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Trait dissociation has not been examined from a structural human brain mapping perspective in healthy adults or children. Non-pathological dissociation shares some features with daydreaming and mind-wandering, but also involves subtle disruptions in affect and autobiographical memory.
To identify neurostructural biomarkers of trait dissociation in healthy children.
Typically developing 9- to 15-year-olds (n = 180) without psychological or behavioural disorders were enrolled in the Developmental Chronnecto-Genomics (DevCoG) study of healthy brain development and completed psychological assessments of trauma exposure and dissociation, along with a structural T1-weighted magnetic resonance imaging. We conducted univariate ANCOVA generalised linear models for each region of the default mode network examining the effects of trait dissociation, including scanner site, age, gender and trauma as covariates and correcting for multiple comparison.
We found that the precuneus was significantly larger in children with higher levels of trait dissociation but this was not related to trauma exposure. The inferior parietal volume was smaller in children with higher levels of trauma but was not related to dissociation. No other regions of interest, including frontal and limbic structures, were significantly related to trait dissociation even before multiple comparison correction.
Trait dissociation reflects subtle cognitive disruptions worthy of study in healthy people and warrants study as a potential risk factor for psychopathology. This neurostructural study of trait dissociation in healthy children identified the precuneus as an essential brain region to consider in future dissociation research.
Anxiety and depression impact many children and adolescents and cause significant impairments in multiple domains. Child and adolescent psychotherapy have now been researched for approximately 50 years and the extant literature suggests that structured, manualized treatments produce a significant benefit for this specific population. Overall, research indicates that youth-focused behavioral psychotherapies, including cognitive behavioral therapy (CBT), demonstrate robust effects across multi-informants (i.e., child/adolescent, parent, and teacher). Individual CBT for child and adolescent anxiety disorders and depression has a strong evidence base. When adapting and implementing CBT with young clients, there are important considerations regarding treatment planning, including assessment, diagnostic and differential considerations, case conceptualization, implementation of interventions, and consistent reassessment with outcome measures.
The Cambridge Companion to American Theatre since 1945 provides an overview and analysis of developments in the organization and practices of American theatre. It examines key demographic and geographical shifts post-1945 American theatre experienced in spectatorship and addresses the economic, social, and political challenges theatre artists have faced across cultural climates and geographical locations. Specifically, it explores artistic communities, collaborative practices, and theatre methodologies across mainstream, regional, and experimental theatre practices, forms, and expressions. As American theatre has embraced diversity in practice and representation, the volume examines the various creative voices, communities, and perspectives that prior to the 1940s had been mostly excluded from the theatrical landscape. This diversity has led to changing dramaturgical and theatrical languages that take us in to the twenty-first century; these shifting perspectives and evolving forms of theatrical expressions paved the ground for contemporary American theatrical innovation.
The Cambridge Companion to American Theatre since 1945 provides an overview and analysis of developments in the organization and practices of American theatre. It examines key demographic and geographical shifts American theatre after 1945 experienced in spectatorship, and addresses the economic, social, and political challenges theatre artists have faced across cultural climates and geographical locations. Specifically, it explores artistic communities, collaborative practices, and theatre methodologies across mainstream, regional, and experimental theatre practices, forms, and expressions. As American theatre has embraced diversity in practice and representation, the volume examines the various creative voices, communities, and perspectives that prior to the 1940s was mostly excluded from the theatrical landscape. This diversity has led to changing dramaturgical and theatrical languages that take us in to the twenty-first century. These shifting perspectives and evolving forms of theatrical expressions paved the ground for contemporary American theatrical innovation.
The Cognitive Battery of the National Institutes of Health Toolbox (NIH-TB) is a collection of assessments that have been adapted and normed for administration across the lifespan and is increasingly used in large-scale population-level research. However, despite increasing adoption in longitudinal investigations of neurocognitive development, and growing recommendations that the Toolbox be used in clinical applications, little is known about the long-term temporal stability of the NIH-TB, particularly in youth.
The present study examined the long-term temporal reliability of the NIH-TB in a large cohort of youth (9–15 years-old) recruited across two data collection sites. Participants were invited to complete testing annually for 3 years.
Reliability was generally low-to-moderate, with intraclass correlation coefficients ranging between 0.31 and 0.76 for the full sample. There were multiple significant differences between sites, with one site generally exhibiting stronger temporal stability than the other.
Reliability of the NIH-TB Cognitive Battery was lower than expected given early work examining shorter test-retest intervals. Moreover, there were very few instances of tests meeting stability requirements for use in research; none of the tests exhibited adequate reliability for use in clinical applications. Reliability is paramount to establishing the validity of the tool, thus the constructs assessed by the NIH-TB may vary over time in youth. We recommend further refinement of the NIH-TB Cognitive Battery and its norming procedures for children before further adoption as a neuropsychological assessment. We also urge researchers who have already employed the NIH-TB in their studies to interpret their results with caution.
