Exact solutions of epidemic models are critical for identifying the severity and mitigation possibility for epidemics. However, solving complex models can be difficult when interfering conditions from the real-world are incorporated into the models. In this paper, we focus on the generally unsolvable adaptive susceptible-infected-susceptible epidemic model, a typical example of a class of epidemic models that characterize the complex interplays between the virus spread and network structural evolution. We propose two methods based on mean-field approximation, i.e., the first-order mean-field (...) approximation and higher-order mean-field approximation, to derive the exact solutions to ASIS models. Both methods demonstrate the capability of accurately approximating the metastable-state statistics of the model, such as the infection fraction and network density, with low computational cost. These methods are potentially powerful tools in understanding, mitigating, and controlling disease outbreaks and infodemics. (shrink)

The visual system is known to extract summary representations of visually similar objects which bias the perception of individual objects toward the ensemble average. Although vision plays a large role in guiding action, less is known about whether ensemble representation is informative for action. Motor behavior is tuned to the veridical dimensions of objects and generally considered resistant to perceptual biases. However, when the relevant grasp dimension is not available or is unconstrained, ensemble perception may be informative to behavior by (...) providing gist information about surrounding objects. In the present study, we examined if summary representations of a surrounding ensemble display influenced grip aperture and orientation when participants reached-to-grasp a central circular target which had an explicit size but importantly no explicit orientation that the visuomotor system could selectively attend to. Maximum grip aperture and grip orientation were not biased by ensemble statistics during grasping, although participants were able to perceive and provide manual estimations of the average size and orientation of the ensemble display. Support vector machine classification of ensemble statistics achieved above-chance classification accuracy when trained on kinematic and electromyography data of the perceptual but not grasping conditions, supporting our univariate findings. These results suggest that even along unconstrained grasping dimensions, visually-guided behaviors toward real-world objects are not biased by ensemble processing. (shrink)

Due to the COVID-19 outbreak, a series of chain reactions, like international trade breakdown, stock market collapse, and crude oil's collapse, have adversely affected the global economy, particularly small and medium-sized enterprises. As a result, the Chinese government issued many fiscal and financial policies to support SMEs. This paper analyzes SMEs' coping methods and conceptual changes affected by the epidemic and distinguishes “victims” and “beneficiaries.” Subsequently, based on extensive international experience and local government experience, it provides effective suggestions for the (...) Chinese government to deal with the post-epidemic era's economic changes, policy suggestions, and coping strategies for SMEs' short-term and long-term sustainable development. (shrink)

Drawing on the theory of planned behavior, we investigate the legitimacy of platform governance and whether consumers with greater ranges of risk propensity are more likely to purchase innovative products. This study develops a moderated mediation model involving risk propensity, cognitive legitimacy, purchase intention and perceived benefit. To examine our hypotheses, we conducted a survey of 315 consumers from Shanghai, China. The results reveal that risk propensity is positively related to consumers’ purchase intentions, in which cognitive legitimacy plays a mediating (...) role. Furthermore, the interaction suggests that perceived benefit moderates the relationship between risk propensity and cognitive legitimacy. (shrink)

In 2020, the sudden outbreak of coronavirus disease 2019 has had a great impact on the health and life of people all over the world, and the sports industry is facing unprecedented challenges due to its participation and strong clustering. Based on the questionnaire survey, literature analysis, and other research methods, this study introduces the stimulus-organism-response theory, takes the sports and consumption of Kunshan citizens as the research subject, and draws lessons from the structural equation model to build a theoretical (...) model of sports consumption characteristics and future consumption willingness. The results of empirical analysis show that physical sports consumption has been greatly affected by the epidemic, but because people realize the importance of sports, the willingness of residents to consume sports increases, and the venue and other factors affect the ornamental and participating sports consumption willingness decreases. At the same time, the restrictive factors, such as lower educational background, increased age, and lack of time, make the sports consumption willingness of this characteristic group significantly lower than that of other citizens. This study puts forward some suggestions for relevant government departments to improve the sports consumption willingness of citizens. In order to expand the development prospect of sports industry from a long-term perspective, it can provide reference for the development of sports consumption. (shrink)

