463 research outputs found
Law Library Orientation - August 2012
Virtual tour of the law library given during 1L orientation
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Design issues for VREs: can richer records of meetings enhance collaboration?
Technologies for collaboration have advanced significantly in the past ten years. Through tools such as the Access Grid (AG), it is now possible to conduct multi-site meetings involving large numbers of participants interacting using high quality and video and sharing data. Virtual Venues within the AG toolkit store data, documents, applications and services which can be accessed across multiple sites. These documents might include records of the meetings themselves. We discuss ways in which such records can be made navigable and re-usable so that collaborators can achieve a shared understanding of meetings’ work
Asynchronous Transmitter Release from Cholecystokinin-Containing Inhibitory Interneurons Is Widespread and Target-Cell Independent
Neurotransmitter release at most central synapses is synchronized to the timing of presynaptic action potentials. Here we show that 3 classes of DSI-expressing, CCK-containing, hippocampal interneurons show highly asynchronous release in response to trains of action potentials. This asynchrony is correlated to the class of presynaptic interneuron but is unrelated to their postsynaptic cell target. Asynchronous- and synchronous release from CCK-containing interneurons show a slightly different calcium dependence such that the proportion of asynchronous release increases with external calcium concentration possibly suggesting that the modes of release are mediated by different calcium sensors. Asynchronous IPSCs include very large (up to 500 pA/7nS) amplitude events, which persist in low extracellular calcium and strontium, showing that they result from quantal transmitter release at single release sites. Finally we show that asynchronous release is prominent in response to trains of presynaptic spikes which mimic natural activity of CCK-containing interneurons. That asynchronous release from CCK-containing interneurons is a widespread phenomenon indicates a fundamental role for these cells within the hippocampal network that is distinct from the phasic inhibition provided by PV-containing interneurons
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Memetic: from meeting memory to virtual ethnography & distributed video analysis
The JISC-funded Memetic2 project was designed as knowledge management and project memory support for teams meeting via the Access Grid environment (Buckingham Shum et al, 2006). This paper describes how these capabilities also enable it to serve as a novel distributed video analysis tool to support interaction analysis. Memetic technologies can be used to record, annotate and discuss sessions recorded within a flexible, visual hypermedia environment called Compendium. We propose that beyond the use originally conceived, the Memetic toolset could find wide ranging applications within social science for virtual ethnography and data analysis
Genetic Sensitivity to Peer Behaviors: 5HTTLPR, Smoking, and Alcohol Consumption
We investigate whether the serotonin transporter-linked polymorphic region (5HTTLPR), a gene associated with environmental sensitivity, moderates the association between smoking and drinking patterns at adolescents' schools and their corresponding risk for smoking and drinking themselves. Drawing on the school-based design of the National Longitudinal Study of Adolescent Health in conjunction with molecular genetic data for roughly 15,000 respondents (including over 2,000 sibling pairs), we show that adolescents smoke more cigarettes and consume more alcohol when attending schools with elevated rates of tobacco and alcohol use. More important, an individual's susceptibility to school-level patterns of smoking or drinking is conditional on the number of short alleles he or she has in 5HTTLPR. Overall, the findings demonstrate the utility of the differential susceptibility framework for medical sociology by suggesting that health behaviors reflect interactions between genetic factors and the prevalence of these behaviors in a person's context
User-centered development of a Virtual Research Environment to support collaborative research events
This paper discusses the user-centred development process within the Collaborative Research Events on the Web (CREW) project, funded under the JISC Virtual Research Environments (VRE) programme. After presenting the project, its aims and the functionality
of the CREW VRE, we focus on the user engagement approach, grounded in the method of co-realisation. We describe the different research settings and requirements of our three embedded user groups and the respective activities conducted so far. Finally we elaborate on
the main challenges of our user engagement approach and end with the project’s next steps
Lattice Strain Due to an Atomic Vacancy
Volumetric strain can be divided into two parts: strain due to bond distance change and strain due to vacancy sources and sinks. In this paper, efforts are focused on studying the atomic lattice strain due to a vacancy in an FCC metal lattice with molecular dynamics simulation (MDS). The result has been compared with that from a continuum mechanics method. It is shown that using a continuum mechanics approach yields constitutive results similar to the ones obtained based purely on molecular dynamics considerations
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