BackgroundExercise is one of the effective ways to improve cognition. Different forms of exercises, such as aerobic exercise, resistance exercise, and coordination exercise, have different effects on the improvement of cognitive impairment. In recent years, exergames based on Non-Immersive Virtual Reality have been widely used in entertainment and have gradually been applied to clinical rehabilitation. However, the mechanism of NIVR-Exergames on improving motor cognition has not been clarified. Therefore, the aim of this study is to find whether NIVR-Exergames result in (...) a better neural response mechanism to improve the area of the cerebral cortex related to motor cognition under functional near-infrared spectroscopy dynamic monitoring in comparison with resistance exercise.MethodsA cross-over study design was adopted in this study, and 15 healthy young subjects were randomly divided into group A and group B according to a computerized digital table method. Task 1 was an NIVR-Exergame task, and Task 2 was resistance band stretching. Group A first performed Task 1, rested for 30 min, and then performed Task 2. Group B had the reverse order. The fNIRS test was synchronized in real time during exercise tasks, and heart rate measurements, blood pressure measurements, and 2-back task synchronization fNIRS tests were performed at baseline, Post-task 1, and Post-task 2. The primary outcomes were beta values from the general linear model in different regions of interest, and the secondary outcomes were heart rate, blood pressure, reaction time of 2-back, and accuracy rate of 2-back.ResultsThe activation differences of Task 1 and Task 2 in the right premotor cortex and the left PMC were statistically significant. There were statistically significant differences in the activation of the right supplementary motor area, left dorsolateral prefrontal cortex, left and right PMC between baseline and Post-task 1. The differences in systolic pressure between the two groups at three time points among women were statistically significant.ConclusionIn this study, we found that NIVR-Exergames combined with motor and challenging cognitive tasks can promote the activation of SMA, PMC and DLPFC in healthy young people compared with resistance exercise alone, providing compelling preliminary evidence of the power for the rehabilitation of motor and cognitive function in patients with central nervous system diseases. (shrink)

Housed in one volume for the first time are several of the seminal essays on Du Bois's contributions to sociology and critical social theory: from DuBois as inventor of the sociology of race to Du Bois as the first sociologist of American religion; from Du Bois as a pioneer of urban and rural sociology to Du Bois as innovator of the sociology of gender and culture; and finally from Du Bois as groundbreaking sociologist of education and cultural criminologist to Du (...) Bois as critic of the disciplinary decadence of the discipline of sociology. Unlike any other anthology or critical reader on Du Bois, this new volume offers an excellent overview of the critical commentary on arguably one of the most imaginative and innovative, perceptive and prolific founders of the discipline of sociology. (shrink)

'The problem of the twentieth-century is the problem of the color-line.' Originally published in 1903, The Souls of Black Folk is a classic study of race, culture, and education at the turn of the twentieth century. With its singular combination of essays, memoir, and fiction, this book vaulted W. E. B. Du Bois to the forefront of American political commentary and civil rights activism. The Souls of Black Folk is an impassioned, at times searing account of the situation of African (...) Americans in the United States. Du Bois makes a forceful case for the access of African Americans to higher education, memorably extols the achievements of black culture (above all the spirituals or 'sorrow songs'), and advances the provocative and influential argument that due to the inequalities and pressures of the 'race problem', African American identity is characterized by 'double consciousness'. This edition includes a valuable appendix of other writing by Du Bois, which sheds light on his attitudes and intentions. ABOUT THE SERIES: For over 100 years Oxford World's Classics has made available the widest range of literature from around the globe. Each affordable volume reflects Oxford's commitment to scholarship, providing the most accurate text plus a wealth of other valuable features, including expert introductions by leading authorities, helpful notes to clarify the text, up-to-date bibliographies for further study, and much more. (shrink)

As one of the foundations of existential positive psychology, self-transcendence can bring positive intrapersonal and interpersonal outcomes, especially in the COVID-19 era in which people are suffering huge mental stress. Based on Schwartz's theory of human basic values, the current study combines variable-centered and person-centered approaches to examine the relationships between adolescents' values and mental health across two regions in China. The results generally showed that both self-enhancement and conservation values were positively correlated with depression and loneliness, while both self-transcendence (...) and openness to change values negatively correlated with depression and loneliness. The results also showed that there were four value clusters, and, compared to adolescents in the self-focus and undifferentiated values cluster, all adolescents in the anxiety-free values cluster reported lower depression and loneliness, while all adolescents in the other-focus values cluster reported higher depression and loneliness. The differences between the two regional groups only emerged in depression. Specifically, adolescents in Shanghai have higher levels of depression than adolescents in Qingdao. This study provides some evidence for the new science of self-transcendence among adolescents and also sheds light on how we may improve the level of mental health during the COVID-19 era. (shrink)

This chapter presents an essay by W. E. B. Du Bois that deals with the issue of race. He raises questions such as: What is the real meaning of race. What has, in the past, been the law of race development? What lessons has the past history of race development to teach the rising Negro people? He describes the American Negro Academy, which aims at once to be the epitome and expression of the intellect of the black-blooded people of America, (...) the exponent of the race ideals of one of the world's great races. He concludes by outlining a proposed creed for the Academy. (shrink)

A delightful book of spiritual maxims about a timeless topic-love: how to find it and how to keep it. Hegel called Peter Deunov "a world historical figure whose significance will only gradually be realized over the coming centuries.? In this beautiful gift book, Deunov shares his sacred words of wisdom on the many facets of love. Since time immemorial, human beings have experienced love as an exciting yet often elusive emotion that begs the question-How do you find it? And once (...) you find it, how do you keep it? Our very happiness depends on our ability to love and be loved. Deunov said, ?love brings fullness to life.? By applying his timeless principles, readers will bring fullness to their lives every day. Chapters Include : The Essence of Love, The Language of Love, Man and Woman, Happiness,Falling in Love, Jealousy, The Kiss; Flesh, Passion and Sex. (shrink)