Understanding the neural basis of schizophrenia (SZ) is important for shedding light on the neurobiological mechanisms underlying this mental disorder. Structural and functional alterations in the anterior cingulate cortex (ACC), dorsolateral prefrontal cortex (DLPFC), hippocampus, and medial prefrontal cortex (MPFC) have been implicated in the neurobiology of SZ. However, the effective connectivity among them in SZ remains unclear. The current study investigated how neuronal pathways involving these regions were affected in first-episode SZ using functional magnetic resonance imaging (fMRI). Forty-nine patients (...) with a first-episode of psychosis and diagnosis of SZ—according to the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision—were studied. Fifty healthy controls (HCs) were included for comparison. All subjects underwent resting state fMRI. We used spectral dynamic causal modeling (DCM) to estimate directed connections among the bilateral ACC, DLPFC, hippocampus, and MPFC. We characterized the differences using Bayesian parameter averaging (BPA) in addition to classical inference (t-test). In addition to common effective connectivity in these two groups, HCs displayed widespread significant connections predominantly involved in ACC not detected in SZ patients, but SZ showed few connections. Based on BPA results, SZ patients exhibited anterior cingulate cortico-prefrontal-hippocampal hyperconnectivity, as well as ACC-related and hippocampal-dorsolateral prefrontal-medial prefrontal hypoconnectivity. In summary, spectral DCM revealed the pattern of effective connectivity involving ACC in patients with first-episode SZ. This study provides a potential link between SZ and dysfunction of ACC, creating an ideal situation to associate mechanisms behind SZ with aberrant connectivity among these cognition and emotion-related regions. (shrink)

ObjectiveWe wished to explore Parkinson's disease subtypes by clustering analysis based on the multimodal magnetic resonance imaging indices amplitude of low-frequency fluctuation and gray matter volume. Then, we analyzed the differences between PD subtypes.MethodsEighty-six PD patients and 44 healthy controls were recruited. We extracted ALFF and GMV according to the Anatomical Automatic Labeling partition using Data Processing and Analysis for Brain Imaging software. The Ward linkage method was used for hierarchical clustering analysis. DPABI was employed to compare differences in ALFF (...) and GMV between groups.ResultsTwo subtypes of PD were identified. The “diffuse malignant subtype” was characterized by reduced ALFF in the visual-related cortex and extensive reduction of GMV with severe impairment in motor function and cognitive function. The “mild subtype” was characterized by increased ALFF in the frontal lobe, temporal lobe, and sensorimotor cortex, and a slight decrease in GMV with mild impairment of motor function and cognitive function.ConclusionHierarchical clustering analysis based on multimodal MRI indices could be employed to identify two PD subtypes. These two PD subtypes showed different neurodegenerative patterns upon imaging. (shrink)

ObjectiveThis study aimed to investigate the morphometric alterations in the cortical and subcortical structures in multiple system atrophy patients with mild cognitive impairment, and to explore the association with cognitive deficits.MethodsA total of 45 MSA patients and 29 healthy controls were recruited. FreeSurfer software was used to analyze cortical thickness, and voxel-based morphometry was used to analyze the gray matter volumes. Cortical thickness and gray matter volume changes were correlated with cognitive scores.ResultsCompared to healthy controls, both MSA subgroups exhibited widespread (...) morphology alterations of brain structures in the fronto-temporal regions. Direct comparison of MSA-MCI and MSA-only patients showed volume reduction in the left superior and middle temporal gyrus, while cortical thinning was found in the left middle and inferior temporal gyrus in MSA-MCI patients. Cortical thinning in the left middle temporal gyrus correlated with cognitive assessment and disease duration.ConclusionStructural changes in the brain occur in MSA-MCI patients. The alteration of brain structure in the left temporal regions might be a biomarker of cognitive decline in MSA-MCI patients. (shrink)

本書從多維度研究了國外意識形態新變化，即從傳統意識形態的新變化、當代新出現的意識形態、社會主義意識形態的新發展、蘇共意識形態的終結及其原因等維度，對當代國外意識形態從實踐到理論、從宏觀到微觀、從內容到 形式、從類型到結構、從特徵到功能、從存在方式到傳播方式、從形成機制到作用機制、從研究視角到研究方法等方面進行較全面的研究，分析了國外意識形態新變化對我國主流意識形態建設的影響、挑戰與啟迪，並對我國社會 主義意識形態建設策略提出建議。.

