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권오영,Kwon, Oh-young 한국항공운항학회 2021 한국항공운항학회지 Vol.29 No.1
Just culture is an important factors in safety culture, and is related to the degree to which potential risk information is shared. Since the importance of the level of just culture has been highlighted in the aspect that it is related to the prevention of various safety accidents, research on just culture was required. In previous studies, there are attempts to develop a scale to measure the level of just culture and to reveal the degree of predicting the experience of accidents or errors and the actual reporting experience. However, It was not possible to clarify the factors that facilitate and inhibit the level of just culture for the formation of just culture. This study was conducted to help improve the level of the organization's just culture by specifically identifying factors that facilitate and inhibit the impact on the level of the just culture. As a result, it was possible to find the facilitating and inhibiting factors affecting the 6 factors of just culture.
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권오영,신승환 한국항공운항학회 2022 한국항공운항학회지 Vol.30 No.4
The aim of this study was to analyze pilots' safety consciousness and grit level, and the correlations between them. Participants were 142 pilots for pilot qualification (n=78), certification 1 (n=12), and 2 (n=52) level. The data were gathered from questionnaire for safety consciousness and grit scale from April to August 2022. Statistical treatment were processed (by SPSS 21.0 for windows) by descriptive analysis for all variables. One-way ANOVA was processed for analyze pilots' safety consciousness and grit scale by their groups. And the correlations were analyzed for investigating relations between them. Statistical significancy was set as p<.05. The results were as follows. First, pilots' safety consciousness showed higher trend in certification 1, qualification and certification 2 as considerable. The grit scale showed higher trend in qualification, certification 2 and 1 in order. The grit and its subfactor passion showed significance (p<.05). Second, the correlations among factors showed significance(p<.05). Conclusionly, safety consciousness was importantly recognized to the certification 1(F-4/5) pilots and grit to qualification pilots. The limit of this research was in small sample size, although need further study for practical using.
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권오영 대한임상신경생리학회 1999 Annals of Clinical Neurophysiology Vol.1 No.2
Hippocampal slice models can be a powerful tool to study the mechanism of partial epilepsy. Despite the loss of connection with the rest of the brain, in vitro hippocampal slice preparations allow detailed physiological and pharmacological studies, which would be impossible, in vivo. There are several methods to induce electrographic seizures on hippocampal slice models. Those are electrical pulse train stimulation, 0 Mg2+ artificial cerebrational fluid and high concentration of extracelluar K+ on bath. Among them, the electrically triggered seizure may mimic the physiological communication between neuronal populations without any deterioration of normal physiologic and chemical status of the hippocampal slice models. Presumably, such communication from hyperexcitable areas to other neuronal populations is involved in the development of epilepsy. Eelectrographic seizures in hyppcampal slice models occur in the network of neurons that are involved in epileptic seizures in the hippocampus in vivo. Because these models have many advantages and are very valuable to research of epileptogenesis on partial epilepsy, I would like to introduce the electrophysiological methods to induce electrographic seizure or epilepsy on hippocampal slice models briefly in this paper.
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