• Title/Summary/Keyword: 뇌연구

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A Study on the Brain Scientific Mechanism of Drawing Education - Focusing on the Animated Drawing (드로잉 교육의 뇌과학적 기제 연구 - 애니메이션 드로잉을 중심으로)

  • Park, Sung Won
    • Cartoon and Animation Studies
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    • s.36
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    • pp.217-236
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    • 2014
  • This study is a literature analytical process for studying the drawing teaching methods considering the professional characteristics of animation and a principle analytical process for studying the perspective that when teaching methods that consider the function, learning and creative mechanisms of the brain are applied, the animation drawing ability will be effectively increased. In recent years, as an alternative discussion on the educational method of each field, study results applied with brain-based learning principles are being presented. This is not only being applied and implemented for art and drawing education but as overall educational alternatives. On the other hand, animation drawing requires artistic literacy and at the same time requires comprehensive teaching methods that can train the structural knowledge, cognitive sensation and communication method but such professional teaching methods are insufficient. Therefore, the principle of effective education is seen through the brain mechanism and the principle of demonstrating the creativity and learning by the brain is analyzed. In addition, through the fundamental relationship on the picture drawing and the function of the brain, the relationship of the drawing and the brain is identified. As a result, not only for the left brain that observes the cognitive information which can draw the structure and shapes but the right brain which is directly related to the drawing should be developed, but in order to express the creativity, teaching methods that can understand the mechanism of comprehensive brain where physical and psychological factors are expressed should be also developed. It is because the animation drawing education is teaching the methods for demonstrating the characteristics of artistic creativity required for the drawing ability. This process will not only be a foundation for identifying the difference against the previous animation drawing teaching methods, and the brain-based principles will be selected as the core strategic definition for designing the strategy and methodological model of future education.

Seizure Propagation on Ictal Brain SPECT : A Pitfall in the Localization of the Seizure Focus (발작기 뇌혈류 스캔에서의 간질 확산에 관한 연구 : 간질 병소 국소화의 오류)

  • Kim, Man-Deuk;Lee, Jong-Doo;Ryu, Young-Hoon;Kim, Do-Joong;Kim, Jai-Keun;Moon, Sung-Wook;Yoon, Pyeong-Ho;Lee, Chang-Hoon;Lee, Byung-In
    • The Korean Journal of Nuclear Medicine
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    • v.30 no.4
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    • pp.463-468
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    • 1996
  • 본 연구는 간질 병소의 국소화에 있어 발작기 및 발작간 뇌스캔의 정확도를 알아보고 발작기 뇌 스캔에서 나타나는 간질 확산이 정확한 간질 병소를 국소화 하는데 어떠한 영향을 미치는가에 대하여 알아보고자 하였다. 15명의 복잡 부분 발작 환자를 대상으로 하였으며, 간질 병소의 최종적인 국소화는 두피 및 발작 뇌파, 피질 뇌파, 자기 공명 영상, 임상양상 및 병리 소견을 종합한 근거로 하였다. 발작기 뇌스캔은 뇌파상 발작 중 또는 환자가 aura를 호소할 때 Tc-99m HMPAO 20mCi(740 MBq)를 정맥주입후 시행하였으며 발작간 뇌스캔은 발작기 뇌스캔 후 3일 이내 임상적으로 발작 증상이 없는 기간에 시행하였다. 간질 병소는 우측 측두엽이 8예, 좌측 측두엽이 6예, 측두엽 이외의 기원이 1예 였다. 발작기 뇌스캔상, 모두 11예(73.3 %)에서 단발성 또는 다발성 섭취 증가가 간질 병소 및 간질확산 부위에서 관찰되었으며, 간질 병소에만 국한된 섭취 증가는 4예(26.7%)에 불과 하였다. 발작간 뇌스캔에는 모두 11예(73.3 %)에서 간질 병소에만 섭취가 감소되었다. 자기 공명 영상에서는 8예(53.3 %)에서 hippocampal sclerosis를 포함한 간질 병소가 확인되었다. 본 연구로 복잡 부분 발작 환자에서, 간질 확산이 발작기 뇌 스캔 중 자주 관찰됨을 알 수 있었으며, 이러한 간질 확산에 따른 다발성 방사능 섭취가 발작기 뇌스캔상, 간질 병소의 국소화에있어 한계가 있음을 결론 내릴 수 있었다.

