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스포츠 용품소비자의 심리욕구가 구매동기 및 구매만족에 미치는 영향
오지훈 한국스포츠학회 2018 한국스포츠학회지 Vol.16 No.2
본 연구는 스포츠 용품 소비자의 기본적 심리욕구와 구매동기 및 구매만족의 관계를 규명하기 위한 목적으로 진행되었다. 그리고 이러한 목적을 달성하기 위해 소비자의 기본적 심리욕구와 소비자의 구매동기 및 구매 만족의 관계 를 검증하였다. SPSS 18.0과 AMOS 18.0을 이용하여 기본적 심리욕구와 구매동기 및 구매만족척도의 타당도 및 신뢰 도 검증을 실시하였으며 각 요인간의 관계는 AMOS 18.0을 이용하여 상관분석과 공분산구조분석을 통하여 분석하였 다. 분석결과는 다음과 같다. 첫째, 기본적 심리욕구와 구매동기의 관계에서는 기본적 심리욕구가 구매동기에 정적영 향을 미치는 것으로 나타났다. 둘재, 기본적 심리욕구와 구매만족의 관계에서는 기본적 심리욕구가 구매만족에 정적영 향을 미치는 것으로 나타났다. 넷째, 구매동기와 구매만족의 관계에서는 구매동기가 구매만족에 정적영향을 미치는 것 으론 나타났다. This study was to verify the structural relationships among basic psychological need, motivation, and satisfaction of sporting goods consumer. The data were collected out of athletes and sport group member in Seoul, Gyonggi, Daejeon, Daegu, Gwangju and Busan area, and total 568 copies of data were utilized in this study. To verify the relationships among sporting goods consumer basic psychological need, consumption motivation and consumption satisfaction, the construct validity and reliability for each factor were analyzed using SPSS18.0 and AMOS18.0 program. And the relationships among three factors were analyzed using covariance structural analysis. The results were as follows. First, basic psychological need of sporting goods consumer had positive effects on consumption motivation. Second, basic psychological need of sporting goods consumer had positive effects on consumption satisfaction. Third, consumption motivation of sporting goods consumer had positive effects on consumption satisfaction.
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오지훈,김구연,김홍진 대한건축학회지회연합회 2022 대한건축학회연합논문집 Vol.24 No.2
Continuous monitoring is required for maintenance of building structures, and displacement measurement of structures is very important for evaluation of usability and safety among Structural Health Monitoring (SHM) items but there are many limitations to measurement of displacement of structures. Vision-based Displacement System (VDMS) was developed to solve the problem of general structure displacement measuring device. However, the existing VDMS has limitations in that it cannot perform real-time measurement or use the hardware developed by the research team to quickly replace parts when an error occurs during use. As an alternative to solve this problem, the hardware of real-time VDMS can be used as a Single Board Computer (SBC). In this study, Raspberry Pi 4B and Raspberry Pi HQ cameras were used as general-purpose SBC and camera, and an image analysis procedure for real-time VDMS was developed. Displacement measurement results of real-time VDMS using the developed SBC did not have large errors with existing displacement measurement equipment, so the validity could be verified. Based on the experimental results, real-time VDMS using SBC is expected to be able to replace VDMS requiring post-processing.
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인지기능 저하 노인에서 베타아밀로이드 양전자방출단층촬영의 효용성에 대한 증례군 보고 및 고찰
오지훈,나세정,이승엽,이해국,이경욱,권용실,안류연,이성용,이정태 대한노인정신의학회 2016 노인정신의학 Vol.20 No.1
The aim was to evaluate the diagnostic utility of beta-amyloid positron emission tomography (PET) in elderly patients with cognitive impairment in the clinical setting. Five subjects underwent beta-amyloid PET imaging to explore the cerebral beta-amyloid deposition. The two male patients with minor neurocognitive disorder due to Alzheimer’s disease, who displayed similar degree of cognitive impairment and medial temporal atrophy but different in apolipoprotein E4 status, both showed negative for beta-amyloid PET. On the other hand, a female major neurocognitive disorder due to probable Alzheimer’s disease patient was tested positive for beta-amyloid PET, with increased beta-amyloid density in frontal and parietal lobes. Beta-amyloid PET was also used for the differential diagnosis of neurocognitive disorder from other psychiatric disorders in two elderly patients. The results were negative but assisted the diagnositic confirmation. A female patient was determined to be a case of late-onset schizophrenia and a male patient was determined as delirium due to minor traumatic brain injury, persistent. Beta-amyloid PET imaging was able to demonstrate cerebral beta-amyloid deposition in major neurocognitive disorder due to probable Alzheimer’s disease in visual scale. However, further studies are needed for its clinical utility in the minor neurocognitive disorders. Moreover, beta-amyloid PET imaging may provide additional information in diagnosing primary psychiatric disorders with new onset in the old age.
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오지훈 한국공업화학회 2018 한국공업화학회 연구논문 초록집 Vol.2018 No.0
전기화학적 이산화탄소 전환은 이산화탄소를 다양한 화학 피드스톡과 화학 연료로 전환할 수 있는 친환경 에너지 기술로 많은 관심을 받고 있다. 이산화탄소 전환 전기화학 촉매는 금, 은, 구리 등과 같은 금속이 쓰이면 그 소재에 따라 다양한 환원 물질로 변환이 가능하다. 예를 들어 금과 은은 CO<sub>2</sub>를 CO로, 구리는 다양한 탄화수소로 이산화탄소 환원이 가능하다. 그러나 기존의 이산화탄소 전환은 높은 과전압, 낮은 산물 선택도와 수용액 내 이산화탄소의 낮은 용해도로 인해 전환 효율이 매우 낮은 실정이다. 이번 발표에서는 이러한 문제를 극복하기 위한 다양한 접근법에 대해서 논하고자 한다. 우선 형상이 제어된 금 나노 구조 입자를 통해 촉매 활성 자리와 전해질 국부 환경이 이산화탄소 전환 특성에 끼치는 영향을 조사하였다. 또한 이산화탄소의 낮은 수용해성을 극복하기 위한 방법으로 기체 확산 전극을 이용한 이산화탄소 기체 반응에 대해서 논하고자 한다.
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오지훈,정재승,Oh, Ji-Hoon,Jeong, Jae-Seung 대한생물정신의학회 2012 생물정신의학 Vol.19 No.1
The primary purpose of this review is to present an overview of relationship between human spontaneous eyeblinking and internal cognitive processes. The second purpose is to address the neural substrates of human eyeblinking based on recent studies focusing on the central dopaminergic system and to explore the significance of spontaneous eyeblinks in neuropsychiatric disorders. We reviewed recent and previous studies on eyeblink patterns under various cognitive tasks. We also reviewed neural substrates of eyeblinking, particularly based on the central dopaminergic system. This paper suggests that spontaneous eyeblinks are highly correlated with various cognitive processes and the activity of central dopaminergic system. Various neuropsychiatric disorders are related to the alteration of the occurrence of eyeblinking. Spontaneous eyeblinking is the unique human behavior that occurs regularly without conscious effort. It is known that the rate of eyeblinking is modulated by internal cognitive processes and dopamine-related neuropsychiatric disorders. Further research is required to how the temporal dynamics of spontaneous eyeblinking is correlated with the disease activity and progression.
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