Ethnic Minorities in China’s Western Development Plan

Jihyeon Jeong 서울대학교 국제학연구소 2015 Journal of International and Area Studies Vol.22 No.1

Ethnic unrest within China’s borders is commonly linked to problems of regional underdevelopment, yet ethnic minority issues have rarely been examined in the context of the PRC’s regional economic development plans. What is the political logic of China’s development in terms of minority policy? What resources are distributed, and where are they allocated? Here, I attempt to answer these questions in light of the Western Development Plan (WDP, xibudakaifa), China’s largest regional development plan to date. I argue the WDP functions as a control mechanism of ethnic unrest by distributing resources selectively to key minority areas.

Requirement of AMPK activation for neuronal metabolic-enhancing effects of antidepressant paroxetine

Jeong, Jihyeon,Park, Minsun,Yoon, Jeong Seon,Kim, Hyunjeong,Lee, Su Kyoung,Lee, Eun,Namkoong, Kee,Kim, Eosu Wolters Kluwer Health | Lippincott Williams Wilkin 2015 NEUROREPORT - Vol.26 No.7

Reduced glucose metabolism has been implicated as a pathophysiology of depressive disorder. Normalization of such impaired neurometabolism has been related to the therapeutic actions of antidepressant medication. However, the molecular mechanism underlying the neurometabolic actions of antidepressants has not been fully understood. Given that AMP-activated protein kinase (AMPK) is a master switch for energy homeostasis, we aimed to determine whether selective serotonin reuptake inhibitor paroxetine enhances energy metabolism by activating AMPK in neuroblastoma cells. We found that paroxetine dose dependently increased mitochondrial biogenesis, which involves the AMPK–peroxisome proliferator-activated receptor-&ggr; coactivator-1α pathway. In addition, paroxetine-induced AMPK activation increases glucose uptake and ATP production. These neurometabolic effects of paroxetine were suppressed by cotreatment with compound C (CC), an AMPK inhibitor. These findings suggest a possibility that modulation of the AMPK pathway might be a previously unrecognized mechanism underlying the neurometabolic action of antidepressants. Further study is warranted to examine the region-specific and time-specific effects of AMPK modulation by antidepressants on mood-related behaviors.

Prediction of the days in hospital for next year using ensemble learning

Jihyeon Jeong,Chun Gun Park,Kyeong Eun Lee 한국데이터정보과학회 2020 한국데이터정보과학회지 Vol.31 No.2

There are many difficulties in predicting problems in real life with an individual model. In order to solve these problems, we use combined these models using an ensemble learning. Combined models can be applied to the prediction of the number of days in hospital. In this paper, we use the 2011 National Sample Cohort Database to construct a combined model using an ensemble learning and predict the number of days in hospital in 2013. Also, we consider the zero inflated poisson models and hurdle poisson models considering that the days in hospital as the response variable have excess zeros. For the problem of overdispersion, we consider the zero inflated negative binomial models and hurdle negative binomial models. As baseline models, we consider the generalized additive models and the generalized linear models using the poisson and negative binomial distributions. Finally, we consider the combined models using ensemble learning. We use the National Sample Cohort Database by National Health Insurance Service and apply eight models to this data. Finally, we suggest the best prediction model by the accuracy criterion of the root mean squared logarithmic error which penalizes an under-predicted estimate greater than an over-predicted estimate.

The State, the All-China Women`s Federation, and the Women`s Rights Movement : The Fragmentation of State Feminism in the PRC, 1920-1995

Jihyeon Jeong(정지형) 동아시아국제정치학회 2015 국제정치연구 Vol.18 No.1

International Women’s Day, 2015 was marked by a clash between women’s rights organizations and the state in China, drawing academic attention to research on state feminism in the PRC. This article argues an inherent conflict exists between the goal of the Chinese Communist Party to maintain power, the goals of the All-China Women’s Federation and the needs and realities of the women’s rights movement in China. It traces the development of the alliance between the Chinese Communist Party and the women’s rights movement since inception in the 1920s up to 1995. In the process the article takes issue with the assumption of monolithic state feminism in not only the PRC context but also in socialist state feminism, showing that the conflicting governmental and societal actors who make up the process of state feminist policy-making and implementation exhibit fragmentation, rather than unity. This analysis holds important implications for the nature of state-society relations in China, state feminism in socialist regimes, and the transnational women’s rights movement.

