• Title/Summary/Keyword: BOLD

Search Result 300, Processing Time 0.029 seconds

Functional MR Imaging of Language System : Comparative Study between Visual and Auditory Instructions in Word Generation Task (언어 중추 영역에 대한 기능적 자기공명영상: 시각적, 청각적 지시 과제에 관한 비교)

  • 구은회;권대철;김동성;송인찬
    • Journal of Biomedical Engineering Research
    • /
    • v.24 no.4
    • /
    • pp.241-246
    • /
    • 2003
  • To evaluate the usefulness if functional MR imaging(MRI) for the determination of language dominance system and to assess differences in the visual and auditory instrument language generation task according to activation task or activated area. Functional maps of the language area were obtained during visual and auditory instructions in word generation tasks in 6 healthy volunteer with right-handness were examined on a 1.5T scanner and the EPI BOLD technique, and three pulse sequence technique get of the true axial planes. Both task consisted of 96 phases including 6 activations and rests contents. Postprocessing were done on MRDx program by using cross correlation method. Two task compare the blain activation area surveyed of 1anguage lateralization index. To evaluated of the detection rates of Broca. Wernicke, pre-frontal lobe, Supplementary Motor Area (SMA) and pre-motor cortex areas and the differences of language lateraliaztion among two word generation task To lateralization index survey in 1anguage area on right and left in brain get to activation area pixel in brain. Compared to visual and auditory instrument task in the language areas get to the lateralization index. Two language generation task high detection rates of Broca and Wernicke areas. The visual instruction no detected in the auditory area, and auditory instruction no detected in the visual area. There was statistics significant different of them among language generation task. 1'his indicated that language area obtained image of the brain functional MR imaging usefulness in the visual and auditory task instrument.

Study on Modeling and Arrangement of Link-Shoes for Torsional Control of S-shaped Pedestrian Cable-Stayed Bridge (S자형 보도사장교의 비틀림 제어를 위한 링크슈의 모델링과 배치방법 연구)

  • Ji, Seon-Geun
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.20 no.6
    • /
    • pp.210-218
    • /
    • 2019
  • Recently, cable-stayed bridges have been attempting to apply bold and experimental shapes for aesthetic and originality. In the case of bridges that have no similar cases, deep understanding and verification of analytical modeling is needed. S-shaped curved pedestrian cable-stayed bridge is always twisted because the cable is arranged on one side of the inverted triangular truss girder. In order to suppress the torsion, the Link-shoes are arranged at the left and right top members with reference to the Bearing placed at the mid-bottom member. The first research is related to the modeling method of Link-Shoe and Diaphram. In order to accurately reflect the transverse structural system and the torsional stiffness, it was necessary to model the Link-Shoe and the Diaphram directly rather than indirectly using the stiffness of the Bearing. The second study is related to the lateral arrangement of Bearing and Link-Shoes. Method 1 is to place in order of Link-shoe, Bearing, and Link-shoe from outside the curve radius. Method 2 is place to in order of Bearing, Bearing, and Link-shoe. In method 2, compared to method 1, the stress in the outer top member was larger and the stress in the inner one was decreased. It is analyzed that the stress adjustment is possible according to the lateral arrangement of Bearing and Link-Shoe.

History of cheese industry in Korea (한국의 치즈산업사)

  • Keum, Jong-Su
    • Food Science and Industry
    • /
    • v.52 no.3
    • /
    • pp.272-286
    • /
    • 2019
  • Cheesemaking is believed to have been first practiced in prehistoric times, about 9,500 years ago, in the area around the Fertile Crescent of Mesopotamia and they left legacy in the name of cheese. Father Chi Chong-Hwan(Didier Serstevens) started for his provost in Imsil Catholic church in 1964. In 1968, cheese was first produced Camembert in Korea by Father Chi Chong-hwan, and then made Mozzarella in 1970, Cheddar in 1972. Father Chi lay the foundation of a cheese industry in Korea. The processed cheese market was highly grown after putting on the market of sliced cheese in the late 1980s, and the various products that complied with wellbeing trends such as organic and high functional cheese produced in the 2000s. The natural cheese opens up a new domestic market after producing Camembert and Brie cheese in the end of 2004. At present, major trends in cheese are authenticity, bold flavor, snack sophistication and tradition. Mozzarella, Parmesan, Cheddar, Provolone, Feta cheese still top in foodservice. In Korea, production of natural cheese is decreasing by the influence of the imported cheese. Production of processed cheese is increasing and total consumption of cheese is also increasing year by year.

