2,268 research outputs found

    TESTING THE UNASSAILABLE CORE: UNITED STATES’S STRATEGIC COMMUNICATION IN RESPONSE TO RECENT UNSAFE AND UNPROFESSIONAL INCIDENTS AT SEA

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    After an unsafe or unprofessional incident at sea, the United States’s resulting strategic communication can make the difference between tension and conflict escalation. However, the effectiveness of strategic communication can be difficult to measure. This thesis tests Christopher Paul’s “Unassailable Core” model to measure strategic messaging effectiveness. The Unassailable Core features four key pillars: inform, influence, and persuade; clear objectives; coordination and deconfliction; and actions communicate. The model is applied as a framework to evaluate strategic communication after three cases: a June 2023 incident in the Taiwan Strait between the USS CHUNG-HOON (DDG-93) and a PRC destroyer; an August 2023 interaction in the Strait of Hormuz between the USS BATAN (LHD-5) and several Iranian Revolutionary Guard assets; and a March 2023 episode over the Black Sea involving a U.S. Air Force MQ-9 drone and two Russian SU-27 fighter jets. Ultimately, the Unassailable Core emerged as a valuable tool for assessing the effectiveness of strategic communication efforts by highlighting specific successes and deficiencies in publicly-released communication, especially after consideration of foreign antagonists’ responses. Future research could test the model on other contentious incidents involving the U.S. military, including but not limited to humanitarian and disaster relief missions.Distribution Statement A. Approved for public release: Distribution is unlimited.Lieutenant, United States Nav

    Extraction and measurement of adenosine triphosphate from marine sediment, The

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    Includes bibliographical references (pages 479-480).A technique has been developed, using boiling sodium bicarbonate buffer, to extract adenosine triphosphate (ATP) from marine sediments and has been tested on a variety of sediments, including those with high organic content, clay, and carbonate. Recovery of ATP, as measured by the addition of bacteria of known ATP content to sediment, varied from 64-100%. The technique also was as effective as the conventional Tris buffer for extraction of ATP from both pure cultures of bacteria grown in broth and natural seawater samples.Publisher version: http://www.jstor.org/stable/2835285

    Improved Management of Stillbirth using a Care Pathway.

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    PurposeEach year approximately 3,200 women have a stillbirth in the UK. Although national evidence-based guidance has existed since 2010, case reviews continue to identify suboptimal clinical care and communication with parents. Inconsistencies in management include induction and management of labour and the frequency of investigation after stillbirth. The paper aims to discuss these issues.Design/methodology/approachAn audit of stillbirths was performed in 2014 in 13 maternity units in the North West of England, this confirmed variation in practice described nationally. An integrated care pathway (ICP) was developed from national guidelines to enable optimal care for the management of stillbirth, reduce variation, standardise investigations and coordinate patient-focussed care. This was launched in 2015 and updated in 2016 to resolve the issues that were apparent after implementation.FindingsEach participating unit had commenced using the ICP by May 2015. Following implementation there were changes in care, most notably from diverse methods for the induction of labour to guideline-directed induction of labour. There were trends towards better care in terms of information given, choices offered, more appropriate analgesia in labour and improved post-delivery investigation for cause. Staff feedback about the ICP was positive.Practical implicationsThe use of this ICP improved care for women who had a stillbirth and their families. Issues with implementing a changed care pathway meant that further iterations were required, ongoing improvement is expected following the refinement of the ICP.Originality/valueICPs have been used for various clinical conditions. However, this is the first example of their use in women who had a stillbirth

    Facilitators and barriers of inclusion: a critical incident technique analysis of one non-binary Physical Education teacher’s workplace experiences

