Mediating Effect of Depressive Symptoms on the Relationship between Adult Attention Deficit Hyperactivity Disorder and Quality of Life

JiYeong Seo,CheolSoon Lee,ChulSoo Park,BongJo Kim,BoSeok Cha,SoJin Lee,InYoung Ahn 대한신경정신의학회 2004 PSYCHIATRY INVESTIGATION Vol.1 No.2

Objective-The aim of this study was to investigate whether depressive symptoms affect the relationship between adult attention deficit hyperactivity disorder (ADHD) and the quality of life (QOL) in Korean soldiers. Methods-We evaluated past and present symptoms of adult ADHD (the Korean Adult Attention-Deficit/Hyperactivity Disorder Scale and the Wender Utah Rating Scale), depression (the Center for Epidemiological Studies Depression Scale) and QOL (the Korean version of the SmithKline Beecham ‘Quality of Life’ scale) in 131 soldiers during mental health screenings performed by a local mental health center. A structured equation model using AMOS 19.0 was used to evaluate the mediating effect of depression. Results-In our first model (without depressive symptoms), adult ADHD significantly affected QOL (standardized regression weight=-0.51, p<0.01). After depressive symptoms were added to this model, the direct effect of adult ADHD on QOL was not significant (standardized regression weight=0.10, p=0.43). Regarding the indirect effect, adult ADHD significantly affected depression (standardized regression weight=0.78, p<0.01), and depression also affected QOL (standardized regression weight=-0.79, p<0.01). Conclusion-Through structural equation modeling, the complete mediation model for the influence of depressive symptoms on ADHD and QOL was confirmed. These findings indicated that it might be important to consider comorbidities, such as depression, when adult ADHD is being evaluated.

The Type of Daily Life Stressors Associated with Social Media Use in Adolescents with Problematic Internet/Smartphone Use

Seo Jiyeong,Lee Cheol-soon,Lee Young-Ji,Bhang Soo-Young,Lee Dongyun 대한신경정신의학회 2021 PSYCHIATRY INVESTIGATION Vol.18 No.3

Objective This study investigated the types of daily life stressors associated with social media use in adolescents with problematic Internet/smartphone use in a city in Korea.Methods Data from 2,997 Internet and smartphone users who participated in a survey about the actual use of smart digital media in Korea were included. The measurement tools included questionnaires on Internet and smartphone usage patterns and types of daily life stressors as well as the Internet Gaming Use-Elicited Symptom Screen and a smartphone addiction scale. The subjects were divided into a problematic Internet/smartphone use group and a control group. We compared the types of daily life stressors associated with social media use for each group.Results All types of daily life stressors were more prevalent in the problematic Internet use group than in the control group. In the problematic Internet/smartphone use group, the types of daily life stressors that were positively associated with social media use were sibling rivalry and physical health. In the control group, social media use was negatively associated with daily life stressors related to appearance and heterosexual relationships.Conclusion There is a need to provide personalized stress management related to social media use for adolescents with problematic Internet/smartphone use.

긴급차량 운영 시 대기행렬을 고려한 회복신호 알고리즘 개발

서지영(SEO, Jiyeong),김동현(KIM, Donghyun),강성구(KANG, Seoungu),이주현(LEE, Juhyun),이선하(LEE, Seonha) 대한교통학회 2021 대한교통학회지 Vol.39 No.4

혼잡한 도심부 도로에서 교통사고나 재난 상황 시 시민의 안전을 위한 긴급차량 운행은 필연적이다. 긴급차량의 골든타임 확보를 위한 긴급차량 우선신호 시스템 시범 운영이 여러 도시에서 시행되고 있다. 하지만 긴급차량 우선신호로 인하여 일반차량들은 더 긴 지체시간을 경험하게 되고 고정된 주기로 인해 교차로 전체 지체시간 또한 증가하는 경향을 보인다. 본 논문에서는 긴급차량 우선신호 운영시간과 기존 현시의 중단시간을 산정하여 회복시간을 산정하고 긴급차량 통과 후 기존 신호시간에 회복시간을 제공하여 중단된 기존 현시에 대기하고 있던 일반차량의 지·정체 시간을 보상하였다. 회복시간 제공 시 긴급차량이 교차로를 통과한 후 해당 교차로의 방향별 대기행렬을 파악하여 우선적으로 신호 운영이 필요한 교통류에게 녹색신호를 우선 제공하거나 연장함으로써 일반차량의 지·정체를 감소시켜 교통흐름을 원활하게 하고자 한다. In the event of a traffic accident or disaster on a busy urban road, it is inevitable to operate an emergency vehicle for the safety of citizens. Trial operation of the emergency vehicle priority signal system to secure the golden time of emergency vehicles is being implemented in various cities. However, general vehicles experience a longer delay time, and the total delay time at the intersection due to the emergency vehicle priority signal. In this paper, a signal priority algorithm considering the queue length in each direction of the intersection was developed. The algorithm allows providing extended green time to compensate the traffic that has experienced longer delay.