A Study on the Application of Traditional Music Elements by Tandun a Contemporary Chinese Composer (중국 현대 작곡가 탄둔의 전통음악 요소 활용 연구)

  • Hu, Xi;Ahn, Sung-Hie
    • The Journal of the Korea Contents Association
    • /
    • v.22 no.6
    • /
    • pp.283-294
    • /
    • 2022
  • In this era of globalization, people's knowledge and cultural aesthetics are strongly influenced by the cultures of different countries, and diversified art forms have broken the traditional art framework, so how to stick to the essence of the country's traditional culture and make it inherited has became an important issue that cannot be ignored in the development of music today. Tan Dun, as one of the representative figures of Chinese contemporary music, has brought important inspirations to the development of Chinese music. With bold and free conceptions, innovative personality, unique Chinese tradition and international perspective. With a spirit of breaking down the barriers between tradition and modernity, East and West, and a concept of integrating multiple cultures into one, he has become a unique figure in the world of music. As researchers in composition, not only do we take on the responsibility of passing on Chinese culture, but we also need to explore the future development direction of Chinese music. Therefore, this paper takes Tan Dun's four traditional musical elements of organic music, Buddhist culture, witchcraft beliefs, folk songs and opera in his works and examines how Tan Dun perfectly blends traditional Chinese music culture with contemporary music language. And explore how the domestic traditional culture co-exists with modernity in today's diverse world.

A Study on the Performative Scenography of Ivo Van Hove : Focusing on The Fountainhead (이보 반 호브의 수행적 시노그래피 연구 : <파운틴헤드>(The Fountainhead)를 중심으로)

  • Yoon, Joo-Ha;Cho, Joon-Hui
    • Journal of Korea Entertainment Industry Association
    • /
    • v.15 no.4
    • /
    • pp.141-155
    • /
    • 2021
  • This study aims to consider characteristics of the scenography in terms of directorial viewpoints of Belgian director Ivo Van Hove(1958~) and define indefinite realities through his production, The Fountainhead. Van Hove has gained worldwide fame with his dramatic and spectacular stage production and audience participation in his production Roman Tragedies. I paid attention to the spatial aesthetics of director Van Hove, which supports such bold stage production. I believed that his philosophy of space would exist behind his sophisticated space concept. Also, if you look closely at his work's spatial characteristics, you will find elements that capture the essence of his work and lead to a performative transition of the audience. Therefore, I would like to find out in detail how these elements were applied to the work The Fountainhead and conduct researches on the spatial characteristics of Van Hove's production. In particular, The Fountainhead shows a unique stage language through Van Hove's space production, and it is considered as the best work to study the characteristics of Van Hove's space production through a hero architect Howard Roak. In other words, I judged that through Roark as a persona, I could find a link between Van Hove's spatial aesthetics and directorial scenography. I hope that active following researches on Van Hove's spatial aesthetics could be conducted in the future, and this study would be a small starting point for his research on directorial scenography.