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    Background: Publications documenting how teaching is typically undertaken in highly cis-normative school spaces are beginning to increase in popularity. Scholars highlight how school Physical Education (PE) departments operate as highly gendered, and exclusive spaces which are typically ruled by gender-binarised discourses. This ideology is heavily manifested in everyday practices such as male/female-divided changing rooms, PE uniforms, and curriculums. However, the experiences of non-binary PE teachers working in these spaces remains mostly non-existent. Purpose: The research questions for this study were to explore the experiences of a non-binary PE teacher and disrupt the inequalities of power in PE spaces where cisgender teachers are deemed the ‘norm’, and anything outside of this is positioned as the ‘other’. This paper highlights the stories of one non-binary PE teacher’s everyday experiences. Context: The participant, who will be referred to as Seb, was in the 25–35 age group and worked in a state-funded school in a rural area in the northwest of England. Design and Analysis: This study employed a qualitative, single-participant case study method to analyse the experiences of the teacher. Data consists of a participant’s narrative account via online interviews. The participant was encouraged to tell uninterrupted stories of their career, achieved through accessing their own ideas and thoughts in their own words. The interviews were audio-recorded and then transcribed. The researchers analysed the data using deductive and latent coding processes. Conclusion: The paper will conclude by highlighting the main findings, limitations of the study, and opportunities for further research. Practice recommendations will be suggested, focussing on practices that infuse cultural humility such as encouraging a personalised, socially-nuanced pedagogical approach towards including and affirming the identities of gender diverse PE teachers in schools

    Altered visual and haptic verticality perception in posterior cortical atrophy and Alzheimer's disease

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    Abstract: There is increasing theoretical and empirical support for the brain combining multisensory information to determine the direction of gravity and hence uprightness. A fundamental part of the process is the spatial transformation of sensory signals between reference frames: eye-centred, head-centred, body-centred, etc. The question ‘Am I the right way up?’ posed by a patient with posterior cortical atrophy (PCA) suggests disturbances in upright perception, subsequently investigated in PCA and typical Alzheimer's disease (tAD) based on what looks or feels upright. Participants repeatedly aligned to vertical a rod presented either visually (visual-vertical) or haptically (haptic-vertical). Visual-vertical involved orienting a projected rod presented without or with a visual orientation cue (circle, tilted square (±18°)). Haptic-vertical involved orientating a grasped rod with eyes closed using a combination of side (left, right) and hand (unimanual, bimanual) configurations. Intraindividual uncertainty and bias defined verticality perception. Uncertainty was consistently greater in both patient groups than in control groups, and greater in PCA than tAD. Bias in the frontal plane was strongly directionally affected by visual cue tilt (visual-vertical) and grip side (haptic-vertical). A model was developed that assumed verticality information from multiple sources is combined in a statistically optimal way to produce observed uncertainties and biases. Model results suggest the mechanism that spatially transforms graviceptive information between body parts is disturbed in both patient groups. Despite visual dysfunction being typically considered the primary feature of PCA, disturbances were greater in PCA than tAD particularly for haptic-vertical, and are considered in light of posterior parietal vulnerability. (Figure presented.). Key points: The perception of upright requires accurate and precise estimates of orientation based on multiple noisy sensory signals. The question ‘Am I the right way up?’ posed by a patient with posterior cortical atrophy (PCA; purported ‘visual variant Alzheimer's’) suggests disturbances in the perception of upright. What looks or feels upright in PCA and typical Alzheimer's disease (tAD) was investigated by asking participants to repeatedly align to vertical a rod presented visually (visual-vertical) or haptically (haptic-vertical). PCA and tAD groups exhibited not only greater perceptual uncertainty than controls, but also exaggerated bias induced by tilted visual orientation cues (visual-vertical) and grip side (haptic-vertical). When modelled, these abnormalities, which were particularly evident in PCA haptic-vertical performance, were compatible with disruption of a mechanism that spatially transforms verticality information between body parts. The findings suggest an important role of posterior parietal cortex in verticality perception, and have implications for understanding spatial disorientation in dementia. © 2021 The Authors. The Journal of Physiology published by John Wiley & Sons Ltd on behalf of The Physiological Society

    Interleukin (Il)-18 Promotes the Development of Chronic Gastrointestinal Helminth Infection by Downregulating IL-13

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    Expulsion of the gastrointestinal nematode Trichuris muris is mediated by a T helper (Th) 2 type response involving interleukin (IL)-4 and IL-13. Here we show that Th1 response–associated susceptibility involves prior activation of IL-18 and caspase-1 followed by IL-12 and interferon (IFN)-γ in the intestine. IL-18–deficient mice are highly resistant to chronic T. muris infection and in vivo treatment of normal mice with recombinant (r)IL-18 suppresses IL-13 and IL-4 secretion but does not affect IFN-γ
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