재난피해여성의 회복탄력성에 따른 삶의 질 예측모형

서지영(Seo, Jiyeong),김민주(Kim, Minju) 한국성인간호학회 2021 성인간호학회지 Vol.33 No.6

Screening and Histopathological Characterization of Korean Carrot Lines for Resistance to the Root-Knot Nematode Meloidogyne incognita

Seo, Yunhee,Park, Jiyeong,Kim, Yong Su,Park, Yong,Kim, Young Ho The Korean Society of Plant Pathology 2014 Plant Pathology Journal Vol.30 No.1

In total, 170 carrot lines developed in Korea were screened for resistance to Meloidogyne incognita race 1 to select parental genetic resources useful for the development of nematode-resistant carrot cultivars. Using the gall index (GI), gall formation was examined on carrot roots inoculated with approximately 1,000 second-stage juveniles of the nematode 7 weeks after inoculation. Sixty-one carrot lines were resistant (GI ${\leq}1.0$), while the other 109 were susceptible (GI > 1.0) with coefficient of variance (CV) of GI for total carrot lines 0.68, indicating low-variation of GI within the lines examined. The histopathological responses of two carrot plants from resistant and susceptible lines were examined after nematode infection. In susceptible carrots, giant cells formed with no discernible necrosis around the infecting nematodes. In the resistant carrot line, however, no giant cells formed, although modified cells were observed with extensive formation of necrotic layers through their middle lamella and around the infecting nematodes. This suggested that these structural modifications were related to hypersensitive responses governed by the expression of true resistance genes. Therefore, the Korean carrot lines resistant to the nematode infection are potential genetic resources for the development of quality carrot cultivars resistant to M. incognita race 1.

Biological Control of Meloidogyne hapla Using an Antagonistic Bacterium

Park, Jiyeong,Seo, Yunhee,Kim, Young Ho The Korean Society of Plant Pathology 2014 Plant Pathology Journal Vol.30 No.3

We examined the efficacy of a bacterium for biocontrol of the root-knot nematode (RKN) Meloidogyne hapla in carrot (Daucus carota subsp. sativus) and tomato (Solanum lycopersicum). Among 542 bacterial isolates from various soils and plants, the highest nematode mortality was observed for treatments with isolate C1-7, which was identified as Bacillus cereus based on cultural and morphological characteristics, the Biolog program, and 16S rRNA sequencing analyses. The population density and the nematicidal activity of B. cereus C1-7 remained high until the end of culture in brain heart infusion broth, suggesting that it may have sustainable biocontrol potential. In pot experiments, the biocontrol efficacy of B. cereus C1-7 was high, showing complete inhibition of root gall or egg mass formation by RKN in carrot and tomato plants, and subsequently reducing RKN damage and suppressing nematode population growth, respectively. Light microscopy of RKN-infected carrot root tissues treated with C1-7 showed reduced formation of gall cells and fully developed giant cells, while extensive gall cells and fully mature giant cells with prominent cell wall ingrowths formed in the untreated control plants infected with RKNs. These histopathological characteristics may be the result of residual or systemic biocontrol activity of the bacterium, which may coincide with the biocontrol efficacies of nematodes in pots. These results suggest that B. cereus C1-7 can be used as a biocontrol agent for M. hapla.