Korean Musical Actress Jung Sun-Ah's Acting Skill and Style from the Projection and Back-projection Perspectives ('투사-역투사 이론' 관점의 한국 뮤지컬 배우 정선아의 연기 스킬과 스타일 특성)

  • Kim, Jeong-Seob;Lee, Eun-Hye
    • Journal of Korea Entertainment Industry Association
    • /
    • v.15 no.4
    • /
    • pp.45-54
    • /
    • 2021
  • Jeong Sun-Ah built up her performance career for twenty years with bold and energetic acting and solidified her status as a leading actress of Korean musical since her debut. To benefit from the value of her experience this study performed an in-depth interview with her, applying the Theory of "Projection" and "Back-projection", which are the psychological principles of acting, and derived "acting(entering the roles)" and "de-acting(leaving the roles)" techniques. As result, Her acting mechanism involved emptying her ego, embodying a persona by projecting the role created by intensive exploration of materials like previous performance, film of the same title, original novel, and script, and then getting the ego back by back-projecting through dynamic activities such as overseas travel and dance. She pre-studied the roles by physically visiting sites that are important to the characters. She was unique in that she pursued a difference by changing vocal trainers for each musical production and undertook more intense physical training than vocal practice to achieve powerful singing performance. In most of her works (75%), she suffered from aftereffects such as depression, narcissism, hysteria, and insomnia due to disorder caused by breaking away from the roles. However, she relied on self-help and alternatives are needed in the future such as reinforcement of expert counselling. Jeong Sun-Ah appeared on an average of 1.6 productions per year, practiced for an average of 1.7 months, and performed for an average of 3.9 months with an average of 100 days of break between productions. Her performance record from this research demonstrates her constant preparation and passion, as well as the know-how of reserving and distributing energy. So, it has a valuable implications for acting education and self-management of actors and actress.

Effect of Culture Media on Production of Biomass, Fatty Acid, and Carotenoid in a Newly Isolated Mychonastes sp. (신규 분리된 Mychonastes sp.의 생장, 지방산 및 색소 생산에 생장배지가 미치는 영향)

  • Yim, Kyung June;Jang, Hyun-Jin;Park, Yeji;Nam, Seung Won;Hwang, Byung Su;Jung, Ji Young;Lee, Chang Soo;Kim, Z-Hun
    • Journal of Marine Bioscience and Biotechnology
    • /
    • v.14 no.1
    • /
    • pp.1-8
    • /
    • 2022
  • This study examined the growth, fatty acid (FA) content, and carotenoids of a newly isolated freshwater microalga, Mychonastes sp. 246, in various culture media. The appropriate temperature and light intensity for culturing Mychonastes sp. 246 were determined as 18℃-22℃ and 200-250 µmol/m2/s using a high throughput photobioreactor. The microalgal cells were cultivated in 0.5 L bubble column photobioreactors using BG11, Bold's Basal media, and f/2 media. According to the growth results of the microalgae, BG11, among the tested media, showed the highest biomass concentrations (3.5 ± 0.1 g/L in 10 d). To enhance the biomass growth of the microalgae, the N:P ratio in BG11 was manipulated from 45:1 to 7:1 based on the stoichiometric cell composition. The biomass concentrations of Mychonastes sp. 246 grown on the manipulated BG11 (MBG) increased to 38% (4.6 ± 0.3 g/L in d) compared with the original BG11 (3.3 g/L). The FA content of the microalgae grown on the MBG was lower (8.4%) than that of the original BG11 (10.1%) while the FA compositions did not exhibit any significant differences. Furthermore, three kinds of carotenoids were identified in Mychonastes sp. 246, zeaxanthin, lutein, and β-carotene. These results suggest an effective strategy for increasing biomass concentrations, FA content, and carotenoids of microalgae by performing a simple N:P adjustment in the culture media.

Studies on Processing Techniques in Barley I. Effect of Polishing Conditions of Hulled Barley on Grain Shape and Polishing Properties (보리의 가공기술 개선연구 I. 겉보리의 도정조건에 따른 곡립특성 및 도정수율)

