Hyun-Ji Kim
Yonsei University · Psychology
About the Lab
Professor Hyun-Ji Kim's research lab focuses on interdisciplinary health and social sciences, with a strong emphasis on medical imaging optimization, environmental toxicology, and psychosocial aspects of health and well-being. The lab investigates radiation dose reduction in CT imaging using advanced reconstruction techniques, examines the biological and histological impacts of environmental endocrine disruptors like phthalates on thyroid function, and explores psychosocial factors influencing health behaviors and social inclusion—particularly through community-based activities such as tennis clubs and mental health stigma reduction. The lab employs mixed-methods approaches, combining quantitative imaging analysis, animal toxicology studies, and qualitative research such as phenomenological interviews and text mining of media discourse.
Research Overview
Research Output Trend
Figures are computed from collected data and may differ slightly.
Selected Papers
15Purpose: To investigate the optimal blending percentage of adaptive statistical iterativereconstruction (ASIR) in a reduced radiation dose while preserving a degreeof image quality and texture that is similar to that of standard-dose computed tomography (CT). Materials and Methods: The CT performance phantom was scanned with standard and dose reduction protocols including reduced mAs or kVp. Image quality parameters including noise, spatial, and low-contrast resolution,as well as image texture,
Phthalates widely used in the manufacture of plastics have deeply penetrated into our everyday lives. Recently, a concern over the toxicity of phthalates on thyroid, has been raised but in most of cases, the doses employed were unrealistically high. To investigate the effects of phthalates on thyroid, we investigated the effects of the repeated oral exposure to low to high doses (0.3, 3, 30 and 150 mg/kg) di-2-ethylhexylphthalate (DEHP) from weaning to maturity for 90 days in juvenile rats on th
본 연구의 목적은 테니스 동호회 활동을 통한 동호회 참여 동기와 사회관계 형성, 지속적 참여요인을 분석하는데목적이 있다. 이를 위해 테니스 동호회에 적극적으로 참여하는 회원 6명을 유목적 표집법(purposeful sampling)을이용하여 연구대상으로 선정하고, 연구 참여자들과의 라포 형성을 위해 현장을 방문하여 동호인들과 함께 어울려활동에 참여하면서 현장에 대한 참여관찰과 연구 대상자들과의 심층면담을 실시하여 도출된 결과를 바탕으로 여가의질적연구방법 중 하나인 현상학적방법으로 분석하였다. 결과는 다음과 같다. 첫째, 동호회 활동 참여 동기는 연구참여자 모두 가족, 친구 그리고 레슨코치의 권유와 개인의 체력향상과 건강유지를 위한 것으로 나타났다. 둘째, 새로운 사람들과의 관계를 형성하며, 그 속에서 공통된 문화를 형성하고, 정보를 공유하며, 또 다른 사회관계를 형성하기위한 것으로 나타났다. 셋째, 참가자들은 활동에 몰입하여 참여함으로써 행하는 운동에 대한 즐거움을 느끼고, 지속적인
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질환자에 대한 사회적 낙인을 제거하기 위해 2011년, 대한의사협회는 정신분열병을 ‘조현병’으로 개정하였다. 병명을 변경한 지 약 9년이 지났지만 실제로 사회적 인식이 어느 정도 변화하였는지 정량적으로 분석한 연구는 아직 없다. 이에 본 연구에서는 병명 개정에 따른 조현병에 대한 사회적 인식 변화를 확인하고자 네이버 뉴스 기사를 수집․분석하였다. 텍스트 분석에는 LDA 토픽 모델링, TF-IDF, 동시출현 단어, 감성분석 기법을 사용하였다. 분석 결과, 병명 개정 전보다 후에, 그리고 병명 개정 후 병용되는 정신분열병과 조현병 중 조현병에 대한 사회적 인식이 더 부정적인 것으로 나타났다. 즉, 병명 개정이 낙인을 해소하지 못했음을 알 수 있었다.
