Mediamusic (E-Journal)
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The interaction between wheelchair configuration and wheeling performance in wheelchair tennis:a narrative review
No full textThe number of wheelchair tennis players is rising internationally, yet from a scientific perspective little is known about wheelchair tennis performance. Wheelchair tennis is more complex compared to other wheelchair court sports, due to the wheelchair/racket interaction. The purpose of this narrative review was to gain insight into the influence of wheelchair configuration, i.e., the individual set-up of a wheelchair, on wheelchair tennis performance, more specifically on wheelchair mobility performance and propulsion technique. Wheelchair propulsion while holding a racket has had little attention in both the wheelchair mobility performance and wheelchair propulsion technique area. It is shown that the propulsion technique and wheelchair mobility performance are negatively affected by the racket. Based on the current literature, the influence of wheelchair configuration on wheeling performance in wheelchair tennis can mainly be described from a broader wheelchair court sport perspective, due to the lack of specific publications about wheelchair tennis. In the future more research should be conducted on wheeling performance and wheelchair configuration in wheelchair tennis, to attain a more proper scientific foundation for optimising wheelchair tennis performance.</p
Entering into the weak version of translanguaging:Teachers' English use in children's Tamil language classes in Singapore
No full textThe current study investigates the impact of the teachers' societal dominant language use within a weak version of translanguaging in early heritage language education. We explored five preschool teachers' use of English, the dominant majority language, in Tamil heritage language classes in Singapore and examined its impact on 33 children's immediate language production in class and in their Tamil language storytelling at the end of the academic year. Our findings demonstrate that while the conventional thinking of protecting the heritage language's pureness is still dominant, the Tamil language teachers did employ English in their Tamil instruction, and their English use had a substantial variation in frequency. The teachers mostly switched to English due to habituation but not with explicit instructional purposes. When English use aided language instruction, it facilitated children's comprehension and elicited more child talk. Results also indicated that children model their teacher's English usage in their immediate responses. When teachers increased their English use in daily practice, children also incorporated increased English use in their Tamil storytelling task at the end of the academic year. Regardless of English use, however, children's output remained predominantly in Tamil. The implication of using translanguaging in early heritage language education is discussed.</p
Memorials’ politics:Exploring the material rhetoric of the Statue of Peace
No full textThis paper discusses the material rhetoric of the Statue of Peace built in front of the Japanese Embassy in Seoul, South Korea. Installed in 2011 to commemorate so-called ?comfort women??the former sex slaves forced to work in brothels during Korea?s occupation by the Empire of Japan?, several identical-looking copies of the statue have since spread throughout the country and beyond. While many observers have noted the symbolic politics of the sculpture, I argue for taking into account its material dimension too?with the aim of furthering our understanding of how commemorative practices are enabled by mnemonic installations. Building on the scholarship that has addressed the rhetoric of objects and places of remembrance, I ask how the statue acts on and engages with its viewers. Among others, site visits, observations, own experiences, interviews, and visual documentation serve as the basis of the discussion.This paper discusses the material rhetoric of the Statue of Peace built in front of the Japanese Embassy in Seoul, South Korea. Installed in 2011 to commemorate so-called “comfort women”—the former sex slaves forced to work in brothels during Korea’s occupation by the Empire of Japan—, several identical-looking copies of the statue have since spread throughout the country and beyond. While many observers have noted the symbolic politics of the sculpture, I argue for taking into account its material dimension too—with the aim of furthering our understanding of how commemorative practices are enabled by mnemonic installations. Building on the scholarship that has addressed the rhetoric of objects and places of remembrance, I ask how the statue acts on and engages with its viewers. Among others, site visits, observations, own experiences, interviews, and visual documentation serve as the basis of the discussion.<br/
Global teaching competencies in primary education
No full textCalls for global citizenship education (GCE) in primary education have been making themselves heard in recent literature in different national and international contexts. Primary school teachers must be equipped with the necessary competencies required to carry out this broader task appropriately. This article seeks to understand how experienced teachers and teacher educators look at GCE and related global teaching competencies. A global citizenship typology provides the article's theoretical frame for the investigation. This study used the Delphi method to reach consensus on a definition of GCE and what a globally competent primary school teacher should do to support the learning of diverse learners and engage them in GCE. The results show an extensive profile with foundational, facilitation, and curriculum design competencies and a definition of GCE which corresponds most with a moral and cultural global citizenship description.</p