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A Study on the Usefulness of Perfusion MRI in Grading of Gliomas (뇌교종의 악성도 평가에서의 관류자기공명영상의 유용성에 관한 연구)

  • Khang, Hyun-Soo;Kim, Jong-Man;Ko, Shin-Kwan;Moon, Chan-Hong;Yu, In-Kyu;Han, Dong-Kyoon
    • Journal of radiological science and technology
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    • v.32 no.4
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    • pp.461-469
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    • 2009
  • To predict the tumor grading, various imaging modalities have been applied clinically. This study determines clinical usefulness of perfusion MRI, using relative cerebral blood volume in grading of the gliomas. We did a retrospective review of 17 patients (mean age, 57.5 years; 11 male, 6 female) who underwent perfusion MR and conventional MRI, and then correlated pathologically after operation. Statistical analysis of regional cerebral blood volume and relative cerebral blood volume(rCBV) was performed by using softwares such as PAT by SIEMENS and Xmap ver 2.0 developed by ourselves. Six patients out of 13 were low-grade gliomas while eleven patients were the high-grade gliomas. Mean relative CBV (m_rCBV/white matter) in the low-grade gliomas was 1.62, and mean relative CBV(m_rCBV/cortex) was 0.12. In the high-grade gliomas, mean relative CBV(m_rCBV/white matter) and mean relative CBV(m_rCBV/cortex) were 33.53 and 0.96. Mean relative CBV of gliomas were elevated with a statistical difference(P<.05), compared with contralateral white matter(P=.019) or cortex(P=.025). Furthermore mean relative CBV(m_rCBV/white matter) was much higher than mean relative CBV(m_rCBV/cortex). Perfusion MRI using regional cerebral blood volume and rCBV is very useful imaging modality for grading the glioma.

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Alterations of Calcium-binding Protein Immunoreactivities in the Hippocampus Following Traumatic Brain Injury (외상성 뇌손상 후 해마내 칼슘결합단백질 면역반응의 변화)

  • Oh, Yun-Jung;Kim, Baek-Seon;Park, Dae-Kyoon;Park, Kyung-Ho;Ko, Jeong-Sik;Kim, Duk-Soo
    • Applied Microscopy
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    • v.41 no.4
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    • pp.235-248
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    • 2011
  • Traumatic brain injury (TBI) is one of the leading causes of death and disability in children and adults and is a major risk factor for the development of posttraumatic epilepsy (PTE). Recent studies have provided significant insight into the pathophysiological mechanisms underlying the development of epilepsy. Although the link between brain trauma and epilepsy is well recognized, the complex biological mechanisms that result in PTE following TBI have not been fully elucidated. Therefore, this study investigated in order to identify whether or not the abnormal expression of calcium-binding proteins in the lesioned hippocampus plays a role in neuronal damage by brain trauma and whether or not the expressions may change in the contralateral hippocampus during the adaptive stage as early time point following TBI. During early time point following TBI, both parvalbumin (PV) and calbindin D-28k (CB) immunoreactivities were decreased with in the lesioned hippocampus. However, these expressions were recovered to control levels as depend on time courses. On the other hand, PV immunoreactivity in contralateral hippocampus was transiently reduced as compared to the control levels, whereas CB expression was unchanged. These findings indicate that the alterations of the calcium-binding proteins, especially PV and CB, may contribute to the neuronal death and/or damage induced by abnormal inhibitory neurotransmission at early time period following brain trauma and the development of epileptogenesis in patients with traumatic brain injury.