Arrangement of array microphones for hearing-aids based on delay-weight-sum beamforming methods

Jihyeon Jeong,Youngjin Park 제어로봇시스템학회 2014 제어로봇시스템학회 국제학술대회 논문집 Vol.2014 No.10

Protein Kinase CK2 Is Upregulated by Calorie Restriction and Induces Autophagy

Jeong-Woo Park,Jihyeon Jeong,Young-Seuk Bae 한국분자세포생물학회 2022 Molecules and cells Vol.45 No.3

Calorie restriction (CR) and the activation of autophagy extend healthspan by delaying the onset of age-associated diseases in most living organisms. Because protein kinase CK2 (CK2) downregulation induces cellular senescence and nematode aging, we investigated CK2’s role in CR and autophagy. This study indicated that CR upregulated CK2’s expression, thereby causing SIRT1 and AMP-activated protein kinase (AMPK) activation. CK2α overexpression, including antisense inhibitors of miR-186, miR-216b, miR-337-3p, and miR-760, stimulated autophagy initiation and nucleation markers (increase in ATG5, ATG7, LC3BII, beclin-1, and Ulk1, and decrease in SQSTM1/p62). The SIRT1 deacetylase, AKT, mammalian target of rapamycin (mTOR), AMPK, and forkhead homeobox type O (FoxO) 3a were involved in CK2-mediated autophagy. The treatment with the AKT inhibitor triciribine, the AMPK activator AICAR, or the SIRT1 activator resveratrol rescued a reduction in the expression of lgg-1 (the Caenorhabditis elegans ortholog of LC3B), bec-1 (the C. elegans ortholog of beclin-1), and unc-51 (the C. elegans ortholog of Ulk1), mediated by kin-10 (the C. elegans ortholog of CK2β) knockdown in nematodes. Thus, this study indicated that CK2 acted as a positive regulator in CR and autophagy, thereby suggesting that these four miRs’ antisense inhibitors can be used as CR mimetics or autophagy inducers.

탐구 학습 현장화를 위한 대안적 탐구 활동 설계 연구

정지현 ( Jeong Jihyeon ),신희성 ( Sin Huiseong ) 고려대학교 한국어문교육연구소 2017 한국어문교육 Vol.22 No.-

이 연구는 탐구 학습 현장화를 위하여 새로운 탐구 학습 모형을 개발하는 것을 목적으로 한다. 문법 교육에서 학습의 가장 중요한 목적은 언어적 민감성을 발달시키는 것이라고 보고 이 목적을 실제로 실현시키기 위하여 탐구 학습을 교실 현장에서 사용할 수 있도록 발전시키는 작업이 필요하다고 판단하였다. 이 연구에서는 이를 위하여 기존의 탐구 학습과 동일한 철학적 지향점을 가지고 있는 문법 학습 모형을 분석하고 이를 적용하기 위하여 단어 `사랑`의 의미를 분석하였다. 분석 결과 탐구 학습의 복잡한 절차를 단순화할 수 있는 가능성이 발견되었다. 이를 `사랑`의 의미 분석작업에 적용시켜 새로운 탐구 학습 모형을 제시하였다. 학습자들은 이 모형에 의한 학습을 통해 제시된 몇 가지 질문에 답하면서 언어의 실재 세계에 존재하는 다양한 현상들에 대하여 인식할 수 있다. 결과 분석을 통해 최종적으로, 단어의 의미에 대한 탐구가 현장에서 탐구 학습을 현실화하는 데에 중요한 부분임을 강조하였다. This study aims to suggest advanced content for education so that it can be used for Inquiry Study. We think one of the most important goals in teaching grammar is developing linguistic sensitivity. In order to realize this, we need to develop models for inquiry study. In this study, models for studying grammar, directed toward the same philosophical goals conventional inquiry study, have been analyzed and in order to apply the result, the meaning of the word, `love(sarang)` has been analyzed. The analysis shows there could be possibility of simplifying inquiry process. So we applied this process to our new inquiry study model. With this new model, students can recognize various linguistic phenomena in the real world by answering some questions. We emphasized that Inquiry about meaning of words can play an important role in realizing inquiry study in schools.

머리 움직임 정보를 이용한 헤드폰 기반의 외재화 음원 모사

정지현(Jihyeon Jeong),박영진(Youngjin Park) 한국소음진동공학회 2015 한국소음진동공학회 학술대회논문집 Vol.2015 No.4