The aims of the study were to examine the factor structure of the job stress for the short term secondary physical teachers. We interviewed seven participants and we categorized the context through the theoretical paradigm which are deducted by grounded theoretical approach. The result was as follows. Dreaming of a stable occupation, the short term teachers started the job but the uncertain future, stressful job circumstance etc. existed in the real field. They were eager for the teacher recruit
The purpose of this study was to identify relationship between leisure motivation, leisure satisfaction and leisure constraints negotiation of urban women workers. By using non-probability sampling method, total of 283 questionnaires were analyzed with following methods using window SPSS 18.0 as analyzed tool; reliability analysis, exploratory factor analysis, correlation analysis and multiple regression analysis was performed and the results driven from the research are as follows. The first, t
본 연구의 목적은 테니스 동호인을 대상으로 여가태도가 스포츠몰입에 미치는 영향을 규명하는 것이다. 동호회오프라인 모임과 동호인 시합현장에 설문지를 배부하여 총 283부의 설문지를 회수, 그 중 연구에 부적합 하다고판단되는 5부의 설문지를 제외한 278부의 설문지를 실제 분석에 사용하였다. 본 연구는 LAS와 정용각의 스포츠몰입도 척도를 측정도구로 사용하여 SPSS 17.0 한글버전 통계 패키지를 사용해 요인분석, 상관관계분석, 중다회귀분석을 실시하였다. 연구 결과 첫째, 여가태도의 하위요인인 인지적 태도는 스포츠몰입에 거의 영향을 미치지 않았다. 둘째, 여가태도의 하위요인인 정서적 태도는 스포츠 몰입에 영향을 미쳤다. 셋째, 여가태도의 하위요인인행동적 태도는 스포츠 몰입에 영향을 미쳤다. 본 연구를 통해 테니스 동호인의 여가태도가 스포츠 몰입에 중요한변수로 작용함을 확인하였다. 여가활동에 대한 개인의 긍정적 태도가 확립된다면 한국의 생활체육이 더욱 더 활성화되는 긍정적 결과를 가져올
Objectives: We investigated the method of application of dose-response assessment of Doemstiv industry to present occupational health protection target level. Methods: Melnick data and NTP data using data, deterministic methods and probabilistic approaches were compared. Results: The value of 1.3 ppm, the reference concentration utilizing the NTP data was suggested for the health protection target level Conclusions: The dose-response assessment based on Isoprene revealed that the most important
This dissertation work aims to explore multimodal strategies of politeness in Korean and Japanese by investigating 7 hours of spoken and visual data produced by Korean and Japanese speakers. The analysis particularly deals with ways of controlling density of lexical information, use of kinetic cues and manipulation of gestural space in deferential and non-deferential situations. To begin, the first study examines how speech in interactions with a status-superior and a status-equal differ in the
We represent a pathologically proven case of a four-year-old male patient with renal cell carcinoma associated with Xp11.2 translocation/TFE3 gene fusion, which is rare but more frequent in children or young adults. Computed tomography showed about 2.5 cm size ill-defined mass in the right kidney. The mass was hyperechoic on ultrasound. Magnetic resonance imaging demonstrated a mass with capsular enhancement and diffusion restriction. We present a case of Xp11.2 renal cell carcinoma and provide
The authors present a rare case of papillary carcinoma arising from the pyramidal lobe of the thyroid in a 54-year-old woman, who presented with a right submental pal-pable mass. An ultrasound evaluation depicted a 3 cm mixed echoic mass from the thyroid cartilage level without a focal lesion in the thyroid gland. Surgical specimens obtained during bilateral thyroidectomy confirmed papillary carcinoma of the pyramidal lobe. To the authors’ knowledge, this is the first case report to describe pap
Purpose: To describe imaging features of infratentorial desmoplastic infantile or non-infantile tumors (DIT/DNIT). Materials and Methods: Four cases with infratentorial DIT/DNIT from our hospital and 5 cases from literature review were analyzed. Clinical data and MR imaging features were evaluated including location, size, shape, margin, composition, dural attachment, perilesional edema, and metastasis or multiplicity. Results: The mean age was 9.2 years (range, 1–18 years). Most of the patients
목적 : 본 연구는 모바일 앱 기반 우울, 불안, 웰빙 관련 정신건강 중재 연구를 중재의 대상, 유형과 기술적 요소를 체계적으로 고찰하여 임상 및 지역사회 현장에서 치료적 근거가 되는 자료를 제시하고자 한다. 방법 : PubMed, Embase, Web of Science를 사용하여 2020년 1월부터 2025년 7월까지 게재된 논문을 대상으로 문헌을 검색하였다. 검색어는 (“mobile app” OR “smartphone app” OR “mHealth” OR “mobile health” AND “mental health” OR “depression” OR “anxiety” OR “loneliness” OR “well-being” OR “wellbeing”)이었다. 검색된 총 2,323편의 문헌 중 최종적으로 17편을 선정하였다. 결과 : 선정된 17편의 문헌에서 무작위대조군 연구로 파악되었으며, 대상자는 일반 성인, 정신건강 위험군, 임산부 등 특정 집단으로 구성되었다. 중재 기간
Background: Intracellular lipid deposition has been reported in thyroid glands in obese animal and human. To understand the regulatory mechanism of lipid metabolism in thyroid cancer, we investigated the expression status of liver X receptor (LXR) and analyzed its clinicopathological characteristics and molecular biological features. Methods: Expression status of LXR and its transcriptional targets in human cancers were analyzed using The Cancer Genome Atlas(TCGA). The gene-sets related to high
Research Areas
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