Adenosine‐to‐inosine (A‐to‐I) RNA editing, capable of protein recoding, has evolved independently in animals and fungi. This study proposes adaptive hypotheses regarding its origins and phenotypic significance, suggesting that A‐to‐I editing enhances adaptability by alleviating genetic trade‐offs. In metazoans, its emergence may have been driven by a development‐defense trade‐off associated with transposable element activation during the evolution of multicellularity. Late Devonian cooling and End‐Permian warming are hypothesized to have driven the emergence of extensive A‐to‐I recoding in coleoid nervous systems and Sordariomycete (...) sexual fruiting bodies, respectively. These adaptations may have influenced key evolutionary innovations, including the evolution of metazoan nervous systems, coleoid intelligence, and shell loss, and fungal sexual reproductive structures. Additionally, extensive A‐to‐I recoding is proposed to facilitate accelerated development and specific life‐history strategies in both animals and fungi. This paper provides new perspectives on the evolutionary forces shaping A‐to‐I RNA editing and its role in phenotypic diversity across taxa. (shrink)

Le présent texte a pour objet de discuter les prétentions de l’économie comportementale, notamment la nature des résultats qu’elle revendique. Cette nouvelle branche du savoir s’affiche souvent comme un nouveau paradigme, mais il est aisé de montrer qu’elle ne peut rompre entièrement avec les ambitions interprétatives qui sont traditionnellement celles des sciences sociales. En conséquence, il est faux de penser que l’expérimentation est destinée à remplacer la compréhension, et une mise en perspective historique nous aidera à voir pourquoi.

The distinguished American civil rights leader, W. E. B. Du Bois first published these fiery essays, sketches, and poems individually nearly 80 years ago in the Atlantic, the Journal of Race Development, and other periodicals. This volume has long inspired readers with its militant cry for social, political, and economic reforms for black Americans.

Jessica du Toit wonders if our relationship with our pets can be morally defended.

The technological virtual converges with our contemporary existence in a multitude of ways, which suggests a need to interrogate the question of the virtual existentially. Merleau-Ponty’s existential phenomenological account of embodiment is invaluable in this regard because the virtual is encountered from the basis of the facticity of the embodied individual – a facticity that is closely related to perception and motor intentionality. The current article argues that these characteristics of the body-subject should be taken into consideration in order to (...) develop a clearer description of the virtual. However, beyond an embodied account that relates to early technologies, Merleau-Ponty also presents through his concept of the flesh a novel avenue for the ontological investigation of the virtual. The flesh describes the intertwining of the body-subject and the world, which is suggestive of a new account of the individual’s sensibility in relation to the virtual. An original concept is suggested to describe the existential-ontological structure of the virtual: The embodied screen. The embodied screen as neologism presents an alternative conceptualisation of the coincidence of the body-subject (who understands the world spatially) with the virtual (as non-spatial). By tracing imaginative signification and embodied habitude in terms of the virtual, this article suggests certain existential implications of the virtual for contemporary being. (shrink)

This paper combines domestic and international research results to analyze and study the difference between the attribute features of English phrase speech and noise to enhance the short-time energy, which is used to improve the threshold judgment sensitivity; noise addition to the discrepancy data set is used to enhance the recognition robustness. The backpropagation algorithm is improved to constrain the range of weight variation, avoid oscillation phenomenon, and shorten the training time. In the real English phrase sound recognition system, there (...) are problems such as massive training data and low training efficiency caused by the super large-scale model parameters of the convolutional neural network. To address these problems, the NWBP algorithm is based on the oscillation phenomenon that tends to occur when searching for the minimum error value in the late training period of the network parameters, using the K-MEANS algorithm to obtain the seed nodes that approach the minimal error value, and using the boundary value rule to reduce the range of weight change to reduce the oscillation phenomenon so that the network error converges as soon as possible and improve the training efficiency. Through simulation experiments, the NWBP algorithm improves the degree of fitting and convergence speed in the training of complex convolutional neural networks compared with other algorithms, reduces the redundant computation, and shortens the training time to a certain extent, and the algorithm has the advantage of accelerating the convergence of the network compared with simple networks. The word tree constraint and its efficient storage structure are introduced, which improves the storage efficiency of the word tree constraint and the retrieval efficiency in the English phrase recognition search. (shrink)

A fundamental principle of the Christian faith is that man is saved by the grace and by faith in the Triune God, not by deeds. Yet, James emphasises the importance of works after the Christian has been saved. Jesus said during his ministry on earth that he did not come to be served, but to serve. Faith is therefore seen in deeds, specifically deeds of love, that is, deeds that indicate that the Christian is not leading an egocentric life anymore, (...) but a life characterised by considering his or her fellow human beings and reaching out to them. Eighteen years after apartheid, South Africa is still a country striving to build a nation and to be healed. Marches and protests against poor public service deliveries have become a well-known sight in society. Despite the larger picture of inadequate service, there are those who serve their fellow humans and society every day. The Mamas Africa utilising the minimum resources available, are examples of people who make a difference in society every day. The concept Mama Africa indicates all women from all races who are making a difference in the South African society by promoting mutual bonding. The motivation for their deeds is a deep faith in God, who is the source of hope and a conviction that a Christian has to serve others. (shrink)