Sources of doubt, sources of duty: HLA Hart on international law

In many ways HLA Hart’s critical analysis of the concept of law, with its repudiation of simple command theories of legal obligation, is at the same time a critique of the notion of state sovereignty. It is therefore an adumbration, if no more, of a radical reconceptualisation of international law, one which redefines the distinction between municipal and in-ternational jurisdiction. This paper is an exploration of what Hart could or ‘should’ have said about international law, based as much as possible on what he did say about international law and law in general. After some introductory comments it outlines Hart’s general analysis of law, with particular reference to the relevance for our understanding of international law.

Unifying manufacturing simulation models using HLA

The increasing use of simulation in manufacturing has seen an increase in simulation models created using many simulation package. This use of different simulators can create simulation islands in a manufacturing factory, making it difficult to get a true simulated overview of the factory. At present, there are only a few cases where manufacturing simulations have been linked to enable multiple simulation models to run as one. This research expands upon these cases. For this paper the topic of discussion is the research in connecting different 'Commercial Off The Shelf' simulators together to allow flow of all information through the connected models using high level architecture.

Linking discrete event simulation models using HLA

The increasing usage of discrete event simulation packages for modeling and analyzing manufacturing and logistics has led to a need for connecting simulation models together at runtime. One such methodology for linking discrete event simulation models together has been developed for this research and this paper demonstrates the usage of this linking method. A unified simulation model is developed from two submodels developed using different simulation packages.

Mismatch between perceived and objective measures of physical activity environments

Objectives : This study investigated the correspondence between measures of physical activity facilities obtained through self-report and objective audits; and identified the socio-demographic, cognitive and behavioral characteristics of those who perceive their physical activity environment to be less supportive than objective measures indicate.
Methods : Self-report surveys were completed by 1540 women recruited from 45 neighborhoods in Melbourne, Australia. Women reported perceived access to physical activity facilities within 2 km from home, and also socio-demographic, cognitive and behavioral factors. Objective data on physical activity facilities within a 2 km pedestrian catchment area around women's homes were sourced.
Results : There was relatively poor agreement between measures of access to physical activity facilities obtained via self-report and objective assessment. Mismatch between perceived and objectively-assessed environments was more common amongst younger and older women, and women of low income, with low self-efficacy for physical activity, who were less active, who reported using fewer facilities and who had lived in the neighborhood for less than 2 years.
Conclusions : Future studies of environmental determinants of physical activity should consider incorporating objective indices of access to facilities, or accounting for the systematic bias that may result from relying on self-report perceptions as an indicator of the actual physical activity environment.

Interrupted cadence : the mismatch of the school music curriculum and the intercultural understandings of pre-service teachers in Victoria, Australia

In Victoria, Australia, the curriculum framework for schools, Victorian Essential Learning Standards (VELS) stipulates multiculturalism as an integral part of the education of students. This encompasses knowledge, skills, values and behaviours (Victorian Curriculum Assessment Authority, 2009). In this curriculum framework, teachers must consider ‘intercultural understanding’. It seems logical that, to teach this, preservice teacher education students should be able to embrace this idea. VELS addresses multicultural understanding and the development of thinking skills. The Arts domain specifically provides diverse opportunities for students to “develop aesthetic and critical awareness … of arts works from different social, historical and cultural contexts”. In this research, undertaken between 2005 and 2008, semi-structured interviews were completed with final year pre-service music education students about their intercultural understandings in music education. Interpretative phenomenological analysis of the data showed that, although many feel confident including music of other cultures, having had some experience in their tertiary education, some have pursued other ways to inform themselves about music of other cultures. There appears to be a mismatch between curricular expectations and the limited time and resources available in tertiary education programs for music. The disparity between the school music curriculum framework and the preparation of teachers requires attention and resolution.

Professionalisation and public relations : an ethical mismatch

This paper explores the ethical culture in which contemporary public relations practitioners’ work and how it relates to the professionalisation of the domain. Focusing on the international umbrella public relations institution Global Alliance (GA) and other important industry bodies such as the Public Relations Institute of Australia (PRIA) and Public Relations Institute of New Zealand (PRINZ), we study how the ‘work’ of a public relations practitioner is described, and as a corollary, what professional and ethical standards are promoted. Our analysis draws on theories of professions (Abbott 1988; Anderson and Schudson 2009; Volti 2008) and narrative (Surma 2004, Herman 2009), and argues that key elements of professionalisation in public relations contribute to a normative culture which is potentially at odds with notions of ethical communication. We suggest public relations needs to engage more rigorously with professional values to develop, effectively, ethical practice and be normatively aligned with other professions.

Distributed cognition and IT support for knowledge work in breakdowns : match or mismatch?

Knowledge is instrumental in organisational problem solving and is embedded in organisational processes and routines. We explore the application of IT in breakdowns (forms of interruptions from normal organisational work routines) and illustrate the application of distributed cognition theory (DCT) as a useful lens to explain the exchange of knowledge in breakdowns. DCT also allows for a rich analysis of the role that information technology (IT) can play to foster knowledge exchange in breakdown situations. We use two cases to illustrate that DCT is useful in identifying the matches and mismatches in IT support for exchanging knowledge in breakdowns.

Phonetic mismatch negativity predicts verbal memory deficits in schizophrenia

Deficits in auditory sensory memory at the electrophysiological level as indexed by mismatch negativity and those in auditory verbal memory at the neuropsychological level have been independently demonstrated in previous studies of schizophrenia. We predicted a specific association between these indices in schizophrenia. Mismatch negativities elicited by change in tone duration and phoneme duration were recorded in 23 schizophrenia patients, who were also evaluated for auditory verbal memory and executive function. Lower amplitude of mismatch negativity under the phoneme-duration condition was significantly associated with worse verbal memory. Phoneme-duration mismatch negativity was not correlated with executive function, nor was tone-duration mismatch negativity correlated with verbal memory. These results suggest that electrophysiological auditory sensory memory dysfunction underlies the basis for neuropsychological auditory verbal memory deficits in schizophrenia.

Nutritional psychiatry research: an emerging discipline and its intersection with global urbanization, environmental challenges and the evolutionary mismatch

In 21st-century public health, rapid urbanization and mental health disorders are a growing global concern. The relationship between diet, brain function and the risk of mental disorders has been the subject of intense research in recent years. In this review, we examine some of the potential socioeconomic and environmental challenges detracting from the traditional dietary patterns that might otherwise support positive mental health. In the context of urban expansion, climate change, cultural and technological changes and the global industrialization and ultraprocessing of food, findings related to nutrition and mental health are connected to some of the most pressing issues of our time. The research is also of relevance to matters of biophysiological anthropology. We explore some aspects of a potential evolutionary mismatch between our ancestral past (Paleolithic, Neolithic) and the contemporary nutritional environment. Changes related to dietary acid load, advanced glycation end products and microbiota (via dietary choices and cooking practices) may be of relevance to depression, anxiety and other mental disorders. In particular, the results of emerging studies demonstrate the importance of prenatal and early childhood dietary practices within the developmental origins of health and disease concept. There is still much work to be done before these population studies and their mirrored advances in bench research can provide translation to clinical medicine and public health policy. However, the clear message is that in the midst of a looming global epidemic, we ignore nutrition at our peril.