The who and the what of usage of two cancer online communities

The explosion of use of Internet-based communication for health requires attention to the ways survivors of specific diseases and those close to them participate in using resources. This research focuses on two cancer groups – breast and prostate – and how they use WebMD asynchronous bulletin boards. Four hundred and eighty two messages were coded for communicator (survivors, spouses, others) and content of messages. Most common communicators were survivors, but the two groups differed in percentages of communicator. Of four main categories of content – medical/treatment, intimacy/sexuality, emotional expression, and support – most common were support and medical/treatment. The groups differed significantly on those four categories, with breast cancer more support-dominated and prostate more medical/treatment-dominated and more intimacy/sexuality messages. There were no group differences in emotional-toned vs. social support seeking vs. providing support, or positive vs. negative emotions expressed. Generally, there was considerable commonality, and the differences found primarily supported gender-specific notions of communication and need.     

From cockpit to operating theatre to drilling rig floor: five principles for improving safety using simulator-based exercises to enhance team cognition

For over 30 years, aviation has conducted training courses to enhance team performance and improve safety involving simulation with observation and directed feedback. Participants’ performance is observed by trained and experienced observers who then provide feedback using behaviour-based evidence noted during the simulator exercise. More recently, in healthcare, operating theatre personnel have adopted simulator-based training (SBT), observation and feedback for learning and practice to reduce the potential for human errors and improve safety. Maritime and nuclear power also incorporate high-fidelity simulators and feedback in team training interventions including technical and non-technical skills. The design and development of drilling rig simulators means that drill crews can now practise and test out their decision-making and receive feedback from observers, with the aim of improving team non-technical skills and consequently reducing the potential for errors. This paper presents five principles gleaned from research and the experiences of both aviation and healthcare to be applied to the development of simulator-based exercising for drilling teams. The principles include: (a) developing learning objectives and expected performance standards; (b) training the team as a whole; (c) using a structured observation tool; (d) providing feedback during a structured debrief; (e) repeat the SBT regularly to enhance expertise and retain performance standards. It is anticipated that these principles can be generalised for simulator-based exercising to benefit team social and cognitive competences in other high-hazard or process industries.

     

Privacy Preserving Geo-Linkage in the Big Urban Data Era

Big data technologies and a range of Government open data initiatives provide the basis for discovering new insights into cities; how they are planned, how they managed and the day-to-day challenges they face in health, transport and changing population profiles. The Australian Urban Research Infrastructure Network (AURIN – www.aurin.org.au) project is one example of such a big data initiative that is currently running across Australia. AURIN provides a single gateway providing online (live) programmatic access to over 2000 data sets from over 70 major and typically definitive data-driven organizations across federal and State government, across industry and across academia. However whilst open (public) data is useful to bring data-driven intelligence to cities, more often than not, it is the data that is not-publicly accessible that is essential to understand city challenges and needs. Such sensitive (unit-level) data has unique requirements on access and usage to meet the privacy and confidentiality demands of the associated organizations. In this paper we highlight a novel geo-privacy supporting solution implemented as part of the AURIN project that provides seamless and secure access to individual (unit-level) data from the Department of Health in Victoria. We illustrate this solution across a range of typical city challenges in localized contexts around Melbourne. We show how unit level data can be combined with other data in a privacy-protecting manner. Unlike other secure data access and usage solutions that have been developed/deployed, the AURIN solution allows any researcher to access and use the data in a manner that meets all of the associated privacy and confidentiality concerns, without obliging them to obtain ethical approval or any other hurdles that are normally put in place on access to and use of sensitive data. This provides a paradigm shift in secure access to sensitive data with geospatial content.     

Pareto-based negotiation in distributed multidisciplinary design

The process of distributed engineering design calls for a methodology making use of the most recent advances in optimization-based design including multidisciplinary and multiobjective optimization. In distributed design, the participating teams do not have access to the design problems of other teams but may exchange limited information about their own current designs, making negotiation among themselves a key mechanism to reach a desired compromise which, nevertheless, is also a Pareto design to the original problem. A mathematical model of this distributed but decomposable design process is posed and solved using Lagrangian relaxation, while Pareto optimality is equivalently converted to single-objective optimality by means of multicriteria decision making strategies. The proposed coordination algorithm allows negotiation among the teams (subproblems) by sharing only limited information that is restricted to values of optimization quantities. The proposed modeling and solution scheme is applied to a numerical example representing the design of vehicle subsystems and components.     

Psychological resources, positive illusions, and health.

Psychological beliefs such as optimism, personal control, and a sense of meaning are known to be protective of mental health. Are they protective of physical health as well? The authors present a program of research that has tested the implications of cognitive adaptation theory and research on positive illusions for the relation of positive beliefs to disease progression among men infected with HIV. The investigations have revealed that even unrealistically optimistic beliefs about the future may be health protective. The ability to find meaning in the experience is also associated with a less rapid course of illness. Taken together, the research suggests that psychological beliefs such as meaning, control, and optimism act as resources, which may not only preserve mental health in the context of traumatic or life-threatening events but be protective of physical health as well. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Cognitive neuroscience: A field with increasing interest to school psychologists.

Reviews the book, Cognitive neuroscience: The biology of the mind by M. Gazzaniga, R. B. Ivry, and G. R. Mangun (1998). This excellent book on cognitive neuroscience provides an exposition of the key areas concerned in cognitive neuroscience for the advanced student in adult neuropsychology and/or biological psychiatry. The authors' aim to balance theory with neuropsychology utilizing neuroscientific evidence to support a theoretical basis is a major contribution of this text. In this book there has been a concerted effort to provide a theoretical basis for cognitive neuroscience in addition to a list of empirical evidence. Such an effort provides a backdrop for future research as well as linking various cognitive functions into an understandable whole. This volume provides an excellent overview of brain anatomy and function. The book is highly readable and provides excellent illustrations of complex material. The main weakness of this volume for school psychologists is the emphasis on adult disorders with no real discussion of the most common childhood disorders. Although the text assumes some familiarity with neuroanatomy, it is useful for practitioners who desire more up-to-date information in this exciting field. This volume would be an excellent textbook for courses in biological bases of behavior for doctoral-level school psychologists, provided there is accompanying information on child neuropsychology. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Decreasing GAD neonatally attenuates steroid-induced sexual differentiation of the rat brain.

During development, exposure to gonadal steroids results in brain sexual differentiation. Postnatally, hypothalamic gamma-aminobutyric acid (GABA) levels are almost double in males versus females. We hypothesized that increased GABA neonatally results in masculinization. Males, females, and androgenized females were infused intrahypothalamically with antisense oligonucleotides against glutamic acid decarboxylase (GAD) mRNA at birth to reduce GABA synthesis. GAD protein and GABA levels were reduced 24 hr later without obvious toxic effects, as determined by histological examination. As adults, neonatally antisense-treated, androgenized females showed reduced intromission-like behavior and lordosis quotients compared with vehicle and scrambled controls. Lordosis quotients were reduced about 50% in nonandrogenized females versus vehicle and scrambled controls. These data suggest that GABA is involved in mediating brain sex differentiation and may act in both males and females. (PsycINFO Database Record (c) 2010 APA, all rights reserved)