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멀티채널 전극을 이용한 쥐의 뇌 내 여러 영역의 활동전위 동시 기록ㆍ자극을 통한 뇌 활동 연구 및 감각기관 제어
이예나(Ye-Na Lee),이지원(Jee-Won Lee),이유진(You-Jin Lee),정희지(Hee-Ji Jung),장서영(Seo-Young Jang),유하람(Ha-Ram Yu),정소현(So-Hyun Jung),전상범(Sang Beom Jun) 대한전자공학회 2015 대한전자공학회 학술대회 Vol.2015 No.11
Whisker-barrel-motor system is a rat"s system of choice for exploring an environment and collecting information of location, shape, size and texture of objects around it[1]. Studying whisker-barrel-motor system of rats allows us to control animal"s behavior and analyze biological neural networks in vivo using live animal. In this article, multi-channel microelectrode array technology and whisker-barrel-motor system are carefully considered. This study can be applied to basic neuroscience and brain-computer interface study for controlling animal"s behavior.
한국어판 치매 환자의 활동 몰입 측정도구의 타당도와 신뢰도 검증
이예나(Lee, Ye-Na),정은혜(Jeong, Eunhye),장성옥(Chang, Sung Ok) 한국노인간호학회 2021 노인간호학회지 Vol.23 No.2
Purpose: Various therapies and activities are utilized to treat of dementia in clinical situations. An assessment scale for engagement that can be easily applied in clinical situations and studies is required to plan an effective strategy for such patients and evaluate the treatment efficacy. The purpose of this study was to evaluate the validity and reliability of the Korean version of the Menorah park engagement scale (K-MPES) for patients with dementia. Methods: The original MPES was translated into Korean based on the translation guidelines by World Health Organization’s translation guidelines. A total of 200 patients with dementia were included from two long-term hospitals to help verify the tool’s validity and reliability. Results: The K-MPES presented a uni-dimensional model with a good model fit and showed adequate convergent validity (AVE>.5) and construct reliability (CR>.7) in the confirmatory and exploratory factor analysis. The significant correlation between K-MPES and the exiting scales (QOL-AD and CSDD) confirmatory discriminant validity. Cronbach s ⍺ coefficients (.90), test-retest (p<.001), and inter-rater (p<.001) contained appropriated reliability. Conclusion: The K-MPES is a valid and reliable scale to measure engagement for patients with dementia in South Korea. The finding of this study can contribute toward improving the efficacy of activities and quality of care with personalized care planning for patients with dementia.
이예나(Ye-Na Lee),최순호(Sun-Ho Choi),허창수(Chang-Su Huh),최진수(Jin-Su Choi),박우철(Woo-Chul Park) 대한전기학회 2014 전기학회논문지 Vol.63 No.5
TEM Horn antenna is typically used in HPEM area. It is necessary to apply a high voltage of the antenna for radiating HPEM. Then, it is necessary to insulate essentially of applying a high voltage to the antenna. At this time, radiation pattern and gain of the TEM Antenna is changed. For this reason, it is necessary to analyze changing characteristics by using simulation. In this paper, I analyzed the radiation pattern of the antenna in accordance with the lens and insulating material. As a result, it was observed that the value of the gain is changed in accordance with the frequency. The lens is used for the antenna, the gain characteristic is improved.
증거기반 실제를 위한국내 쓰기 학습장애 중재연구 질 분석
이예다나 ( Ye Da Na Lee ),조성희 ( Sung Hee Cho ),마지성 ( Ji Sung Ma ),박현정 ( Hyun Jung Park ),손승현 ( Seung Hyun Son ) 한국특수아동학회 2014 특수아동교육연구 Vol.16 No.2
This study analyzed a total of 33 writing intervention studies published in 2000 to 2013 based on the quality indicators in order to identify the evidence-based intervention which was effective for improving the writing performance of students with learning disabilities. A total of 33 articles were systematically analyzed in terms of types of intervention, research participants, research methods and results. The results of this study were as follows: First, most studies except for one study provided composition in writing instructional components for elementary school students. Second, there were none experimental group designs with random assignment. Third, the instruments for measuring dependent variable were developed or modified by the researchers. The results of analysis of quality indicator showed that the studies using group design studies and single subject research had not met all the indicators. The intervention descriptions were not provided to be replicated, and the information for the measurement were not provided in details. The description for the baseline and internal validity were not provided in details. Based on the results, the implication for educating students with LD and future research issues were discussed.