A Propensity of the Players' Preferences of the On-Line Game under Their Thinking Modes of The Cerebral Hemispheric Model (대뇌반구모형의 사고유형별 온라인 게임 선호요소에 관한 연구)

  • Kim, Dea-Yong;Chung, Seung-Ho;Choi, Eun-Suk
    • The Journal of the Korea Contents Association
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    • v.9 no.11
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    • pp.140-150
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    • 2009
  • Difference of individual character is defined Cerebral Hemispheric Model(CHM) to develop individual intellectual abilities in this paper. Component of preferred online-game is surveyed in accordance with individual character, and investigated for possible applications. An individual is classified with 2 modes of CHM that take charge of intellectual abilities; abilities is character, taste, personality decision-making and behavior patterns; that is closely related to creativity. Difference of game component could be investigated with correlation table of cerebral preference patterns (CPP) that was drawn up with survey. Individual brain preferences (IBP) became clear through preference of individual in the investigation, and suggested concept guide-line to develop other brain preferences. Thus, this study is able to realize from education game to a great variety of contents that base on the development of thinking-faculties as optimization of user preference, can be the basic data of self-development, to improve intellectual faculties as development of individual thinking preference.

Relationships between Brain Hemispheric Dominance and Academic Achievement, Self Concept and Achievement Motivation in High School Students (고등학생들의 뇌반구 우세성과 학업성취도, 자아개념 및 성취동기와의 관계)

  • Kim Nam-il
    • Science of Emotion and Sensibility
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    • v.8 no.1
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    • pp.55-61
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    • 2005
  • The purpose of the study was to examine any difference in academic achievement, self-concept and achievement motivation by the types of hemispheric dominance. 189 high school students participated in the study. They were taken three kinds of different psychological tests i.e., the brain hemispheric preference (dominance), the self-concept and the achievement motivation tests. Three types of hemispheric dominance were classified as the left hemispheric, the right hemispheric and whole brain dominances. The results showed that students with the right hemispheric dominance showed lower academic achievement and self concept than the other groups students. Those who had left hemisphere dominance showed higher achievement motivation than the right hemispheric students. These results could be interpreted that education in the high school in Korea mainly focuses left hemisphere related topics or subjects.

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Age-Specific Brain Activation in Secondary School Students' Self-Regulating Activities on Biological Tasks -fNIRS Study (생물 과제의 자기조절 활동에서 나타나는 중등학생의 연령별 두뇌 활성 -fNIRS 연구)

  • Lee, Seo-Ri;Kwon, Yong-Ju
    • Journal of Science Education
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    • v.46 no.1
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    • pp.30-39
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    • 2022
  • The purpose of this study is to compare and analyze secondary school student's brain activity on assimilation, conflict, and accommodation processes of self-regulation. The self-regulation task was presented a biological phylogenetic task, and the brain activity was measured and analyzed with fNIRS. As a result, a significant activation was found in the left DLPFC, OFC, and FP regions in the conflict process compared to the assimilation process, and a significant activation was found in DLPFC and VLPFC in the accommodation process. As the age increase, the DLPFC also increases in the conflict process and VLPFC increases in the assimilation process. In addition, comparing conflict and accommodation process, the 7th grade students show a significant brain activity in the right VLPFC, the 9th grade students show significant brain activity in the left FP and DLPFC areas in the accommodation process. However, the 11th grade students did not show any significant brain activity at this process. These results presumably show that the neurological research method could be applied to educational research in cognitive activity and classroom instructional situation.

A Research on Derivation of Strategic Brain Research Areas by the AHP Approach (AHP를 이용한 뇌융합 전략분야 발굴 연구)

  • Kim, Junhuck;Suh, Dukrok;Choi, Jee Hyun;Kim, Han-Gook
    • The Journal of the Korea Contents Association
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    • v.16 no.4
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    • pp.36-44
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    • 2016
  • This article serves as a guideline to the policy on Korea brain science program. Given limited resources within Korea, setting priorities in brain science topics is important in science policy. In this study, we determined the priorities of important brain science topics based on the frontier properties, innovativeness, and prospective outcome. Firstly, the significant topics were chosen after the interview with the top nationwide brain scientists, which were neuroglia, brain precision medicine, neuromorphic engineering, neuroepigenetics, and brain oscillation. Secondly, the analytic hierarchy process (AHP) survey were conducted to prioritize and assign the important weight for not only the criteria but also the research topics in pair choice evaluation. In regards to the importance among the criteria, prospects of the topic was determined to be the top criterion to ranked criterion to consider in the government investment. The priority of the research topics was determined by the order for the project to be considered in national science policy in a comparative way.

