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탈수초화 동물 모델과 <sup>1</sup>H 자기공명분광영상
조한별,이수지,박신원,강일향,마지영,정현석,김지은,윤수정,류인균,임수미,김정윤,Cho, Han Byul,Lee, Suji,Park, Shinwon,Kang, Ilhyang,Ma, Jiyoung,Jeong, Hyeonseok S.,Kim, Jieun E.,Yoon, Sujung,Lyoo, In Kyoon,Lim, Soo Mee,Kim, Jungyoon 대한생물정신의학회 2017 생물정신의학 Vol.24 No.1
The proton magnetic resonance spectroscopy ($^1H-MRS$) is a tool used to detect concentrations of brain metabolites such as N-acetyl aspartate, choline, creatine, glutamate, and gamma-amino butyric acid (GABA). It has been widely used because it does not require additional devices other than the conventional magnetic resonance scanner and coils. Demyelination, or the neuronal damage due to loss of myelin sheath, is one of the common pathologic processes in many diseases including multiple sclerosis, leukodystrophy, encephalomyelitis, and other forms of autoimmune diseases. Rodent models mimicking human demyelinating diseases have been induced by using virus (e.g., Theiler's murine encephalomyelitis virus) or toxins (e.g., cuprizon or lysophosphatidyl choline). This review is an overview of the MRS findings on brain metabolites in demyelination with a specific focus on rodent models.
정상 성인에서 자극추구 기질에 따른 우측 편도체의 측기저 세부구조의 차이
조한별,김빈나,최지혜,전유진,김지현,정지영,임주연,이선혜,Cho, Han-Byul,Kim, Bin-Na,Choi, Ji-Hye,Jeon, Yu-Jin,Kim, Ji-Hyun H.,Jung, Ji-Young J.,Im, Joo-Yeon Jamie,Lee, Sun-Hea 대한생물정신의학회 2012 생물정신의학 Vol.19 No.2
Objectives : Novelty seeking (NS) represents a dopaminergically modulated tendency toward frequent exploratory activity. Considering the reports showing the relationship between exploratory activity and amygdalar function and structure, and the fact that amygdala is one of the key structures that constitute the dopaminergic pathway in the brain, amygdala might be closely related to NS tendencies. Amygdalar subregional analysis method, which has the enhanced sensitivity compared to the volumteric approach would be appropriate in investigating the subtle differences of amygdalar structures among healthy individuals. The aim of the current study was to examine whether amygdalar subregional morphometric characteristics are associated with the NS tendencies in healthy adults using the amygdalar subregional analysis method. Methods : Twenty-six healthy adults (12 males, 14 females ; mean age $29.8{\pm}6.2$ years) were screened for eligibility. All subjects completed the Korean version of the Temperament and Character Inventory (TCI) and underwent high-resolution brain magnetic resonance imaging. Individuals were divided into 2 groups according to NS scores of the TCI. Results : Individuals of the high NS group had significantly larger laterobasal subregions in right amygdala, after adjustment with the brain parenchymal volumes. Sensitivity analyses for each potential confounding factor such as age, education years and Hamilton Depression Rating Scale (HDRS) scores demonstrated consistent results. Conclusions : This study suggests that NS differences are associated with the laterobasal subregion of the amygdala.
조한별,김영훈,염아림,윤수정,Cho, Han Byul,Kim, Young Hoon,Yeom, Arim,Yoon, Sujung 대한생물정신의학회 2015 생물정신의학 Vol.22 No.3
Psychiatry has progressed with neurobiological basis, providing individually tailored treatment, preventing mental illness, and managing public mental health. Foundational knowledge that may contribute to the development of psychiatry and neuroscience has been attained through continual national and international investment in research. However, this knowledge obtained from neurobiological research is not being applied to clinical practice proactively. This may be due to a lack of support for translational research connecting neuroscience with clinical practice, and a lack of development and availability of educational programs for clinical psychiatrists. To solve these problems, it is essential to support translational research conducted by clinicians and to establish an appropriate reward system. Considering the direction of progress in psychiatry and the demand from clinicians, appropriate investment in research and education programs that provide neurobiological knowledge applicable to clinical practice is required. Researchers and educators must also communicate and collaborate to deliver neurobiological findings effectively.