소비자생활협동조합 조합원의 참여인식과 소비행위의 참여적 성격 탐색: 비활동가 조합원을 중심으로
이예나 ( Lee Ye-na ),이상훈 ( Lee Sang-hoon ) (사)한국협동조합학회 2021 韓國協同組合硏究 Vol.39 No.1
본 연구는 생협 조합원들이 인식하는 참여의 의미를 탐색적으로 파악함으로써 조합원 소비행동의 참여적 성격을 밝히고자 하였다. 먼저 공동가치창출(value co-creation) 및 프로슈머(prosumer), 윤리적 소비를 통한 사회적 참여의 개념을 아우르는 선행연구를 바탕으로 소비자 참여와 생협에서의 소비행동이 갖는 참여적 의미를 설명하였다. 이를 바탕으로 생협 조합원의 참여인식이 소비행동을 통한 공동가치창출 참여와 사회적 가치 추구를 위한 윤리적 소비 참여와 연관되는지 파악하기 위해 연구문제를 제안하였다. 이를 확인하기 위해 조합의 조직활동에 참여하지 않는 조합원들을 대상으로 한 개별 심층 면담을 진행하고, 녹취된 면담자료를 분석하였다. 분석 결과, 조합원들은 소비를 통해 조합 및 생산자와 상호작용하거나 생협의 운영에 도움이 되는 구매 및 소비를 하는 방식으로 생협에 참여한다고 인식하고 있었으며, 구매행동 이외에 홍보나 캠페인 참여 등 생협의 가치창출에 기여하는 자발적 행동을 수행하고 있었다. 또한 생협에서의 소비가 윤리적 소비로서 사회적 차원에서 지속가능성과 공공성에 기여하는 사회적 참여행동이 될 수 있음을 인식하고 있었다. 결론적으로 소비를 통해 생협에 참여하고 있다는 조합원의 인식은 그들의 일상적인 조합 이용(소비)과 연관되어 있으며, 이를 통해 생협 조합원의 소비행동은 생협의 공동가치창출에 참여하는 것일 뿐 아니라 생협이라는 장(場)을 매개로 사회적으로 가치 있는 소비에 참여하는 행동이라고 볼 수 있다. This study tries to discover the participatory nature of consumer co-operative member’s consumption behavior by exploring the meaning of participation perceived by cooperative members. As the first step, this study explains the concept of consumer participation and participative meaning of consumption behavior in consumer co-operative based on previous researches related to consumer value co-creation, prosumer, and social participation with ethical consumption. With these understanding, two research questions are suggested: how is the consumer co-operative member’s recognition on participation related to (1) their consumption which contributes to value co-creation process for co-operative and, (2) a social participation through ethical consumption. To answer these questions, in-depth interviews were conducted with members who did not participate in the co-operative activities. The recorded interviews are transcribed and analysed. The results show that the members recognized that they were participating in the co-op through consumption, by the way of interaction with producers and cooperative via consumption. In addition, they were performing voluntary actions that contributed to the value creation of the co-op such as word-of-mouth and campaign besides purchasing actions. They also recognized that consumption in cooperatives can be a participatory action that contributes to sustainability and publicity at the social level. In conclusion, the recognition of members that they are participating to co-operative through consumption is closely related to their daily use(consumption) at co-operative. Therefore, the consumption behavior of cooperative members is not only participating value co-creation of co-operative, but also participating in socially valuable consumption.
간호 · 간병통합서비스에 대한 환자 만족 인식 유형: Q방법론적 접근
이예나(Lee, Ye-Na),김지형(Kim, Jeehyoung),고건(Go, Geon),강푸름(Kang, Purum) 한국간호행정학회 2021 간호행정학회지 Vol.27 No.5
Purpose: This study examined the subjective frame of patient satisfaction in the comprehensive nursing care services and explored future directions by investigating subjective frame types. Methods: P-Samples were collected from 30 patients who underwent the comprehensive nursing care service. To enable a forced normal distribution, 31 Q-samples were classified on a 9-point scale considering the degree of agreement. The collected data were analyzed by principal component factor analysis and varimax rotation using the PQ method program. Results: The subjective frame of patient satisfaction with the comprehensive nursing care service was divided into four types. Considering the characteristics of each, the types were labeled as “the formation of relationships with the surroundings”, “autonomous decision-making”, “non-verbal empathy”, and “therapeutic support resources”. Each type can be classified into therapeutic relationship and therapeutic process categories. Conclusion: This study revealed changes in expectations regarding new medical services and that the subjective frames that affect the formation of satisfaction are diverse. The study results are expected to be used as basic data to develop strategies for creating a therapeutic environment that improves patient satisfaction in the comprehensive nursing care service.
DC 배전계통 내 DC 분전함의 EMC 위험요소 및 시험결과 분석
이예나(Ye-na Lee),조영만(Young-maan Cho) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.11
Recently, as systems such as solar power, ESS(Energy storage system), and smart grid have been in the spotlight, research on DC power distribution systems connected thereto has also been actively conducted. However, in order to apply the d.c. power distribution system to the final load of the used building, a power distribution panel using SSCB(Solid state circuit breaker) specialized in DC interruption is required. In addition, d.c. distribution is known as clean EMC(Electromagnetic Compatibility) as well as reducing insulation costs, but in the current situation, a.c. and d.c. are mixed and there is a risk of causing many EMC problems. In particular, SSCB, which is important in d.c. power distribution, is a PWM(Pulse width modulation) switching method using IGBT(Insulated gate bipolar transistor) and has more EMC noise than the conventional d.c. circuit breaker. In this paper, EMC risk factors of SSCB distribution panel used in the a.c. / d.c. transmission and distribution systems are analyzed and tests to verify them.