Robert Power

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This paper describes ongoing work with the Australian Government to detect, assess, summarise, and report messages of interest for crisis coordination published by Twitter. The developed platform and client tools, collectively termed the Emergency Situation Awareness - Automated Web Text Mining (ESA-AWTM) system, demonstrate how relevant Twitter messages(More)
The aim of this study was to explore ways to improve the accessibility of clinics for young people with reproductive health problems in rural Zimbabwe. This study, which took place in rural Masvingo, was part of a project to develop a comprehensive adolescent reproductive health intervention for Zimbabwean youth. Six focus group discussions were held with(More)
CONTEXT It is unknown how genetic variants conferring liability to psychiatric disorders survive in the population despite strong negative selection. However, this is key to understanding their etiology and designing studies to identify risk variants. OBJECTIVES To examine the reproductive fitness of patients with schizophrenia and other psychiatric(More)
Cannabis is the most commonly used illicit drug worldwide. With debate surrounding the legalization and control of use, investigating its health risks has become a pressing area of research. One established association is that between cannabis use and schizophrenia, a debilitating psychiatric disorder affecting ~1% of the population over their lifetime.(More)
We tested whether polygenic risk scores for schizophrenia and bipolar disorder would predict creativity. Higher scores were associated with artistic society membership or creative profession in both Icelandic (P = 5.2 × 10(-6) and 3.8 × 10(-6) for schizophrenia and bipolar disorder scores, respectively) and replication cohorts (P = 0.0021 and 0.00086). This(More)
OBJECTIVES To assess factors influencing access to drug treatment among injecting drug users (IDUs) in two Russian cities. METHODS Eighty-six qualitative interviews were conducted with IDUs in Volgograd and Barnaul in 2003. IDUs were recruited through local drug treatment services, needle exchanges, and drug user networks. RESULTS Three main barriers to(More)
Psychosis has been hypothesised to be a continuously distributed quantitative phenotype and disorders such as schizophrenia and bipolar disorder represent its extreme manifestations. Evidence suggests that common genetic variants play an important role in liability to both schizophrenia and bipolar disorder. Here we tested the hypothesis that these common(More)