유아교사의 사회적지지 및 원장의 변혁적 리더십과 교수몰입 간의 관계에서 삶의 만족도의 매개효과

조지영(Cho, Jiyeong),송주연(Song, JuYeon),서현아(Seo, HyunAh) 학습자중심교과교육학회 2020 학습자중심교과교육연구 Vol.20 No.9

본 연구는 유아교사의 사회적지지 및 원장의 변혁적 리더십이 유아교사의 교수몰입간의 관계에서 삶의 만족도가 매개하는가에 대한 효과를 분석하고자 실시되었다. 연구대상으로 유치원 교사 289명을 선정하였고 유아교사의 사회적지지, 원장의 변혁적 리더십, 삶의 만족, 그리고 교수몰입에 관한 설문조사를 실시하였다. 수집된 자료는 SPSS 23.0 프로그램을 사용하여 Pearson 적률상관분석, Baron & Kenny의 매개효과 검정, 다중공선성, 그리고 sobel test를 실시하였다. 연구의 결과 첫째, 유아교사의 사회적지지 및 원장의 변혁적 리더십은 전체적으로 교수몰입과 유의미한 정적상관이 있었다. 둘째, 유아교사의 삶의 만족은 두 개념 사이에서 부분적으로 유의미하게 예측하는 변인으로 나타났으며 부분적 매개효과를 가지는 것이 확인되었다. 본 연구를 통하여 유아교사의 사회적지지, 원장의 변혁적 리더십, 삶의 만족, 교수몰입이 상호상관이 있으며 사회적 지지와 변혁적 리더십이 교수몰입을 직접적으로 예측해 주는 변인이 될 수도 있고 그 과정에서 삶의 만족이 매개효과를 갖기도 하는 것으로 확인되었다. The purpose of this study was to analyze the effects of the satisfaction of life on the relationship between the social support of the early childhood teacher and the director s transformational leadership. We selected 289 kindergarten teachers in Busan, as the subjects of the study, and conducted a questionnaire on social support, transformational leadership, life satisfaction, and teaching commitment of early childhood teachers. Collected data were analyzed by Pearson product correlation, Baron & Kenny s mediating effect test, multicollinearity, and sobel test using SPSS 23.0 program. The results of the data analysis were as follows: First, the social support of the early childhood teacher and the transformational leadership of the director had a significant positive correlation with teaching commitment. Second, the satisfaction of life of early childhood teacher was found to be a meaningful predictor between the two concepts, and it was confirmed that it had a partial mediating effect.

형산강의 지화학적 특성 및 하천 퇴적물 오염도 평가

서민지(Minji Seo),류종식(Jong-Sik Ryu),최영진(Young-Jin Choi),이지영(Jiyeong Lee),나공태(Kongtae Ra) 대한지질학회 2022 대한지질학회 학술대회 Vol.2022 No.10

전처리법에 따른 미세먼지의 성분 및 동위원소 특성 연구

정석(Seok Jeong),이지영(Jiyeong Lee),서민지(Minji Seo),최영진(Youngjin Choi),장혜정(Hyejung Chang),류종식(Jong-Sik Ryu) 대한지질학회 2022 대한지질학회 학술대회 Vol.2022 No.10

Occult uterine sarcoma in presumed uterine leiomyomas

( Seonghye Park ),( Hyewon Seo ),( Jeong Namkung ),( Jiyeong Kwon ),( Chanju Kim ) 대한산부인과학회 2018 대한산부인과학회 학술대회 Vol.104 No.-

Objective: To investigate the risk of uterine sarcoma during uterine surgery in university hospital in Korea. Methods: Design: Retrospective cohort study Setting: Multicencet academic university hospitals Patients or Participants: Patients undergoing myomectomies performed for presumed uterine leiomyomas by gynecologists between 2010 and 2017. Interventions: All patients undergone myomectomy for presumed leiomyoma. Results: Measurements and Main Results: Total 3107 cases of myomectomy were identified using clinical databases. There were 2118 (68.2%) cases of laparoscopic/robot-assisted myomectomy, 989 (31.8%) cases of open myomectomy. We identified 32 uterine malignancies. In 3 cases, there was no evidence of a malignancy preoperatively and hiostologic comfirmed to uterine sarcomas postoperatively( all 3 cases were underwent open myomectomy) . Conclusion: Conclusion: A small risk(0.09%[3/3107]) of uteine sarcoma during myomectomy withour power morcellation was found in our study. We did not observe on occult case of sarcoma after laparoscopi/robot-assisted myomectomy with power morcellation. For these reasons, minimally invasive surgery with morcellation is still considerable option for treatment of myomas.