411 research outputs found
Driving into the sunset: Supporting cognitive functioning in older drivers
No full textCopyright @ 2011 Mark S. Young and David Bunce - This article has been made available through the Brunel Open Access Publishing Fund.The rise in the aging driver population presents society with a significant challenge-how to maintain safety and mobility on the roads. On the one hand, older drivers pose a higher risk of an at-fault accident on a mile-for-mile basis; on the other hand, independent mobility is a significant marker of quality of life in aging. In this paper, we review the respective literatures on cognitive neuropsychology and ergonomics to suggest a previously unexplored synergy between these two fields. We argue that this conceptual overlap can form the basis for future solutions to what has been called "the older driver problem." Such solutions could be found in a range of emerging driver assistance technologies offered by vehicle manufacturers, which have the potential to compensate for the specific cognitive decrements associated with aging that are related to driving.Support was received from the Leverhulme Trust, UK
Representing Absence: Contemporary Ekphrasis in “Apesh-t”
No full textTraditionally, ekphrasis has been defined as the description and analysis of works of art in poetry, and so it has been understood as the verbalization of visual images (Sager Eidt). The article examines the concept in the light of contemporary definitions that include non-verbal media as targets (Cariboni Killander, Lutas and Strukelj; Sager Eidt; Bruhn; Pethö) in order to analyze its applicability to music videos.It concentrates in particular on “Apesh-t,” a video for a track by Beyoncé and Jay-Z from the album Everything Is Love (2018). The video is filmed in different interiors of the Louvre, where the singers appear, together with an ensemble of dancers, in front of selected artworks. The discussion focuses on an analysis of a single shot which presents an ekphrastic re-configuration of one particular work of European art, Jacques-Louis David’s Portrait of Madame Récamier (1800).The author argues that the use of ekphrasis in the video—through elaboration (close-ups and editing) and repurposing of the source material (painting)—plays an important role in the construction of the theme of “absence”: invoking not only what is represented, but what is not represented in David’s painting. It also foregrounds the potential of ekphrasis as a tool of political and cultural resistance, in the way it intervenes in the representation of the “other” in art and in the museum space
Predicting adherence to antiretroviral therapy and retention to HIV care : effects of baseline biopsychosocial status and neuropsychological functioning
No full textThese drugs have demonstrated efficacy in improving immune function and reducing HIV-related morbidity and mortality, and while a cure is not available, patients on treatment may live longer, healthier lives. However, early optimism has been tempered by the growing recognition that meticulous adherence is a prerequisite for optimal clinical response and prevention of drug resistance
Beyond model answers: learners’ perceptions of self-assessment materials in e-learning applications
No full textThe importance of feedback as an aid to self‐assessment is widely acknowledged. A common form of feedback that is used widely in e‐learning is the use of model answers. However, model answers are deficient in many respects. In particular, the notion of a ‘model’ answer implies the existence of a single correct answer applicable across multiple contexts with no scope for permissible variation. This reductive assumption is rarely the case with complex problems that are supposed to test students’ higher‐order learning. Nevertheless, the challenge remains of how to support students as they assess their own performance using model answers and other forms of non‐verificational ‘feedback’. To explore this challenge, the research investigated a management development e‐learning application and investigated the effectiveness of model answers that followed problem‐based questions. The research was exploratory, using semi‐structured interviews with 29 adult learners employed in a global organisation. Given interviewees’ generally negative perceptions of the model‐answers, they were asked to describe their ideal form of self‐assessment materials, and to evaluate nine alternative designs. The results suggest that, as support for higher‐order learning, self‐assessment materials that merely present an idealised model answer are inadequate. As alternatives, learners preferred materials that helped them understand what behaviours to avoid (and not just ‘do’), how to think through the problem (i.e. critical thinking skills), and the key issues that provide a framework for thinking. These findings have broader relevance within higher education, particularly in postgraduate programmes for business students where the importance of prior business experience is emphasised and the profile of students is similar to that of the participants in this research
Topologically-aware overlay construction and server selection
No full textA number of large-scale distributed Internet applications could potentially benefit from some level of knowledge about the relative proximity between its participating host nodes. For example, the peformance of large overlay networks could be improved if the application-level connectivity between the nodes in these networks is congruent with the underlying IP-level topology. Similarly, in the case of replicated web content, client nodes could use topological information in selecting one of multiple available servers. For such applications, one need not find the optimal solution in order to achieve significant practical benefits. Thus, these applications, and presumably others like them, do not require exact topological information and can instead use sufficiently informative hints about the relative positions of Internet hosts. In this paper, we present a binning scheme whereby nodes partition themselves into bins such that nodes that fall within a given bin are relatively close to one another in terms of network latency. Our binning strategy is simple (requiring minimal support from any measurement infrastructure), scalable (requiring no form of global knowledge, each node only needs knowledge of a small number of well-known landmark nodes) and completely distributed (requiring no communication or cooperation between the nodes being binned). We apply this binning strategy to the two applications mentioned above: overlay network construction and server selection. We test our binning strategy and its application using simulation and Internet measurement traces. Our results indicate that the performance of these applications can be significantly improved by even the rather coarse-grained knowledge of topology offered by our binning scheme
Effects of Silver Reflective Mulch, White Inter-row Mulch, and Plant Density on Yields of Pepper in Maine
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