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BRAIN POTENTIALS OF ONLINE CONTENT EMOTIONALITY ON SOCIAL MEDIA
Yujing Huang,Jia Jin,Hao Ding,Yizhou Shao,Bonai Fan,Qingguo Ma 글로벌지식마케팅경영학회 2018 Global Marketing Conference Vol.2018 No.07
Introduction Current research investigated whether emotionality of content would facilitate the possibility to share information on social media by using event-related potentials. Theoretical development Emotionality is an excitatory state which evokes autonomic nervous system. Previous studies suggested that stimuli with high emotionality elicited increased P100/P200 amplitudes relative to stimuli with low emotionality (Huang & Luo, 2006). Research design We tested the purpose in an affective priming paradigm in which participants were exposed to online content (i.e. the prime stimulus) followed by a stimulus (i.e. the target stimuli) from International Affective Picture System. Participants were required to judge whether the target was neutral white picture. Next, a nine-point Likert scale was followed to assess the level of emotionality for online content. Result and conclusion We observed a congruency effect in the priming effect. More importantly, early brain potentials P100/P200 were higher when participants were exposed to online content with more possibility to share than online content with less possibility to share. This finding could be explained by the response level account theory (Fazio, 2001). This study provides an insight to neural mechanism underlying emotionality of online content.
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An Improved Ground Motion Model Based on Spatial Random Field
( Ye Yizhou ),( Huang Yu ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
Reasonable ground motion input is very important for studies of earthquake hazard analysis and the seismic design of engineering structures in high seismic intensity area. Due to the fact that the ground motion characteristics are strongly affected by the slip distribution of earthquake rupture, the source parameters and the relationship between the moment magnitude are established from the physical mechanism of earthquake source. We establish the multi-parameter correlation random field source model about the source, the rise time, and the scaling of rupture to show the random characteristics of seismic source better. Choose three commonly used correlation functions such as the Gaussian, exponential and Von Karman correlation function, to control the spatial statistics of slip distribution and define the covariance matrix. On this basis, this study attempts to use the Green’s function to describe the uncertainties in earthquake source and the path of seismic waves. Then, it establishes a bedrock seismic motion model which can reflect the effect of earthquake source uncertainties, and take Cascadia subduction zone as an example, uses the improved spatial random field model to simulate the stochastic slip of faults and obtain the random earthquake ground motion. The final results show the model is a good method for strong ground motion simulation.
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Bianyun Cai,Delin Yuan,Guangda Li,Kun Lei,Meng Han,Yizhou Huang,Zhijun Guo 대한금속·재료학회 2023 METALS AND MATERIALS International Vol.29 No.11
This study aimed to improve osteointegration performance of the new innocuous Ti–18Zr–13Mo implant through constructinghierarchically structured bioactive coating. A micro/nano-scaled fibrous network topography as well as bioactive componentsof calcium phosphate compounds were assigned to Ti–18Zr–13Mo alloy surface by a two stepped hydrothermal processfor making its physical structure and chemical composition more closer to natural bone tissue. Scanning electron microscopy,transmission electron microscope, energy dispersive spectrometer, X-ray diffraction, X-ray photoelectron spectroscopy,atomic force microscopy and contact angle measurement had been applied to characterize the surface coating. Furthermore,we in-depth explored the formation process and mechanism of the hybrid bionic coating using knowledge of energetic andcrystallography. Following the treatment, the coated Ti–18Zr–13Mo implant showed significant boosting of MC3T3-E1osteoblasts’ activity, adhesion and differentiation ability in vitro. The modification technology of the hierarchical bioactivecoating can provide a strong guarantee for practical orthopedic and dental applications of Ti–18Zr–13Mo implant. Besides,the promising results will further expand the research fertile ground of Ti-based alloy and other metal implant and prosthesis.
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Shuyin Ma,Meijuan Zhang,Huiyang Qu,Yuxuan Cheng,Shuang Du,Jiaxin Fan,Qingling Yao,Xiao Dong Zhang,Mengying Chen,Nan Zhang,Kaili Shi,Yizhou Huang,Shuqin Zhan 대한신경과학회 2022 Journal of Clinical Neurology Vol.18 No.1
Background and Purpose Collateral circulation is considered an important factor affecting the risk of stroke, but the factors that affect collateral circulation remain unclear. This study was performed to identify the factors associated with collateral circulation, especially blood lipids. Methods The study involved patients who had undergone digital subtraction angiography and were confirmed as having severe unilateral stenosis or occlusion of the internal carotid artery (ICA). We classified the collateral circulation status of each patient as good (Grade 3 or 4) or poor (Grade 0, 1, or 2) according to the grading system of the American Society of Interventional and Therapeutic Neuroradiology/American Society of Interventional Radiology. We collected data on patients’ characteristics and identified the factors that affect collateral circulation. Results This study included 212 patients. The multivariate logistic regression analysis showed that the high-density lipoprotein cholesterol (HDL-C) concentration and a complete anterior half of the circle of Willis were independent protective factors for good collateral circulation, whereas elevated lipoprotein(a) [Lp(a)] and serum creatinine concentrations were independent risk factors for good collateral circulation. The area under the receiver operating characteristics curve (AUC) was 0.68 (95% confidence interval [CI], 0.61–0.76) for HDL-C and 0.69 (95% CI, 0.62–0.76) for Lp(a). A binary logistic regression model analysis of the joint factor of HDL-C and Lp(a) yielded an AUC of 0.77 (95% CI, 0.71–0.84). Conclusions In patients with severe unilateral ICA stenosis or occlusion, the combination of HDL-C and Lp(a) is a useful predictor of collateral circulation.
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