123 research outputs found

    A Tribute to Harro Van Brummelen

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    Towards a reformed epistemology and its educational significance.

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    This thesis examines Reformed epistemology as it finds expression in the writings of Abraham Kuyper, Cornelius Van Til and Alvin Plantinga. It seeks to develop three main themes of this kind of approach in order to see whether they constitute an adequate foundation for a coherent account of faith and to examine their significance for educational theory. The themes studied are: belief in God may be properly basic in a rational noetic structure; divine revelation can be selfauthenticating; and sin has noetic effects. Discussion of the third of these is focused upon rational autonomy and, in particular, upon the form it takes in the pancritical rationalism of W. W. Bartley. The position developed is a moderate form of foundationalism which seeks to ground belief in God in an immediate awareness of him speaking through the propositions of scripture. It opposes an ideal of theonomous response to divine revelation to that of unlimited rational autonomy. The study of educational issues commences with an examination of the relationship between a Reformed Christian worldview and educational (or other) theory construction and argues for the transformation from within of the areas of knowledge through the introduction into them of Christian presuppositions. In accordance with this strategy for the integration of faith and learning, a study is made of the implications of the Reformed critique of autonomy for educational aims and methods and for discussions of the issue of indoctrination. The final issue dealt with is that of whether or not it is right or necessary to set up separate schools of Reformed Christian and other outlooks in our contemporary pluralist society. The conclusion reached is that there is a place for good Reformed Christian schools but nevertheless the Reformed Christian teacher may, in good conscience, teach in a state school

    Dissertatio medica inauguralis, de febre flava Hispaniae

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    Omissis omnibus disputationibus de nomine quod huic morbo imponi debeat, eo, quo optime cognitus est in iis regionibus, in quibus maxime grassatur, uti licebit

    Assault-related severe ocular chemical injury at a London ophthalmic referral hospital: a 3-year retrospective observational study.

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    OBJECTIVES: To understand the incidence, causes, management and outcomes of intentional (assault) and unintentional severe ocular chemical injuries (SOCI) at an urban tertiary referral centre in the UK. DESIGN: Retrospective observational study. SETTING: A London tertiary referral ophthalmic centre, Moorfields Eye Hospital. PARTICIPANTS: All cases of SOCI presenting between 1 September 2011 and 31 August 2014 were identified. The definition of SOCI was grade 3 or 4 on the Hughes-Roper-Hall classification system. We identified 25 cases (6 in 2011-2012, 8 in 2012-2013, 11 in 2013-2014). Median age was 31.1 years. 23 cases (92%) were male. PRIMARY AND SECONDARY OUTCOME MEASURES: The primary outcome was the proportion of cases of SOCI caused by assault, per year. Secondary outcome measures included the number of cases of SOCI, injury characteristics and mechanism, initial and long-term management, visual outcome and the need for surgical intervention. RESULTS: Between 2011 and 2012, 3/6 cases were due to assault (50%); between 2012 and 2013, 7/8 were due to assault (87.5%); and between 2013 and 2014, 6/11 were due to assault (54.4%). Assault was responsible for 16/25 (64%) cases overall, while 8/25 (32%) cases were work related. The causative agent was known to be alkali in 16/25 (64%), while 10/25 (40%) did not complete the follow-up. The mean number of clock hours of limbal ischaemia was 5.24 (SD 2.97). 17/25 (68%) were Hughes-Roper-Hall grade 3. Surgical intervention occurred in 1/25. The final best-corrected visual acuity was 6/12 or worse in 11/25 (44%) and was counting fingers or worse in 4/25 (16%). CONCLUSIONS: Previous studies found that SOCI had a low incidence and that work-related injuries were the most common cause. Our study demonstrates an increasing incidence of SOCI, which may be accounted for by a rise in assault using corrosive substances. A high number of patients did not attend regularly for follow-up and visual outcomes from these injuries are poor

    How big is your bubble? : characteristics of self-isolating household units ('bubbles') during the COVID-19 Alert Level 4 period in New Zealand : a cross-sectional survey

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    Objective To characterise the self-isolating household units (bubbles) during the COVID-19 Alert Level 4 lockdown in New Zealand. Design, setting and participants In this cross-sectional study, an online survey was distributed to a convenience sample via Facebook advertising and the Medical Research Institute of New Zealand's social media platforms and mailing list. Respondents were able to share a link to the survey via their own social media platforms and by email. Results were collected over 6 days during Alert Level 4 from respondents living in New Zealand, aged 16 years and over. Main outcomes measures The primary outcome was the mean size of a self-isolating household unit or bubble. Secondary outcomes included the mean number of households in each bubble, the proportion of bubbles containing essential workers and/or vulnerable people, and the mean number of times the home was left each week. Results 14 876 surveys were included in the analysis. The mean (SD) bubble size was 3.58 (4.63) people, with mean (SD) number of households 1.26 (0.77). The proportion of bubbles containing one or more essential workers, or one or more vulnerable persons was 45.3% and 42.1%, respectively. The mean number of times individual bubble members left their home in the previous week was 12.9 (12.4). Bubbles that contained at least one vulnerable individual had fewer outings over the previous week compared with bubbles that did not contain a vulnerable person. The bubble sizes were similar by respondent ethnicity. Conclusion In this New Zealand convenience sample, bubble sizes were small, mostly limited to one household, and a high proportion contained essential workers and/or vulnerable people. Understanding these characteristics from a country which achieved a low COVID-19 infection rate may help inform public health interventions during this and future pandemics

