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라인업 절차, 종족 및 성별이 얼굴 인식에 미치는 영향
정우현 ( Woo Hyun Jung ),이일우 ( Yi Woo Lee ) 한국감성과학회 2012 감성과학 Vol.15 No.2
얼굴 자극의 성별 및 종족과 라인업 절차에 따른 얼굴 인식에서의 차이를 알아보기 위해 두 편의 실험을 수행하였다. 실험 1에서 사용된 자극은 동남아시아인 및 동북아시아인 남성의 정면 얼굴 이미지였으며 얼굴 자극의 종족과 실험참가자의 종족이 동일할 때 얼굴 인식이 향상될 수 있는지(동 종족 우세 효과)를 알아보았다. 실험 2에서는 동북아시아인 남성 및 여성의 정면 얼굴을 자극으로 사용하여 참가자와 얼굴 자극의 성별이 같을 때 얼굴 인식이 더 정확한지(동성별 우세효과) 알아보았다. 두 실험에서 실험참가자는 모두 동북아시아인이었으며 라인업 절차의 동시제시 조건과 순차제시 조건을 사용하여 얼굴 자극 제시 방법에 따른 차이도 비교하였다. 실험 결과 동종족 우세 효과와 라인업 절차에 따른 얼굴 인식 정확도의 차이는 관찰되지 않았으나 표적이 동남아시아인 자극일 때 얼굴 인식 정확률이 높았다. 흥미롭게도, 동성별 우세 효과는 여성 실험참가자에 한해 관찰되었다. 이러한 결과를 통해 얼굴 인식이 주의에 의해 영향을 받을 수 있을 가능성에 대해 논의하였다. Two experiments were conducted to test effects of ethnicity and gender of face stimuli and lineup procedure on face recognition. In experiment 1, all stimuli were frontal male pictures of Southeast Asian and Northeast Asian. It was tested that whether accuracy of face recognition improve when ethnicity of participant and stimulus was identical (own-ethnicity advantage). In experiment 2, the ``own-gender advantage`` was tested using images of Northeast Asian`s frontal male and female faces. All participants were Northeast Asian. The results showed that the own-ethnicity advantage or the effect of line-up procedure was not found, but accuracy of face recognition was high when target face was Southeast Asian, Interestingly, the own-gender advantages was observed in only case of female participants, It was discussed that face recognition could be affected by attention.
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원발성 점액섬모 이송기능 장애 환자에서 발생한 뇌농양 - 증례보고 -
윤성훈,이형진,이진석,양지호,이일우,송규상,강준기,Yoon, Sung Hoon,Lee, Hyung Jin,Yi, Jin Seok,Yang, Ji Ho,Lee, Il Woo,Song, Kyu Sang,Kang, Joon Ki 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.12
The authors present a case of brain abscess in a patient with primary mucociliary transport failure. Primary mucociliary transport failure is unfamiliar term to neurosurgeon. It encompasses three hereditary disorders, that is, primary ciliary dyskinesia, cystic fibrosis and Young's syndrome. Clinical manifestations in these disorders appear to overlap each other, e.g., male infertility and chronic sinopulmonary infections. These are characterized by ciliary dysfunction or abnormality of mucus secretion therefore recurrent infection occurs in organs containing the mucociliary transport system. Major causes of non-traumatic brain abscess are sinusitis and pulmonary infection. So the possibility of brain abscess is much higher if mucociliary transport failure exists. Especially, young patients who have brain abscess coexisting with chronic sinopulmonary infection should be considered primary mucociliary transport failure.
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수막혈관종증과 연관되어 발생한 침윤성 수막종 -증례보고-
섲주용 ( Joo Yong Seong ),이일우 ( Il Woo Lee ),양지호 ( Ji Ho Yang ),이진석 ( Jin Seok Yi ),이형진 ( Hyung Jin Lee ),이혜경 ( Hye Kyung Lee ),양보성 ( Po Song Yang ) 대한뇌종양학회 2003 대한뇌종양학회지 Vol.2 No.1
The authors present the case of a 9-year-old female patient with meningioma at left temporal area originationg from underlying meningioangiomatosis. The patien manifested complex partial seizure as the initial symptom. She had no stigmata of neurofibromatosis Type 2. Neuroradiological studies revealed an extraxial, contrast-enhancing lesions at left temporal lobe. After gross total removal of the tumor, histokogical examination revealed invasive meningioma with surrounding meningioangiomatosis. Although there were no signs of anaplasia, necrosis, or increased mitosis, tumor islands were observed in the adjacent brain parenchyma. The rare association of meningioangiomatosis and meningioma is discussed along with radiological and surgical findings.
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윤성훈,이진석,장하성,이형진,양지호,이일우,강준기,Yoon, Sung-Hoon,Yi, Jin-Seok,Jang, Ha-Sung,Lee, Hung-Jin,Yang, Ji-Ho,Lee, Il-Woo,Kang, Joon-Ki 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.2
Objectives : There are many kinds of method to evaluate neural decompression during operation. They are direct visual and manual inspection, intraoperative ultrasound, endoscope, intraoperative computed tomography and intraoperative myelography. We used intraoperative myelography to evaluate the proper decompression of neural elements during the decompressive surgery. Methods : We injected 10-20cc of nonionic water-soluble contrast materials through direct puncture site of exposed dura during operation or lower lumbar level or lumbar drain inserted preoperatively. 12 patients were included in this study. They were 7 patients of centrally herniated lumbar disc disease, 1 patient of multiple lumbar spinal stenosis, 2 patients of thoracic extradural tumor and 2 cervical fracture & dislocations. Results : 5 of 12 patients showed remained neural compression through intraoperative myelography, so they were operated further through other approach. Myelographic dye is heavier than CSF, so the dependent side of subarachnoid space was visualized only. In one case, CSF leakage through hemovac was detected, but it was treated only bed rest for 5 days after hemovac removal. Conclusion :Intraoperative myelography is an effective method to evaluate neural decompression during spinal surgery. This technique is easy and familiar to us, neurosurgeons.
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조병래 ( Byung Rae Cho ),양지호 ( Ji Ho Yang ),이진석 ( Jin Seok Yi ),이일우 ( Il Woo Lee ) 대한뇌종양학회 대한신경종양학회 2014 Brain Tumor Research and Treatment Vol.2 No.1
Ependymomas are rare neuroepithelial tumors that arise from the ependymal cells of the cerebral ventricles, the central canal of the spinal cord and cortical rests. Some tumors may extend to the gray matter reaching the pial surface, but pure cortical ependymomas are uncommon. We report a case of ependymoma arising from extraventricular system, especially supratentorial falx. Sixty five-year-old woman presented memory impairment and apraxia was admitted to the our clinic. Magnetic resonance imaging (MRI) of the brain showed a 4.5×5.5 cm sized mass in the left occipital lobe, attached to the falx. The patient underwent the total tumor removal and the final pathology showed grade II cellular ependymoma. Because of the supratentorial and pure cortical ependymomas are rare, proper studies and pathologic confirm are needed to distinguish different tumors.
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