Ben shu fen wei yi ban ke xue zhe xue,Zi ran ke xue zhe xue yu shu xue zhe xue,She hui ke xue zhe xue,Ren zhi yu xin li xue zhe xue,Ke xue ji shu yu she hui wu ge bu fen,Ju ti nei rong bao kuo:gui fan xing wen ti de yu yi zhuan xiang yu yu yong jin lu,Gui ze zun xun yu yi yi de gui fan xing,Dang dai wu li xue zhe xue de yan jiu xian (...) zhuang ji qu shi,Guai ren jia she yu fu xian xiang lun deng. (shrink)

本书内容包括:STS与东亚国家的工业化、城市化和国际化;STS与中国东北老工业基地改造和振兴的战略与对策;科学技术与文化;文化背景中的创新:科技创新、制度创新、管理创新和体制创新等问题;其他STS研究 的基本理论与现实问题。.

For thousands of human’s history, we have learned how to fake or hide our genuine feelings and emotion to our surrounding folks intentionally or unconsciously. It is an irony that this is what we call emotion intelligence to get more interests, show our politeness, tackle the dilemma, or deal with many other complicated situations. Posed smiles are one of the most common faked expressions in our daily life. Indeed, it is a challenge for computer vision system to recognize genuine from (...) posed smile of an individual, not even for human brains sometimes. Recently, an interesting work by Guo et al.(Guo, et al., 2018) employed computer vision techniques to investigate the potential differences in duration, intensity, speed, symmetry of the lip corners, and certain irregularities between genuine and posed smiles based on the UvA-NEMO Smile Database. The results are quite rewarding since they found that genuine smiles were correlated with higher onset, offset, apex, and total durations, as well as offset displacement, and Irregularity-b, compared with posed smiles. In addition, posed smiles were correlated with higher onset and offset Speeds, Irregularity-a, Symmetry-a, and Symmetry-d.We can’t agree with the saying that only a handful of studies on the dynamic features of facial expressions have been conducted due to the lack of user-friendly analytic tools. For the past decades, hundreds of studies focused on dynamic features of facial expressions (Ko, 2018, Sandbach, et al., 201... (shrink)

本书是国家社会科学基金课题《唐末五代十国儒学研究》的研究成果，该课题以唐末五代十国时期的儒学为研究对象，把儒学范式的转变作为研究的中心问题，着重探讨了在唐宋社会变革的背景下，唐末五代十国时期儒学的范式 转变。本书通过考察唐末五代十国时期儒学核心概念、基本范畴的演进，寻绎出其在历史语境中“惟精惟微”的变化，提出如下观点：唐末五代十国儒学，是“唐宋变革”在学术形态上的重要表现，也是对这一时期社会巨变的思 想回应。唐末五代十国儒学是一种新范式的儒学，显示出由汉唐儒学向宋代儒学嬗变的过渡特点。.

Du Weiming xian sheng shi dang dai yan jiu he chuan bo ru jia wen hua de zhong yao si xiang jia. Ta 1940 nian chu sheng yu Kunming, xian hou qiu xue yu Taiwan dong hai da xue he Meiguo Hafo da xue, ren jiao yu Pulinsidun da xue, Bokeli Jiazhou da xue. Zi 1981 nian, Du Weiming xian sheng yi zhi zai Hafo da xue Dong Ya xi dan ren li shi ji zhe xue jiao shou,qi jian huo (...) xuan Meiguo ren wen she hui ke xue yuan yuan shi, hai ceng dan ren Hafo Yanjing xue she she zhang. Chang qi yi lai, Du Weiming xian sheng zhi li yu ru xue di 3 qi fa zhan, quan shi Zhongguo wen hua, fan si xian dai jing shen, chang dao wen ming dui hua, zai hai nei wai xiang you hen gao de xue shu sheng yu. Du xian sheng fei chang re xin Zhongguo you xiu chuan tong wen hua zai ben tu de chuan bo, duo ci hui guo can jia jiao yu he xue shu jiao liu huo dong. Ta yu Beijing da xue you zhe te shu de yuan fen,zao zai 1985 nian jiu lai Beijing da xue jiang shou ru jia zhe xue. Zui jin Du Weiming xian sheng yi zheng shi shou pin wei Beijing da xue gao deng ren wen yan jiu yuan yuan zhang. (shrink)

Ben shu hui ji le zhu zhe de wei rao 20 shi ji zi ran ke xue yan jiu zhong suo she ji"ke xue ben yuan"yi ji"ke xue fang fa lun"deng ji ben ming ti,Zhen dui jin xie nian fa sheng zai guo nei wai ke xue sheng huo zhong mou xie zhong da shi jian suo zuo de ruo gan fan si.