대학교 재학생에서 Fatigue Severity Scale의 신뢰도 및 타당도 연구
이정현,정현석,임수미,조한별,마지영,고은,임주연,이선혜,배수진,이유진,류인균,정도언,Lee, Junghyun H.,Jeong, Hyeonseok S.,Lim, Soo Mee,Cho, Han Byul,Ma, Ji-Young,Ko, Eun,Im, Jooyeon J.,Lee, Sun Hea,Bae, Sujin,Lee, Yu-Jin,Lyoo, In Kyoon,Je 대한생물정신의학회 2013 생물정신의학 Vol.20 No.1
Objectives There are only a limited number of studies on instruments assessing fatigue in university students, although fatigue exerts negative influences on their health and academic performances and fatigue-related complaints are more frequently reported in young adults than middle-aged adults. The aim of this study was to validate the 9-item Fatigue Severity Scale (FSS) among university students including both undergraduate and graduate students in South Korea. Methods A total of 176 university students completed a battery of self-report questionnaires, including the FSS, the Brief Fatigue Inventory (BFI), the Beck Depression Inventory-II (BDI-II), the Beck Anxiety Inventory (BAI), the Medical Outcomes Study Short Form 36 version 2 (MOS-SF36v2), and the Inclusion of Community in the Self Scale (ICS). The data were collected from February of 2012 to June of 2012. The reliability, convergent validity, divergent validity, and exploratory factor analyses were conducted to assess psychometric properties of the FSS. Results The mean FSS score was 3.20 (standard deviation = 1.43). The FSS demonstrated an excellent internal consistency (Cronbach's ${\alpha}$ = 0.93) and item-total correlations ranged from 0.56 to 0.90. Correlations of the FSS with the BFI (r = 0.71, p < 0.01), BDI-II (r = 0.54, p < 0.01), BAI (r = 0.46, p < 0.01), MOS-SF36v2 physical component summary (r = -0.28, p < 0.01), MOS-SF36v2 mental component summary (r = -0.55, p < 0.01), and ICS (Spearman's rho = -0.07, p = 0.33) showed acceptable convergent and divergent validity. Exploratory factor analysis defined one underlying factor (eigenvalue = 5.67) that explained 93.50% of the total variance. Conclusions To the best of our knowledge, this is the first study to investigate reliability and validity of the FSS in university students. The FSS exhibits good psychometric properties for evaluation of fatigue among university students in South Korea. Since the FSS is easy to administer, score, and interpret, it could be a useful tool in research and practice for assessing fatigue among university students.
최지훈 ( Ji Hun Choi ),김현기 ( Hyun Ki Kim ),장시영 ( Si Young Jang ),이대우 ( Dae Woo Lee ),조한별 ( Han Byul Cho ),김상운 ( Sang Wun Kim ),김재훈 ( Jae Hoon Kim ),김영태 ( Young Tae Kim ),조남훈 ( Nam Hoon Cho ),김성훈 ( Sung H 대한산부인과학회 2008 Obstetrics & Gynecology Science Vol.51 No.11
Approximately 5% to 22% of malignant tumors involving the ovary are metastases, and the carcinomas of the gastrointestinal tract are responsible for 81% to 88% of these cases. A lung cancer, one of the most common malignancies and well known to metastasize widely, rarely metastasize to the ovary. There has been no report on small cell lung cancer metastasized to the ovary in Korea. Recently, we experienced a case of metastatic ovarian cancer originated from small cell lung cancer in 46-year-old Korean woman with which is confirmed with the immunohistochemistry. Herein we report the case with brief review of literature.