  • Kim, Y.S.;Lee, B.Y.;Bae, S.H.
    • KOREAN JOURNAL OF CROP SCIENCE
    • /
    • v.33 no.3
    • /
    • pp.281-286
    • /
    • 1988
  • These studies were conducted to find out the polishing methods that improve yield and quality of the polished barley. Four varieties of hulled barley, Dongbori 1. Bunong, Kangbori and Suwon 182 which were produced in Suwon, Korea in 1979, were subjected to this experiment. The polishing machine, manufactured by Satake Co, was used as test mill. Increasing the roller speed of polishing machine causes more polished barley in a unit period. The speed influenced more in length than thickness or width of grain. Therefore the shape of grain became bold type as the speed increased. The optimum roller speed was 1,300rpm in ideal shape of polished barley. The lowest hardness was observed in the husk layer and the hardness was found in the decreasing order of the aleurone, testa, peri carp and the endosperm layer. The thickness of bran layer, weight of 1,000 kernel and hardness of polished barley were greatly different according to barley varieties. Also the length, thickness, width and the ratio of length to width of barley grain were significantly different in barley varieties. The ratio of length to width of the polished barley was 1.59 in Suwon 182, 1.53 in Bunong, 1.51 in Kangbori and 1.26 in Dongbori 1.

  • PDF

Brain Activities by the Generating-Process-Types of Scientific Emotion in the Pre-Service Teachers' Hypothesis Generation About Biological Phenomena: An fMRI Study (예비교사들의 생물학 가설 생성에서 나타나는 과학적 감성의 생성 과정 유형별 두뇌 활성화에 대한 fMRI 연구)

  • Shin, Dong-Hoon;Kwon, Yong-Ju
    • Journal of The Korean Association For Science Education
    • /
    • v.26 no.4
    • /
    • pp.568-580
    • /
    • 2006
  • The purpose of this study was to investigate the brain activities by 4-types of Generating Process of Scientific Emotion (GPSE) in the hypothesis-generating biological phenomena by using fMRI. Four-types of GPSE were involved in the Basic Generating Process (BGP), Retrospective Generating Process (RGP), Cognitive Generating Process (CGP) and Attributive Generating Process (AGP). For this study, we made an experimental design capable of validating the 4-types of generating process (e.g. BGP, RGP, CGP and AGP), and then measured BOLD signals of 10 pre-service teachers' brain activities by 3.0T fMRI system. Subjects were 10 healthy females majoring in biology education. As a result, there were clear differences among 4-types of GPSE. Brain areas activated by BGP were at right occipital lobe (BA 17), at left thalamus and left parahippocampal gyrus, while in the case of RGP, at left superior parietal lobe (BA 8, 9), at left pulvinar and left globus pallidus were activated. Brain areas activated by CGP were the right posterior cingulate and left medial frontal gyrus (BA 6). In the case of AGP, the most distinctively activated brain areas were the right medial frontal gyrus (BA 8) and left inferior parietal lobule (BA 40). These results would mean that each of the 4-types of GPSE has a specific neural networks in the brain, respectively. Furthermore, it would provide the basis of brain-based learning in science education.

Science Teachers' Brain activation and functional connectivity during scientific observation on the biological phenomena (생명현상에 대한 과학적 관찰에서 나타나는 과학 교사들의 두뇌 활성 및 기능적 연결)

  • Lee, Jun-Ki;Byeon, Jung-Ho;Kwon, Yong-Ju
    • Journal of The Korean Association For Science Education
    • /
    • v.29 no.6
    • /
    • pp.730-740
    • /
    • 2009
  • The purpose of this study was to investigate secondary science teachers' brain activation and functional connectivity during scientific observation on the biological phenomena. Twenty six right-handed healthy science teachers volunteered to be in the present study. To investigate science teachers' brain activities during the tasks, 3.0T fMRI system with block design was used to measure BOLD signals in their brains. The SPM2 software package was applied to analyze the acquired initial image data from the fMRI system. The results have shown that the left inferior frontal gyrus, the bilateral superior parietal lobule, the left inferior parietal lobule, the left precuneus, the left superior occipital gyrus, the right middle occipital gyrus, the right precuneus, the left inferior occipital gyrus and bilateral fusiform gyrus were significantly activated during participants' scientific observation. The network model consisted of eleven nodes (ROIs) and its ten connections. These results suggested the notion that scientific observation needs a connective cooperation among several brain regions associated with observing over just a sensory receiving process.