The Tennessee Department of Health (TDH) investigated a hepatitis A virus (HAV) outbreak to identify risk factors for infection and make prevention recommendations.
Healthcare workers (HCWs) or patients with laboratory-confirmed acute HAV infection during October 1, 2018–January 10, 2019.
HCWs with suspected or confirmed hepatitis A infections were interviewed to assess their exposures and activities. Patient medical records and hospital administrative records were reviewed to identify common exposures. We conducted a site investigation to assess knowledge of infection control practices among HCWs. Serum specimens from ill persons were tested for HAV RNA by polymerase chain reaction (PCR) and genotyped.
We identified 6 HCWs and 2 patients with laboratory-confirmed HAV infection. All cases likely resulted from exposure to a homeless patient with a history of recreational substance use and undiagnosed HAV infection. Breaches in hand hygiene and use of standard precautions were identified. HAV RNA was detected in 7 serum specimens and all belonged to an identical strain of HAV genotype 1b.
A hepatitis A outbreak among hospital patients and HCWs resulted from exposure to a single patient with undiagnosed HAV infection. Breakdowns in infection control practices contributed to the outbreak. The likelihood of nosocomial transmission can be reduced with proper hand hygiene, standard precautions, and routine disinfection. During community outbreaks, medical providers can better prevent ongoing transmission by including hepatitis A in the differential diagnosis among patients with a history of recreational substance use and homelessness.
OBJECTIVES/GOALS: The detection of liver fibrotic changes at an early and reversible stage is essential to prevent its progression to end-stage cirrhosis and hepatocellular carcinoma. Liver biopsy, which is the current gold standard for fibrosis assessment, is accompanied by several complications due to its invasive nature in addition to sampling errors and reader variability. In this study, we evaluate the use of quantitative parameters extracted from hybrid ultrasound and photoacoustic imaging to detect and monitor fibrotic changes in a DEN rat model. METHODS/STUDY POPULATION: Liver fibrotic changes were induced in 34 Wistar male rats by oral administration of Diethylnitrosamine (DEN) for 12 weeks. 22 rats were imaged with B-mode ultrasound at 3 different time points (baseline, 10 weeks and 13 weeks) for monitoring liver texture changes. Texture features studied included tissue echointensity (liver brightness normalized to kidney brightness) and tissue heterogeneity. 12 rats were imaged with photoacoustic imaging at 4 time points (baseline, 5 wks, 10 wks, and 13 wks) to look at changes in tissue oxygenation. Hemoglobin oxygen saturation (sO2A) and hemoglobin concentration (HbT) in the right and left lobes of the liver were measured. 8 rats were used as controls. Liver tissue samples were obtained following 13 weeks from DEN start time for METAVIR histopathology staging of fibrosis. RESULTS/ANTICIPATED RESULTS: Texture features studied showed an increase with time in DEN rats. Normalized echointensity increased from 0.28 ± 0.06 at baseline to 0.46 ± 0.10 at 10 weeks (p < 0.0005) and 0.53 ± 0.15 at 13 weeks in DEN rats (p < 0.0005). In the control rats, echointensity remained at an average of 0.25 ± 0.05 (p = 0.31). Tissue heterogeneity increased over time in the DEN-exposed rats from a baseline of 208.7 ± 58.3 to 344.6 ± 52.9 at 10 weeks (p < 0.0005) and 376.8 ± 54.9 at 13 weeks (p = 0.06) however it stayed constant at 225.7 ± 37.6 in control rats (p = 0.58). The quantitative analyses of the photoacoustic signals showed that blood oxygen saturation significantly increased with time. At 5 weeks sO2AvT increased by 53.83 % (± 0.25), and HbT by 35.31 % (± 0.07). Following 10 weeks of DEN; sO2AvT by 92.04 % (± 0.29), and HbT by 55.24 % (± 0.1). All increases were significant p < 0.05. In the 13th week, however, the values of all of these parameters were lower than those in the 10th week, however, the decrease was statistically insignificant. DISCUSSION/SIGNIFICANCE OF IMPACT: Quantitative features from B-mode ultrasound and photoacoustic imaging consistently increased over time corresponding to hepatic damage, inflammation and fibrosis progressed. The use of this hybrid imaging method in clinical practice can help meet the significant need for noninvasive assessment of liver fibrosis.
As discussed in Chapters 1 and 2, one of the central tenets of the HSCA 2012 was the desirability of increasing the involvement of GPs (and other clinicians) in the commissioning of services for their patients. This ideological commitment – based upon belief and founded, in part at least, upon an implicit denigration of managerial work (in order to increase control over the NHS and commissioners), had far-reaching consequences in the design of the reforms. For example, the initial separation of responsibility for commissioning primary care services from secondary and community services was deemed necessary because of the potential for conflicts of interest, whilst the creation of CCGs as ‘membership organisations’ had, as seen in Chapter 3, significant implications for their organisation and governance. The initial White Paper, ‘Equity and Excellence’ (Department of Health, 2010a: 9) was relatively non-specific about the expected benefits of clinical leadership of commissioning. It was argued that:
The headquarters of the NHS will not be in the Department of Health or the new NHS Commissioning Board but instead, power will be given to the front-line clinicians and patients. The headquarters will be in the consulting room and clinic. The Government will liberate the NHS from excessive bureaucratic and political control, and make it easier for professionals to do the right things for and with patients, to innovate and improve outcomes.