This research topic (RT) focused on the impact of fitness on cognitive function and development in adolescents and elderly adults from the standpoint of lifespan neuroscience. Adolescent brain development is characterized by multimodal integration of brain anatomical features and function, according to accumulating evidence. The elderly, on the other hand, suffer from age-related cognitive deterioration. Fitness may be a major factor influencing brain growth and cognitive performance throughout these two critical times for neurological development. It is a multidimensional notion that (...) includes cardiovascular fitness, muscular strength and endurance, flexibility, and body composition, as well as motor fitness (balance, agility, speed, power, and coordination). Adolescents and older people may be responsive to intervention trials aimed at improving fitness levels, such as outdoor activities, cardiovascular exercise, and mind-body practice since brain network integration and neural efficiency are rapidly altered during this period. This RT investigates how fitness influences structural and functional brain development, particularly cognitive functions, and emotional health in adolescents and elderly people, as well as training strategies that may assist cognitive progress throughout this time. It includes a clinical trial (1) and original research papers (4) on the influence of fitness on cognitive function and development in adolescents and elderly adults from a lifespan neu... (shrink)

People have a capacity to imaginatively recreate mental states that they themselves do not have. These recreative states are referred to as ‘I-states’. Several philosophers, such as Gregory Currie,...

In recent years, Liu Qingping 劉清平 has published a series of articles criticizing Confucian ethics in its modern context (see various articles by Liu), which has drawn the attention of many scholars. My friends and I have debated with him and his allies on this issue (See Guo 2002, Yang Haiwen 2002, Yang Zebo 2003, 2004a, 2004b, Ding 2003, 2005a, 2005b, Gong 2004, Guo and Gong 2004, and Wen 2005). Most of the important articles in the debate are now collected (...) in a volume I edited, A Collection of Contentions about Confucian Ethics: Focusing on the Mutual Concealment among Family Members (Guo 2005 [ed.]). In the following, I attempt to respond to some of Liu’s criticisms of Confucian ethics. (shrink)

This study sheds new insight on how historically oppressed and marginalized actors are able to pursue environmental sustainability based on alternative worldviews (e.g., Indigenous worldviews) rather than succumbing to those dominant in the Western society, based on a study of the Syilx (“Okanagan”) people in British Columbia, Canada. We found that the Syilx people enacted the ethical practice of _nʕawqnwixʷ_ (“the reciprocal gentle dropping of thoughts, like water, into everyone’s minds to address the issue at the centre of discussion and (...) to reach collective consensus for action”), anchored in the Syilx worldview, to reconstruct the relationships between humans and nature. Two overlapping processes are involved: developing foundational principles for human–nature relations and carrying out reconstruction work. Ongoing enactment of _nʕawqnwixʷ_ practice provided community-based agency, enabling the Syilx people to shift the conversation around environmental sustainability. From this, we discuss the theoretical potential of community-based agency for the study of environmental sustainability, and the role of Indigenous worldviews for (re)imagining human-nature ethics (and reorienting the theoretical lens of human-animal or human-plant ethics form a firm-centric focus to a community-oriented lens), and important implications for practitioners and policymakers in the field of environmental sustainability. (shrink)

Qingping åŠ‰æ¸ å¹³ has published a series of articles criticizing Confucian ethics in its modern context (see various articles by Liu), which has drawn the attention of many scholars. My friends and I have debated with him and his allies on this issue (See Guo 2002, Yang Haiwen 2002, Yang Zebo 2003, 2004a, 2004b, Ding 2003, 2005a, 2005b, Gong 2004, Guo and Gong 2004, and Wen 2005). Most of the important articles in the debate are now collected in a volume (...) I edited, A Collection of Contentions about Confucian Ethics: Focusing on the Mutual Concealment among Family Members (Guo 2005 [ed.]). In the following, I attempt to respond to some of Liu’s criticisms of Confucian ethics. (shrink)