The effects of callous-unemotional traits and aggression subtypes on amygdala activity in response to negative faces - ERRATUM
No full textMinimisation in Logical Form
No full textStone-type dualities provide a powerful mathematical framework for studying properties of logical systems. They have recently been fruitfully explored in understanding minimisation of various types of automata. In Bezhanishvili et al. (2012), a dual equivalence between a category of coalgebras and a category of algebras was used to explain minimisation. The algebraic semantics is dual to a coalgebraic semantics in which logical equivalence coincides with trace equivalence. It follows that maximal quotients of coalgebras correspond to minimal subobjects of algebras. Examples include partially observable deterministic finite automata, linear weighted automata viewed as coalgebras over finite-dimensional vector spaces, and belief automata, which are coalgebras on compact Hausdorff spaces. In Bonchi et al. (2014), Brzozowski's double-reversal minimisation algorithm for deterministic finite automata was described categorically and its correctness explained via the duality between reachability and observability. This work includes generalisations of Brzozowski's algorithm to Moore and weighted automata over commutative semirings.In this paper we propose a general categorical framework within which such minimisation algorithms can be understood. The goal is to provide a unifying perspective based on duality. Our framework consists of a stack of three interconnected adjunctions: a base dual adjunction that can be lifted to a dual adjunction between coalgebras and algebras and also to a dual adjunction between automata. The approach provides an abstract understanding of reachability and observability. We illustrate the general framework on range of concrete examples, including deterministic Kripke frames, weighted automata, topological automata (belief automata), and alternating automata
“We Say ‘Mothers’ But Mean ‘Parents’”:Qualitative Perceptions and Experiences With Father Absence Among Curaçaoan, Curaçaoan-Dutch, and Dutch Young People
No full textPerceptions and experiences with biological father absence might vary depending on the extent to which father absence constitutes a common family form, like it does in many Caribbean countries. The goal of this qualitative study was to better understand what it means to grow up without a father for Curaçaoan (n = 19; 15–24 years), Curaçaoan-Dutch (n = 15; 14–29 years), and Dutch (n = 16; 16–26 years) young men and women. Findings from thematic analyses of ethically approved in-depth interviews revealed that most interviewees from all three cultural groups perceived no bond with and upbringing from their absent father. The interviewees noted emotional pain, but also mentioned that (m)others compensated for their father’s absence. Dutch interviewees were more negative about their absent father, and both Dutch and Curaçaoan-Dutch interviewees experienced more difficulties with respect to their father’s absence compared with Curaçaoan interviewees. Studying the similarities and differences between perceptions and experiences with father absence enriches our knowledge of what it means to grow up without a father. Doing so from young people’s point of view and across cultures has important practical value by providing a fuller understanding of the meaning of father absence for young people across cultures
Chemical isotope labeling for quantitative proteomics
No full textAdvancements in liquid chromatography and mass spectrometry over the last decades have led to a significant development in mass spectrometry-based proteome quantification approaches. An increasingly attractive strategy is multiplex isotope labeling, which significantly improves the accuracy, precision and throughput of quantitative proteomics in the data-dependent acquisition mode. Isotope labeling-based approaches can be classified into MS1-based and MS2-based quantification. In this review, we give an overview of approaches based on chemical isotope labeling and discuss their principles, benefits, and limitations with the goal to give insights into fundamental questions and provide a useful reference for choosing a method for quantitative proteomics. As a perspective, we discuss the current possibilities and limitations of multiplex, isotope labeling approaches for the data-independent acquisition mode, which is increasing in popularity.</p
Quantifying proportionality and the limits of higher-level causation and explanation
No full textSupporters of the autonomy of higher-level causation (or explanation) often appeal to proportionality, arguing that higher-level causes are more proportional than their lower-levelrealizers. Recently, measures based on information theory and causal modelling have been proposed that allow one to shed new light on proportionality and the related notion of specificity. In this article we apply ideas from this literature to the issue of higher versus lower-level causation (and explanation). Surprisingly, proportionality turns out to be irrelevant for the question of whether higher-level causes (or explanations) can be autonomous;specificity is a much more informative notion for this purpose.<br/