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Lee, Jun Ho,Byun, Min Soo,Yi, Dahyun,Choe, Young Min,Choi, Hyo Jung,Baek, Hyewon,Sohn, Bo Kyung,Lee, Jun-Young,Kim, Hyun Jung,Kim, Jee Wook,Lee, Younghwa,Kim, Yu Kyeong,Sohn, Chul-Ho,Woo, Jong Inn,Lee PERGAMON PRESS LTD 2017 NEUROBIOLOGY OF AGING Vol. No.
<P><B>Abstract</B></P> <P>This study aimed to examine the sex-specific association between serum sex hormones and gonadotropins and the cerebral beta-amyloid (Aβ) burden and hippocampal neurodegeneration in subjects with normal cognition and impaired cognition. Two hundred sixty-five older subjects received clinical assessments, serum measurements of sex hormones, gonadotropins, <SUP>11</SUP>C-Pittsburgh compound B-positron emission tomography, and magnetic resonance imaging. In females, higher free testosterone and gonadotropin levels were associated with lower cerebral Aβ positivity. In males, free testosterone was positively related to hippocampal volume with significant interaction with cognitive status. Further subgroup analyses showed that the association was significant only in impaired cognition but not in normal cognition. Free estradiol was not associated with Aβ burden or hippocampal neurodegeneration in either sex. These results suggest that testosterone might inhibit the early pathological accumulation of Aβ in females and delay neurodegeneration in males.</P>
Younghwa Lee,Sukki Yoon,Youngwoo Lee,Marla B. Royne 글로벌지식마케팅경영학회 2016 Global Marketing Conference Vol.2016 No.7
We study liberals and conservatives in the United States and Korea to see how they respond to charity advertising that appeals to either equality or proportionality. The findings robustly demonstrate that in both countries, liberals respond more favorably to equality appeals, but conservatives respond more favorably to proportionality appeals. Study 1, conducted in the United States, finds that liberals find equality appeals more effective, but conservatives find proportionality appeals more effective. Study 2, conducted in Korea, shows that liberals (conservatives) estimate that they are more (less) likely to receive rewards for donating when charity advertising uses equality rather than proportionality appeals.
Intravenous fluid prescription practices among pediatric residents in Korea
Lee, Jiwon M.,Jung, Younghwa,Lee, Se Eun,Lee, Jun Ho,Kim, Kee Hyuck,Koo, Ja Wook,Park, Young Seo,Cheong, Hae Il,Ha, Il-Soo,Choi, Yong,Kang, Hee Gyung The Korean Pediatric Society 2013 Clinical and Experimental Pediatrics (CEP) Vol.56 No.7
Purpose: Recent studies have established the association between hypotonic fluids administration and hospital-acquired hyponatremia in children, and have contended that hypotonic fluids be removed from routine practice. To assess current intravenous fluid prescription practices among Korean pediatric residents and to call for updated clinical practice education Methods: A survey-based analysis was carried out. Pediatric residents at six university hospitals in Korea completed a survey consisting of four questions. Each question supposed a unique scenario in which the respondents were to prescribe either a hypotonic or an isotonic fluid for the patient. Results: Ninety-one responses were collected and analyzed. In three of the four scenarios, a significant majority prescribed the hypotonic fluids (98.9%, 85.7%, and 69.2%, respectively). Notably, 69.2% of the respondents selected the hypotonic fluids for postoperative management. Almost all (96.7%) selected the isotonic fluids for hydration therapy. Conclusion: In the given scenarios, the majority of Korean pediatric residents would prescribe a hypotonic fluid, except for initial hydration. The current state of pediatric fluid management, notably, heightens the risk of hospital-acquired hyponatremia. Updated clinical practice education on intravenous fluid prescription, therefore, is urgently required.
Exploring the Talk in EFL Students’ Peer Feedback
Younghwa Lee 팬코리아영어교육학회(구 영남영어교육학회) 2011 영어교육연구 Vol.23 No.1
Peer feedback (PF) can be an important component in teaching and learning writing. This study investigated the content of PF and students’ perspectives about PF in two EFL writing classrooms at a Korean university. The data comprise sixty-five students’ written comments and their opinion writing on PF. The findings reveal that students’ comments included mainly ‘statements’ and ‘praises’ with significant high scores. The strengths of PF were students’ ‘knowledge about concepts’ for getting ideas and recognition of their grammatical problems through peers’ work. Regarding weaknesses of PF, students felt that their peers were not qualified to revise the grammatical aspects and tended to distrust their peers’ recommendations. As an ideal type of feedback, students preferred anonymous PF to teacher feedback. These findings show the importance of choosing not only what ways of PF are effective in a given context, but what effect of the selected way might have on the improvement of students’ writing.
Younghwa Lee,Sukki Yoon,Kacy Kim 글로벌지식마케팅경영학회 2018 Global Marketing Conference Vol.2018 No.07
This research examines the impact of closing versus opening eyes on consumers’ decision making as to whether the decision context is driven by utilitarian versus hedonic motivation. The findings from three studies show that consumers processing advertising messages with their eyes closed are likely to use high-level, abstract processing, and thus more positively evaluate the utilitarian products (vs. the hedonic products). On the contrary, consumers with their eyes open are likely to use low-level, concrete processing, and thus more positively evaluate the hedonic products (vs. the utilitarian products). Implications for consumers and marketers are discussed.
Younghwa Lee,Seon Jae Kim 한국콘텐츠학회(IJOC) 2010 International Journal of Contents Vol.6 No.2
This study aims at investigating the linguistic and educational factors affecting TOEFL scores, focusing on three OECD countries, Korea, Japan, and Finland. The data comprise document analysis on curriculums, websites, and literature. The findings reveal that the number of Korean test-takers and their TOEFL scores gradually increased year by year. Finnish test-takers consistently gained greatly high scores, and Japanese examinees showed the lowest scores. The languages Korean, Japanese, and Finnish are all far distant from English and receive little support on historical grounds from the Indo-European family tree. In Finland, however, Swedish which belongs to Indo-European languages is still used as an official language with Finnish. Korea and Finland adopt English education from Year 3 in primary school, whereas English is not an official subject in primary school at present in Japan. Finnish students are taught a foreign language in addition to English from primary school. These seem to support the result of the high TOEFL scores of Finnish test-takers. This study concludes that social context which includes linguistic and educational environments are the main factors which affect TOEFL scores.
( Lee Younghwa ),( Yun Sung Kyu ),( Park Chaehee ),( Kim Sangbok ) 한국현대언어학회 2017 언어연구 Vol.33 No.3
This study aims at investigating the characteristics of the rhetorical patterns in opinion writing produced by the students across different family language groups in the multicultural Korean language program at a university in the US. The participants were 40 students from a variety of language environment such as Korean, English, Chinese, Japanese, Vietnamese and others. The data comprised questionnaire and English writing products from the students, and the students’ written texts were analyzed based on meaning-making and Toulmin’s six elements, claim, data, warrant, backing, qualifier, and rebuttal. The findings revealed that the English group established the highest number of the Toulmin elements, whereas the Korean group adopted them the least amount. The Chinese and other groups shared the elements with similar numbers. It is concluded that the students from heritage languages adopted similar approaches in establishing their meaning-making and rhetorical patterns for English writing. Thus, a central part of the learning process for students should be concerned with ‘way of knowing’ in the given context. (Sun Moon University ? University of Colorado Boulder)