The guide dog robot (GDR) is a low-speed companion robot that serves visually impaired people and is used to guide blind people to walk steadily, carrying a variety of intelligent technologies and needing to have the ability to guide with optimal energy consumption in specific scenarios. This paper proposes an innovative technique for virtual-real collaborative path planning and navigation of the GDR specific indoor scenarios, and designs an experimental method for virtual-real collaborative path planning of the GDR specific scenarios. The (...) energy consumption integral equation is used to solve for the energy consumption of the GDR with virtual-real synergy, and the difference in energy consumption is compared for three different navigation directions: horizontal, vertical and oblique obstacle avoidance. The results show that the optimized GDR saves 6.91% in rectilinear movement and 10.60% in curved movement. The efficiency of planning and navigating the GDR in specific domestic scenarios is verified by a virtual-real cooperative. The realization of optimal path planning for energy consumption is instrumental in exploring many of the most significant thought in the path planning and navigation of mobile robots in indoor specific scenarios. (shrink)

This essay explores a proper Confucian vision on genetic enhancement. It argues that while Confucians can accept a formal starting point that Michael Sandel proposes in his ethics of giftedness, namely, that children should be taken as gifts, Confucians cannot adopt his generalist strategy. The essay provides a Confucian full ethics of giftedness by addressing a series of relevant questions, such as what kind of gifts children are, where the gifts are from, in which way they are given, and for (...) what purpose they are given. It indicates that Confucians should sort out different types of enhancement and bring them to the test of the Confucian values in terms of both Confucian virtue principles and specific ritual rules. It concludes that Confucians can accept some types of enhancement but must reject others. (shrink)

The essential purpose of this research study is to measure the impact of the applications of traditional Chinese philosophical thinking in film and television music composition; for measuring, the research study used open-ended and closed-ended questions related to the variables. This research study depends upon primary data analysis for collecting data associated with traditional Chinese philosophical thinking and music composition. These data were collected from film industries, directors, and actors in musical department research conducted in China. For measuring, the research (...) used smart PLS and run different results related to the variables, including independent and dependent variables. Indicator correlation, discriminant validity, and composite reliability are all tests run for measuring the research. The smart PLS Algorithm model explains the impact with each other. The overall result found a positive and significant effect on the applications of traditional Chinese philosophical thinking in film and television music composition. (shrink)

This paper presents a formalization of the classical proof of completeness in Henkin-style developed by Troelstra and van Dalen for intuitionistic logic with respect to Kripke models. The completeness proof incorporates their insights in a fresh and elegant manner that is better suited for mechanization. We discuss details of our implementation in the Lean theorem prover with emphasis on the prime extension lemma and construction of the canonical model. Our implementation is restricted to a system of intuitionistic propositional logic with (...) implication, conjunction, disjunction, and falsity given in terms of a Hilbert-style axiomatization. As far as we know, our implementation is the first verified Henkin-style proof of completeness for intuitionistic logic following Troelstra and van Dalen's method in the literature. (shrink)

2020年，新冠肺炎病毒在全球爆發，威脅公眾健康、打亂生活節奏、衝擊社會經濟。病毒沒有種族，也沒有國界，人們在共同面對這一瘟疫大挑戰時，健康價值固然重要，與此同時，倫理道德和人類價值如平等、自由、公正 等同樣不能忽略。 本書收錄二十多篇，由兩岸三地的學者撰寫的重大議題文章，從基礎倫理、防控倫理、法律倫理、醫療倫理、責任倫理、關懷倫理六個角度，探討如何在大疫當前的困境下，建構中國生命倫理學。書中提出多個引人反思道德傳統 、倫理精神和價值取向的問題，如防控措施與個人權利應如何平衡？健康碼的追蹤程序能否保障個人隱私權？醫療資源稀缺情況下限制老人的醫療供給是否合理？如何保障一線醫護人員的基本安全？ 作者期望通過本書補充生命倫理學的「缺如」，並為健全社會防疫意識、完善醫療衛生體系、增強道德研究，以及建構具有中國特色的生命倫理學盡一分力。在此疫情仍然嚴峻的今日，絕對值得一讀。.