포토텔링을 활용한 한국어 학습자의 문화 리터러시 경험의 의미

정지현 ( Jeong Jihyeon ) 인하대학교 교육연구소 2017 교육문화연구 Vol.23 No.4

이 연구는 포토텔링을 활용한 문화 리터러시 교수·학습을 소개하고, 문화수업에 참여한 한국어 학습자의 경험의 의미를 통하여 문화 리터러시 신장을 위한 실천 방안을 제시하는 것이다. I대학교 언어교육원 6급에 재학 중인 한국어 학습자 8명은 2017년 3월 31일 `전주한옥마을` 문화수업에 참여하였다. 한국어 학습자들은 `가장 흥미 있는 문화`, `고향의 문화와 유사한 문화`, `고향의 문화와 다른 문화`, `새로 알게 된 문화`에 대하여 포토텔링하였다. 그리고 포커스그룹 인터뷰를 통해 한국어 학습자들은 `한복을 통해 보다 가까워진 한국 문화`, `고향의 정취를 느끼게 해 준 한옥마을`, `전주에서 배워서 알게 된 조선의 역사`라는 한국 문화 리터러시에 대한 경험의 의미를 생성하였다. 연구를 통해, 한국어 학습자의 문화 리터러시 신장을 위한 교육적 실천 방안으로 문화수업을 보다 효과적으로 활용할 수 있는 체계적인 검토가 이루어져야 할 것을 제안하였다. The purpose of this study is to introduce teaching and learning of cultural literacy using photo-telling and to provide practical suggestions for the improvement of cultural literacy through the meaning of experiences of Korean language learners who participated in Field Trip. Eight Korean language learners, who were attending the 6th grade of the I University Language Education Center, participated in the "Jeonju Hanok Village" in Field Trip on March 31, 2017, and they did photo-telling about `The most interesting culture`, `Culture similar to hometown culture`, `Culture different from hometown culture`, `Newly learned culture`. And through the focus group interviews, Korean language learners have created meaningful experiences on Korean cultural literacy such as `Intimacy of Korean culture through Hanbok`, `Hanok Village with a feeling of hometown`, and `History of Chosun learned in Jeonju`. This study suggests that a systematic consideration is necessary to more effectively utilize Field Trip as an educational practice for Korean language learners` enhancement of cultural literacy.

교과서에 실린 예시 단어의 사용 빈도와 전형성 분석

정지현 ( Jihyeon Jeong ),김승정 ( Seungjeong Kim ),신희성 ( Heeseong Shin ) 국어교육학회 2015 國語敎育學硏究 Vol.50 No.3

이 연구에서는 2011 교육과정에 따른 중학교 교과서 14종을 대상으로 하여서 단어 형성법 단원 파생어 내용을 설명하면서 실린 예시 단어의 빈도와 전형성을 분석하였다. 분석의 범위를 교과서 개념 이해 영역에서 다루어진 예시 단어로 국한하였다. 파생어 사용 빈도 분석 결과, 접두 파생어 중 사용 빈도가 높은 5개는 차례로 ‘치솟다(323), 맨발(221), 짓밟다(201), 한여름(195), 참기름(170)’이었고 사용 빈도가 0-2인 파생형이 ‘덧버선, 풋김치, 개철쭉’ 등 24개가 있었다.접미 파생어 중 사용 빈도가 높은 5개는 차례로 ‘손님(2500), 놀이(1613), 길이(1156), 높이(920), 날개(876)’이었고 사용 빈도가 0-2인 파생형이 ‘구두장이(2), 먹보(1), 잠보(1), 침질(1), 꾀보(0)’의 5개가 있었다. 전형성 분석 결과, 접사에서는 다른 범주와의 경계가 모호한 접두사로 ‘늦-’, ‘참-’이 있었고 다른 범주와의 경계가 모호한 접미사로 ‘-님’, ‘-기’가 있었다. 파생어에서는 공시적으로 ‘어근+접사’ 구성이 아닌 파생어 ‘풋내기’가 교과서에서 사용되었음이 밝혀졌다. 빈도와 전형성 분석 결과 빈도에 따라 예시 단어가 재검토되어야 하고 이때 접사 빈도와 파생어 빈도뿐만 아니라 어근 빈도 또한 복합적으로 고려되어야 함이 논의되었고 빈도와 전형성에 있어 그 정도가 불일치하는 단어의 경우 개념 이해 단계가 아닌 탐구 단계에서 다루어져야 한다고 하였다. The purpose of this study is to analysis frequency and typicality of example words used in textbooks. We use 14 textbooks corresponding 2011 educational curriculum for analysis and the unit we examined was about word formations, especially derived words. the scope of this study was limited to areas of understanding of the concepts. The result of analysis of derived words is summarized as follows. Top5 derived words by prefix on frequency were ‘치솟다(323), 맨발(221), 짓 밟다(201), 한여름(195), 참기름(170)’, and ‘0-2’ frequency were 24 words included ‘덧버선, 풋김치, 개철쭉’ etc. Top 5 derived words by suffix on frequency ‘손님(2500), 놀이(1613), 길이(1156), 높이(920), 날개(876)’, and ‘0-2’ frequency were ‘구두장이(2), 먹보(1), 잠보(1), 침질(1), 꾀보(0)’. The resultof analysis of typicality is summarized as follows. The prefixes which blur the boundaries were ‘늦-’, ‘참-’, and the suffixes were ‘-님’, ‘-기’. Also, There is a ‘풋내기’ which was not composed of ‘root+affix’ synchronically. We discussed about result of analysis of frequency and typicality. 1) Example words used textbook must be reexamined on results of analysis of frequency. 2) The root frequency is also concerned. 3) Words which have the discrepancy between frequency and typicality are included in areas of inquiry learning not understanding of concepts.