    Primary vs. Secondary Antibody Deficiency: Clinical Features and Infection Outcomes of Immunoglobulin Replacement

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    <div><p>Secondary antibody deficiency can occur as a result of haematological malignancies or certain medications, but not much is known about the clinical and immunological features of this group of patients as a whole. Here we describe a cohort of 167 patients with primary or secondary antibody deficiencies on immunoglobulin (Ig)-replacement treatment. The demographics, causes of immunodeficiency, diagnostic delay, clinical and laboratory features, and infection frequency were analysed retrospectively. Chemotherapy for B cell lymphoma and the use of Rituximab, corticosteroids or immunosuppressive medications were the most common causes of secondary antibody deficiency in this cohort. There was no difference in diagnostic delay or bronchiectasis between primary and secondary antibody deficiency patients, and both groups experienced disorders associated with immune dysregulation. Secondary antibody deficiency patients had similar baseline levels of serum IgG, but higher IgM and IgA, and a higher frequency of switched memory B cells than primary antibody deficiency patients. Serious and non-serious infections before and after Ig-replacement were also compared in both groups. Although secondary antibody deficiency patients had more serious infections before initiation of Ig-replacement, treatment resulted in a significant reduction of serious and non-serious infections in both primary and secondary antibody deficiency patients. Patients with secondary antibody deficiency experience similar delays in diagnosis as primary antibody deficiency patients and can also benefit from immunoglobulin-replacement treatment.</p></div

    Sensorimotor plasticity after spinal cord injury: a longitudinal and translational study

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    Objective The objective was to track and compare the progression of neuroplastic changes in a large animal model and humans with spinal cord injury. Methods A total of 37 individuals with acute traumatic spinal cord injury were followed over time (1, 3, 6, and 12 months post-injury) with repeated neurophysiological assessments. Somatosensory and motor evoked potentials were recorded in the upper extremities above the level of injury. In a reverse-translational approach, similar neurophysiological techniques were examined in a porcine model of thoracic spinal cord injury. Twelve Yucatan mini-pigs underwent a contusive spinal cord injury at T10 and tracked with somatosensory and motor evoked potentials assessments in the fore- and hind limbs pre- (baseline, post-laminectomy) and post-injury (10 min, 3 h, 12 weeks). Results In both humans and pigs, the sensory responses in the cranial coordinates of upper extremities/forelimbs progressively increased from immediately post-injury to later time points. Motor responses in the forelimbs increased immediately after experimental injury in pigs, remaining elevated at 12 weeks. In humans, motor evoked potentials were significantly higher at 1-month (and remained so at 1 year) compared to normative values. Conclusions Despite notable differences between experimental models and the human condition, the brain's response to spinal cord injury is remarkably similar between humans and pigs. Our findings further underscore the utility of this large animal model in translational spinal cord injury research

    Franchises lost and gained: post-coloniality and the development of women’s rights in Canada

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    The Canadian constitution is to some extent characterised by its focus on equality, and in particular gender equality. This development of women’s rights in Canada and the greater engagement of women as political actors is often presented as a steady linear process, moving forwards from post-enlightenment modernity. This article seeks to disturb this ‘discourse of the continuous,’ by using an analysis of the pre-confederation history of suffrage in Canada to both refute a simplistic linear view of women’s rights development and to argue for recognition of the Indigenous contribution to the history of women’s rights in Canada. The gain of franchise and suffrage movements in Canada in the late nineteenth and early twentieth century are, rightly, the focus of considerable study (Pauker 2015), This article takes an alternative perspective. Instead, it examines the exercise of earlier franchises in pre-confederation Canada. In particular it analyses why franchise was exercised more widely in Lower Canada and relates this to the context of the removal of franchises from women prior to confederation

    The role of social identity and self-efficacy in predicting service providers’ use of Stepping Stones Triple P following training

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    Background: Identifying factors that may contribute to the use of programs following the completion of training by practitioners is of practical and theoretical importance. Aim: This study examined the role of social identity and self-efficacy in contributing to the delivery of an evidence-based parenting program. Methods and Procedures: A sample of 63 multi-disciplinary professionals trained in the Stepping Stones Triple P-Positive Parenting Program, for parents of children with developmental disability, as part of a statewide roll-out were interviewed two years after training. Data on the number of hours of delivery during the 2-year period was analysed along with quantitative data obtained during interviews that assessed professionals’ self-efficacy and social identity as a Stepping Stones professional. Outcomes and Results: Social identity was associated with the use of SSTP in an independent analysis, but the association was no longer significant when other factors were included in a regression model. Self-efficacy predicted the use of SSTP and was found to be a mediator in the relationship between social identity and use of SSTP. Conclusions and Implications: This first investigation into the role of social identity in the implementation of evidence-based parenting programs showed that social identity could play an important role. The role of self-efficacy in predicting program use was further supported in this study and the mediator function of self-efficacy is explored. The practical and theoretical implications of the role of self-efficacy and social identity in the training of professionals are discussed.</p
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