high concern for health. effective cognition for early detection of disease, had high degree of lifestyle change. 5) The variables that cause lifestyle change in Sasang constitutional analysis result were early detection of disease, type of smoking, working year, moire typography result, interview for health. The variables that cause lifestyle change in moire typography result were type of drinking, ages, working year, consult for health, moire typography result. The variables that cause lifestyle change in interview with oriental medicine doctor were constitutional analysis and moire typography result.