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전기경련 중격이 뇌내 Biogenic Amine 함량에 미치는 영향
윤경수,이경은,안영수,이호영 대한신경정신의학회 1991 신경정신의학 Vol.30 No.4
Electroconvulsive therapy has been used in the treatment o f major depression. Its effectiveness is estimated to be superior to that o f tricyclic antidepressants, particulary in severe, delusional endogenous depressions with suicidal ideation. It is reported that electroconvulsive shock(ECS) affects a variety o f putative neurotransmitters ; norepinephrine, dopamine, serotonin, acetylcholine, y-aminobutyric acid and endorphins. Since most studies were performed on whole brain or limited area of brain and measured only specific monoamine, changes in the levels o f biogenic amines in discrete brain regions or difference between the regions might have been masked. The present investigation was undertaken to elucidate the effects of single or repeated ECS on the regional levels of biogenic amines in rat brain and cerebrospinal fluid. The male Sprague-Dawley rats were used. After single or repeated ECS, blocks of tissue were obtained from the frontal cortex, corpus striatum, hippocampus, thalamus, and hypothalamus, immediately after the collection of cerebrospinal fluid from cisterma magna. The concentration of biogenic amines(norepinephrine, dopamine, 50hydroxytryptamine (5-HT)) and their metabolites(3, 4-dihydroxyphenylacetic a cid (D O P A C ), homovamillic acid(H V A ), 5- hydroxyindoleacetic acid(5-HIAA)) were measured by means of high performance liquid chromatography-electrochemical detector( HPLC - ECD ). The results obtained are as follows : 1) In the normal rat, the concentration of norepinephrine was the highest in hypothalamus. Dopamine, DOPAC and HVA were highest in corpus striatum, and 5-HT and 5-HIAA were highest in hypothalamus. Epinephrine was not detectable in any part of the brain tissue nor in cerebrospinal fluid. 2) In single ECS group, the concentration of DOPAC was decreased and that of dopamine was increased in corpus striatum. 5-HIAA was decreased in hypothalamus by single ECS. 3) In case of repeated ECS, the concentration of norepinephrine was decreased in frontal cortex and that of D O P A C was decreased in hypothalamus. 5-HT was increased in striatum. The ratio of 5-HIAA/5-HT was increased in all brain region tested, especially in frontal cortex and hypothalamus by repeated ECS. 4) In cerebrospinal fluid,DOPAC , 5-HIAA and H VA were detectable. While single ECS did not change the concentration of these metabolites, repeated ECS increased DOPAC
윤경수,Yoon, Kyoung-soo 한국개발연구원 2012 韓國 開發 硏究 Vol.34 No.2
본고는 산출물시장이 과점적이고 동질적 상품이 거래되어 기업들이 생산량 경쟁을 하고 배출권시장은 완전경쟁적일 경우, 기업이 지출하는 저감투자량의 적절성을 이론적으로 분석한다. 산출물시장이 완전경쟁적일 때와는 달리 저감투자는 직접적으로 배출비용을 줄이는 효과 이외에 다른 기업의 산출물을 줄이는 간접적 효과를 발생시킨다. 균형하에서의 저감투자량은 사회적으로 최적인 저감투자량에 비해 생산량 대비 과잉투자를 야기하여 투자배분을 왜곡한다. 본고는 또한 불완전경쟁시장이 배출권 거래제도하에서 발생시킬 수 있는 비효율성의 제반 요인들을 검토하고 정책적 시사점을 제시한다. This study examines the equilibrium investment on the pollution abatement when firms are facing Cournot competition in the output market while the pollution permit market is perfectly competitive. Unlike standard perfect competition scenario, the abatement investment delivers an indirect effect in which it reduces other firms' equilibrium output. Consequently, compared with the socially optimal level, overinvestment arises. I also overview the potential inefficiencies that imperfect market structure induces under the emission trading scheme, presenting policy implications.
윤경수 釜山外國語大學校 比較文化硏究所 1998 比較文化硏究 Vol.9 No.-
Some three million years have worked hard to evolve the primitive life forms to human beings that are as highly advanced as any creatures on earth. By and large the transformation motive of state-founding myths takes on cavern motive, which has a significant influence upon later myths as well as folklore, fairy tales, ancient novels, and so forth. The origin of transformation of Korean myths is to be witnessed in the state-founding mythology; the transformation of a bear into a woman Woongnyoˇ typifies any other Korean mythological transformation. It appears of great significance in that physically that was not just a partial but a total and brand-new transformation from a beast into a woman, and in that even the inner nature was quite a modification on a spiritual basis. THe bear's transformation into a woman Woongnyo was made possible by its heartily aspiration to become a mankind, and that she gave birth to Dangun. through the sacred marriage to Hwanwoong from heaven was the materialization of the desire to accomplish self-fulfillment. All the transformation instances of ancient novels mentioned in this research belong to this category of state-founding mythology, which is regarded as the manifestation of human's aspiration and imagination. The transformations of ancient novels are indeed based on such myths. Which entail the lesson that if the protagonist continues conduction righteous deeds despite the adversities and sufferings coming down in his/her way, he/she never fails to get rewarded for it all in the long run, which is all very future-oriented. Further in the following, I aim to discover the transformation types and their meanings with the premise that the transormation motive in ancient novels was handed down from the state-founding mythology's.
尹敬洙 부산 외국어 대학교 1998 外大論叢 Vol.18 No.1
The form of Kwansan Yungma has much significance in respect that Kwansan Yungmas accomplished the revolution. Analizing form the first section to the fourth section, it is new style which reformed the traditional type of the national examination. Seogbuk composed Kwansan Yungma with our national rhytheme, so it has been sung as a seodo song now a days. Needless to say, it's our nation's. Seougbuk is highly appreciated in the history of literature, because he coverted the traditional bigotory perfectly which the predecessors had adhered. This is the very important of Kwansan Yungma. In Lee dynasty Confucianism is the national policy. Moreover, Doo Bo grasped his style with the thought of Confucianism and poured the patriotism in his poem. The nobilities, Comfucianists, respected the Doo Bo's poem. Especially composing by his rhytheme is indispensable. Doo Bo's poem was composed of the special rhytheme systematically and the nobilities composed in this way.
尹敬洙 釜山 外國語 大學校 1989 外大論叢 Vol.7 No.1
Dasan Jung Yak-Yong(1762-1836) was a writer belonged to practical Science School. His Social Poem, Ai Jeol Yang is real to cescribe the situation of the confusing Society in the later half period of Cho Sun History. When Dasan was exiled Kang Jin in A.D. 1803, he had heard a sorrowful story. A farmer Ree Jung, who got a new baby before three days, cut off his testicles himself because of the explosion of his anger due to the matter that his only one cow was taken away instead of tax delinguency. He had written a poem with the subject matter of above story. Representing the materials in real life into his poem, he used to bring to us to the other world that we could not find out yet. He's reprentative work is the very Ai Jeol Yang. It was my effort through which to lighten again his writing, Ai Jeol Yang, influenced due to realism under involvement of the social background at that age.