The document suggested that the proposals would: ‘liberate professionals and providers from top down control’; shift decision making closer to patients; enable better dialogue between primary and secondary care practitioners; and ensure that service development had real clinical involvement. However, the mechanisms underlying these perceived benefits were unstated. Furthermore, it was claimed that, whilst previous incarnations of GP-led commissioning (which in the UK go back to the creation of ‘GP fundholding’ in the 1990s) had delivered some benefits, these had been limited by the failure to give those involved complete autonomy and real budgets. The creation of CCGs, it was argued, would remedy these problems and ‘liberate’ clinicians to significantly improve care.
The wide-ranging reforms made to health and care systems in England, as part of the HSCA 2012, created an enormous shakeup of the way the public health function is delivered. Key public health responsibilities were transferred from the NHS to local government councils. In addition, PHE was established as the national agency for public health.
This chapter examines what these changes have meant for the commissioning of services to improve population health. Commissioning in relation to the health improvement function refers to the strategic planning and purchasing of services that could include smoking cessation, weight management and drug and alcohol services, public health services for children and young people, comprehensive sexual health services and campaigns, dental public health services and services to prevent cancer and long-term conditions.
The political backdrop
The government's goal was to develop a ‘public health service that achieves excellent results, unleashing innovation and liberating professional leadership’ (Department of Health, 2010b). There were a number of important themes demonstrated in the structural changes. First, they represented an attempt to enhance democratic accountability and challenge the old ‘command and control’ model. Within the wider context of the localism agenda, the relocation of public health functions was an attempt to ensure that local people made local decisions to improve the health of local populations. Second, the government was attempting to shift the focus from processes onto outcomes. A comprehensive set of indicators were developed within a ‘public health outcomes framework’, against which local public health systems would be assessed. This would enable transparency and an element of comparability between different local areas. Third, there was an attempt to take a ‘different’ (though not new) approach to public health – one that takes a ‘life course’ perspective, and that places importance on wider determinants of health, particularly in relation to people's socioeconomic contexts. Fourth, there was a focus on ensuring that decisions are based on the best possible evidence of what works – a key role for PHE. Fifth, there was an emphasis on efficiency, particularly with regard to being ‘joined up’ and streamlined. And finally, consistent with wider policy, there was a general push towards commissioning, and lead organisations being solely commissioning organisations.
In many materials development projects, scientists and research heads make decisions to guide the project direction. For example, scientists may decide which processing steps to use, what elements to include in their material selection, or from what suppliers to source their materials. Research heads may decide whether to invest development effort in reducing the environmental impact or production cost of a material. When making these decisions, it would be helpful to know how those decisions affect the achievable performance of the materials under consideration. Often, these decisions are complicated by trade-offs in performance between competing properties. This paper presents an approach for visualizing and evaluating design spaces, where a design space is defined as the set of possible materials under consideration given specified constraints. This design space visualization approach is applied to two case studies with environmental impact motivations: one in biodegradability for solvents, and the other in sustainable materials sourcing for Li-ion batteries. The results demonstrate how this visualization approach can enable data-driven, quantitative decisions for project direction.
Psychosis is more prevalent among people in prison compared with the community. Early detection is important to optimise health and justice outcomes; for some, this may be the first time they have been clinically assessed.
Determine factors associated with a first diagnosis of psychosis in prison and describe time to diagnosis from entry into prison.
This retrospective cohort study describes individuals identified for the first time with psychosis in New South Wales (NSW) prisons (2006–2012). Logistic regression was used to identify factors associated with a first diagnosis of psychosis. Cox regression was used to describe time to diagnosis from entry into prison.
Of the 38 489 diagnosed with psychosis for the first time, 1.7% (n = 659) occurred in prison. Factors associated with an increased likelihood of being diagnosed in prison (versus community) were: male gender (odds ratio (OR) = 2.27, 95% CI 1.79–2.89), Aboriginality (OR = 1.81, 95% CI 1.49–2.19), older age (OR = 1.70, 95% CI 1.37–2.11 for 25–34 years and OR = 1.63, 95% CI 1.29–2.06 for 35–44 years) and disadvantaged socioeconomic area (OR = 4.41, 95% CI 3.42–5.69). Eight out of ten were diagnosed within 3 months of reception.
Among those diagnosed with psychosis for the first time, only a small number were identified during incarceration with most identified in the first 3 months following imprisonment. This suggests good screening processes are in place in NSW prisons for detecting those with serious mental illness. It is important these individuals receive appropriate care in prison, have the opportunity to have matters reheard and possibly diverted into treatment, and are subsequently connected to community mental health services on release.