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머신러닝 기법을 이용한 노년층 뇌졸중 질환 예측의 활용
유재학,홍승희,박홍규,김다미,김선진,박세진 한국감성과학회 2017 춘계학술대회 Vol.2017 No.-
뇌졸중은 우리나라뿐만 아니라 전 세계적으로도 가장 중요한 사망원인 중 하나이며, 우리나라 통계청의 사망 통계분석에 의하면 매일 70여명의 사망자가 발생하고 있는 실정이다. 특히, 현재의 인구 고령화 추세를 고려하면 2030년에는 현재보다 뇌졸중 질환 발생이 3배 이상 급증할 것으로 예상되고, 무엇보다 질환 발생으로 인한 사망과 진료비 부담 및 사회적 손실이 클 수밖에 없다. 본 논문에서는 1) 머신러닝의 대표적인 분류 및 예측 모델인 의사결정나무 C4.5 알고리즘을 기반으로 국민건강보험공단의 노인코호트DB(ver 1.0)을 사용하여 고령자의 뇌졸중 질환을 예측하였다.; 2) C4.5에서 추가적으로 제공하는 동작원리에 관한 규칙들을 상세히 분석함으로써 뇌졸중 질환에 대한 의미론적 해석을 시도하였다.; 3) C4.5는 주어진 건강검진 데이터 속성들의 정보이익 값을 이용하여 예측모형을 구축하는 머신러닝 알고리즘으로, 중요 속성 선택 및 축소 효과를 추가적으로 얻었다. 따라서 실제 시스템 운용 시, 제안된 방법론을 적용하면 보다 신속하고 정확한 뇌졸중 질환 예측 및 해석이 가능하다. 실험을 통하여 만족스러운 뇌졸중 질환 예측 정확도 수치 등을 확인함으로써 제안된 예측 방법론의 성능을 검증하였다.
Non-Interpretative Analytic Techniques for Sicker Borderline Patients
유재학,하지현 한국정신분석학회 2017 精神分析 (Psychoanalysis) Vol.28 No.3
Borderline personalities are known to be associated with sick and difficult patients in analysis. Sometimes usual interpretation in treating borderline personality patients is of no use due to the lack of acceptable attitude from these patients. Usually, non-inter-pretative analytic techniques such as containing (understanding of projective identification), holding, mirroring, scaffolding, blending, empathizing, and clarification of patients’ status and affect are used before interpretations. These non-interpretative ana-lytic techniques have been effective in treating sick borderline personality patients, especially when patients were not ready to ac-cept interpretations. Various kinds of non-interpretative analytic techniques were reviewed in this study. Through this process, it was found that the effectiveness of these non-interpretative analytic techniques were not only prerequisites of therapeutic alli-ance for interpretation, but also independent therapeutic factors for the interaction between patients and analysts in treating sick patients with borderline personality.
After shave lotion 에 의한 색소성 접촉 피부염 1 예
유재학,정문철,박형윤,김계정,정유석 대한피부과학회 2002 大韓皮膚科學會誌 Vol.40 No.1
Pigmented contact dermatitis is characterized by a dark brown pigmentation that results from repeated exposure to small amounts of contact allergen. Histopathologic findings are liquefactive degeneration of the basal layer cells and melanophages in the upper dermis. We report a case of a 73-year-old man with dark brownish mottled hyperpigmented patches on the both cheeks and forehead. Patch tests were positive to isoeugenol, benzyl salicylate and after shave lotion. After shave lotion that the patient used maybe contain these fragrances. Improvement was seen 3 months after ceasing the use of after shave lotion.
Expected Promising Future of Psychoanalysis in Korea
유재학,하지현 한국정신분석학회 2015 精神分析 (Psychoanalysis) Vol.26 No.3
The authors considered current status of the Korean psychoanalytic movement as the beginning of enormous future developments. Then the authors briefly reviewed how the current state of development had taken place in Korea. Also, the authors tried to find important reasons why the rapid growth of the practice of psychoanalysis in Korea happened. One of the reasons was thought to be due to the supply of object constancy through psychoanalysis for identity confusion induced by the lack of consistency from rapidly changing economic and societal conditions of Korea since 1960’s. The authors also suggested many methods for psychiatrists, psychiatric residents, medical students, psychiatric patients, and the general population respectively to maintain and uphold the trend of development of Korean psychoanalytic movement.
유재학 대한신경정신의학회 2010 신경정신의학 Vol.49 No.1
The object of this paper was to inform psychiatric residents and medical students about the psychoanalytic training process. To do this the author reviewed this process by exploringstatistics relating to analysts and analytic institutes worldwide, three approved training models of the International Psychoanalytical Association, three components of training in psychoanalysis (personal analysis, supervised clinical work of analysis, and didactics of analytic theories and case seminars), the application process for analytic institutes, and the graduation process from institutes. To deepen the understanding of the reader regarding psychoanalytic training, the author also provided several clinical vignettes from his own experience through the psychoanalytic training program at the Cleveland Psychoanalytic Center
유재학,박두흠,유승호,하지현,박지선,김설민,서민재 한국정신분석학회 2013 精神分析 (Psychoanalysis) Vol.24 No.2
This study aimed to investigate whether the discrepancies in parent-adolescent reports on childhood traumatic experiences would be related to adolescent adjustment, by comparing delinquent adolescents to general. Methods: A total of 74delinquent adolescents at a juvenile detention center and their parents completed childhood trauma questionnaires (CTQ). In the same way, 194 general adolescents and their parents completed CTQ as well. Comparison analyses between delinquent and general adolescents were conducted. To figure out the discrepancy of parents-adolescents’ report, parents’ CTQ scores were subtracted from adolescents’ scores and then differences were compared between general and delinquent groups. Finally, chisquared tests were performed to find out different aspects in discrepancies. Results: There was a statistically significant discrepancy in reports on childhood trauma between parents and adolescents in delinquent group rather than those in general group. In addition, the proportion of the subjects which only parents reported their adolescents’ childhood trauma was significantly higher in the delinquent group than general group, especially on physical abuse, emotional neglect and physical neglect. Conclusion:The wider gap of perceived childhood trauma between delinquent adolescents themselves and their parents means it could be related to later psychosocial maladjustment.