A study on next generation surge protection system from telecommunication system (정보통신설비의 차세대 뇌서지 보호대책에 관한 연구)

  • Kim, Dong-Jin;Han, Nam-Hyun;Kim, Kwang-Nan
    • Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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    • 2009.05a
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    • pp.285-288
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    • 2009
  • WAN을 기반으로 하는 초고속 정보통신망이 구축되면서 컴퓨터를 기초로 하는 정보기술에 대한 의존도가 증가하고 있다. 그에 따라 컴퓨터를 비롯한 초고속 정보통신 설비 사고 가운데 뇌 서지에 기인하는 비중이 늘어나고 있다. 정보화 시스템의 일시적 기능 정지나 고장은 그 파급효과가 대단히 크고 경제적 손실이 막대하여 안정적인 서지 보호대책의 필요성이 높아지고 있다. 이에 뇌 보호 관련 규정이 KS C IEC 62305로 개정되면서 선택사항에 불과했던 내부 뇌 보호 시스템인 서지보호기 (Surge Protective Device 이하 SPD)가 필수사항이 되었다. 하지만 약 30%가 SPD 설치 후에도 서지로 인한 피해를 입고 있는 것이 현실이다. 이는 설치 후에도 SPD가 제대로 작동하는지의 동작 상태와 경년에 따른 SPD의 특성 변화를 알 수 없어 문제 발생 시 정확한 원인 분석이 불가능하여 효과적인 대책수립이 어렵기 때문이다. 따라서 기존 SPD 기술의 한계점을 극복하여 유입되는 외부 서지의 특성을 파악하고 고장 예측이 가능한 차세대 뇌서지 보호대책을 고려하여야 한다.

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The Significance of Maturation Score of Brain Magnetic Resonance Imaging in Extremely Low Birth Weight Infant (초극소 저체중 출생아의 뇌 MRI 상 Maturation Score의 의의)

  • Song, In-Gu;Kim, Su-Yeong;Kim, Cur-Rie;Kim, Yoon-Joo;Shin, Seung-Han;Lee, Seung-Hyun;Lee, Jae-Myoung;Lee, Ju-Young;Kim, Ji-Young;Sohn, Jin-A;Lee, Jin-A;Choi, Chang-Won;Kim, Ee-Kyung;Cheon, Jung-Eun;Kim, Woo-Sun;Kim, Han-Suk;Kim, Byeong-II;Kim, In-One;Choi, Jung-Hwan
    • Neonatal Medicine
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    • v.18 no.2
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    • pp.310-319
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    • 2011
  • Purpose: The aim of this study was to investigate the effect of perinatal risk factors on brain maturation and the relationship of brain maturation and neurodevelopmental outcomes with brain maturation scoring system in brain MRI. Methods: ELBWI infants born at the Seoul National University Children's Hospital from January 2006 to December 2010 were included. A retrospective analysis was performed with their medical record and brain MR images acquired at near full term. We read brain MRI and measured maturity with total maturation score (TMS). TMS is a previously developed anatomic scoring system to assess brain maturity. The total maturation score was used to evaluate the four parameters of maturity: (1) myelination, (2) cortical infolding, (3) involution of glial cell migration bands, and (4) presence of germinal matrix tissue. Results: Images from 124 infants were evaluated. Their mean gestational age at birth was 27.1${\pm}$2.1 weeks, and mean birth weight was 781.5${\pm}$143.9 g. The mean TMS was 10.8${\pm}$2.0. TMS was significantly related to the postmenstrual age (PMA) of the infant, increasing with advancing postmenstrual age (P<0.001). TMS showed no significance with neurodevelopmental delay, and with brain injury, respectively. Conclusion: TMS was developed for evaluating brain maturation in conventional brain MRI. The results of this study suggest that TMS was not useful for predicting neurodevelopmental delay, but further studies are needed to make standard score for each PMA and to re-evaluate the relationship between brain maturation and neurodevelopmental delay.