310 research outputs found

    A Predictive Model for TCK Identity Development: What Role Do Faith Development and Religious Motivation Play?

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    This study examines the predictive association of 86 Third Culture Kids’ (TCK) faith development, religious commitment, and identity development statuses. TCKs’ low levels of faith development and religious motivation were associated with lower levels of identity statuses while TCKs’ achieved identity statuses were associated with high levels of faith development and religious motivation. The results of the direct logistical regression revealed that the full model containing the two predictor variables (intrinsic religious motivation and faith stage) significantly predicted identity achievement status. The model accounted for between 18.7% and 29.2% of the variance in identity status. It correctly classified 83.7% of the cases

    Connecting Online: Can Social Networking and other Technology Support Doctoral Connectedness?

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    The purpose of this study was to examine the influence of online doctoral students’ interactions via peer initiated and university initiated technology on their sense of connectedness. The participants of this study were 132 doctoral candidates enrolled in an online Doctor of Education program located in the United States. Findings from this study suggest a non-significant relationship between student interaction via the university sponsored Facebook page and sense of connectedness between peers and faculty; however, candidates who used social networking technologies to interact with peers outside of the classroom reported a higher sense of connectedness than those who did not. Candidates who used web-based communication technologies such as Skype, Facebook, and Twitter demonstrated a stronger sense of connectedness with their peers than those who chose to interact with peers via the phone or e-mail; however, the frequency of these interactions did not influence the candidates’ feeling of connectedness

    Psychophysical correlates of global motion processing in the aging visual system: a critical review

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    The consequences of visual decline in aging have a fundamental and wide-reaching impact on age-related quality of life. It is of concern therefore that evidence suggests that normal aging is accompanied by impairments in the ability to effectively encode global motion. Global motion perception is a fundamentally important process. It enables us to determine the overall velocity of spatially extensive objects in the world and provides us with information about our own body movements. Here, we review what is currently known about the effects of age on performance for encoding the global motion information available in random dot kinematograms (RDKs), a class of stimuli widely used to probe the mechanisms underlying motion perception. We conclude that age-related deficits in global motion perception are not all encompassing. Rather, they appear to be specific to certain stimulus conditions. We also examine evidence for an interaction between age and gender and consider the efficacy of techniques such as visual perceptual learning that may attenuate some of the visual deficits in the older adult population

    What causes breast cancer? A systematic review of causal attributions among breast cancer survivors and how these compare to expert endorsed risks.

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    This item is under embargo for a period of 12 months from the date of publication, in accordance with the publisher's policy. The final publication is available at Springer via http://dx.doi.org/10.1007/s10552-014-0377-3.Purpose. The aim of this paper was to review published research that analyzed causal attributions for breast cancer among women previously diagnosed with breast cancer. These attributions were compared with risk factors identified by published scientific evidence in order to determine the level of agreement between cancer survivors’ attributions and expert opinion. Methods. A comprehensive search for articles, published between 1982 and 2012, reporting studies on causal attributions for breast cancer among patients and survivors was undertaken. Of 5,135 potentially relevant articles, 22 studies met the inclusion criteria. Two additional articles were sourced from reference lists of included studies. Results. Results indicated a consistent belief among survivors that their own breast cancer could be attributed to family history, environmental factors, stress, fate or chance. Lifestyle factors were less frequently identified, despite expert health information highlighting the importance of these factors in controlling and modifying cancer risk. This review demonstrated that misperceptions about the contribution of modifiable lifestyle factors to the risk of breast cancer have remained largely unchanged over the past 30 years. Conclusions. The findings of this review indicate that beliefs about the causes of breast cancer among affected women are not always consistent with the judgment of experts. Breast cancer survivors did not regularly identify causal factors supported by expert consensus such as age, physical inactivity, breast density, alcohol consumption and reproductive history. Further research examining psychological predictors of attributions and the impact of cancer prevention messages on adjustment and well-being of cancer survivors is warranted

    Binocular summation of second-order global motion signals in human vision

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    Although many studies have examined the principles governing first-order global motion perception, the mechanisms that mediate second-order global motion perception remain unresolved. This study investigated the existence, nature and extent of the binocular advantage for encoding second-order (contrast-defined) global motion. Motion coherence thresholds (79.4 % correct) were assessed for determining the direction of radial, rotational and translational second-order motion trajectories as a function of local element modulation depth (contrast) under monocular and binocular viewing conditions. We found a binocular advantage for second-order global motion processing for all motion types. This advantage was mainly one of enhanced modulation sensitivity, rather than of motion-integration. However, compared to findings for first-order motion where the binocular advantage was in the region of a factor of around 1.7 [Hess et al., 2007, Vision Research 47, 1682-1692 & the present study], the binocular advantage for second-order global 2 motion was marginal, being in the region of around 1.2. This weak enhancement in sensitivity with binocular viewing is considerably less than would be predicted by conventional models of either probability summation or neural summation

    Airway expression of Transient Receptor Potential (TRP) Vanniloid-1 and Ankyrin-1 channels is not increased in patients with Idiopathic Pulmonary Fibrosis

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    Dry cough is a common symptom described in patients with Idiopathic Pulmonary Fibrosis (IPF) and impairs quality of life. The exact mechanisms causing cough in IPF remain unclear, however evidence suggests altered cough neurophysiology and sensitisation plays a role; IPF patients have an enhanced cough reflex sensitivity to inhaled capsaicin. The Transient Receptor Potential Vanniloid-1 channel (TRPV-1) has a role in the cough reflex and airway expression is increased in patients with chronic cough. The Ankyrin-1 receptor (TRPA-1) is often coexpressed. It was hypothesised that, like chronic cough patients, IPF patients have increased airway TRP receptor expression. Bronchial biopsies were obtained from 16 patients with IPF, 11 patients with idiopathic chronic cough and 8 controls without cough. All other causes of cough were rigorously excluded. Real-time quantitative Polymerase Chain Reaction was used to detect TRPV-1 and TRPA-1 mRNA expression with Immunohistochemistry demonstrating protein expression. Mean TRPV-1 and TRPA-1 gene expression was higher in IPF patients compared with controls, but the difference did not reach statistical significance. Immunostaining supported these findings. This study suggests that structural up-regulation of central airway TRP receptors is not the key mechanism for cough in IPF patients. It is probable that IPF cough results from altered neuronal sensitivity at multiple levels of the cough pathway

    The prevalence of hepatitis C virus among people of South Asian origin in Glasgow: results from a community based survey and laboratory surveillance

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    Background South Asians often present late with HCV or HBV related liver disease which could have been avoided with early diagnosis and subsequent treatment; however the prevalence of HCV/HBV among South Asians in Glasgow is not known. Accordingly, to inform the need for case finding among this group we aimed to examine the prevalence of Hepatitis C virus (HCV) among South Asians living in Glasgow. Methods A community-based survey recruited individuals at six mosques and four community centres serving the South Asian community during 2009-2010; participants had predominantly never been HCV tested. Laboratory surveillance data involving all individuals tested for HCV during 1993-2009 were examined and South Asians were identified using Nam Pehchan software. Results In the community-based survey, 2.6% of 1288 participants tested HCV-antibody positive; the prevalence ranged from 0.6% among those born in the UK to 3.1% among those born in Pakistan. The odds of testing HCV-antibody positive were significantly raised among those who had surgery in South Asia (aOR: 5.0, 95% CI: 2.0-12.3) and had either medical/dental treatment or an injection in South Asia (aOR: 2.2, 95% CI: 1.0-5.0). Of 6404 South Asians identified from laboratory surveillance data, 9.3% tested HCV positive. An estimated 38% (330/870) of HCV-infected South Asians living in Glasgow remain undiagnosed. Conclusions South Asians living in Glasgow, particularly those born outside the UK are at greater risk of HCV infection than the general population. Efforts to increase awareness and testing in this population are warranted.</p

    OLAC Best Practices for Cataloging DVD-Video and Blu-ray Discs, Objects, Streaming Media, and Video Games Using the Original RDA Toolkit and MARC 21

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    The OLAC Unified Best Practices Guide brings together the current published best practice guides into a single best practices guide that incorporates Best Practices for Cataloging DVD-Video and Blu-ray Discs Using RDA and MARC21, Best Practices for Cataloging Objects Using RDA and MARC 21, Best Practices for Cataloging Streaming Media Using RDA and MARC21, and Best Practices for Cataloging Video Games Using RDA and MARC21
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