154 research outputs found

    Emotional Concomitants of Speech Disorders

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    Professionals in the area of speech have long felt that children with the voice disorder associated with vocal nodules differed emotionally from other children. This study sought to better delineate this hypothesized difference. The hope was that increased understanding might ultimately result in more effective evaluation, prevention and treatment of this disorder and problems associated with it.Psycholog

    Prevention for a Healthier California: Investments in Disease Prevention Yield Significant Savings, Stronger Communities

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    Estimates how much the state and the nation could save in healthcare costs by investing in disease prevention through community programs that increase physical activity, improve nutrition, and reduce tobacco use. Provides examples of prevention efforts

    Assessing a Foundation’s Contribution to Public-Policy Change: A New Framework

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    This article presents a framework for evaluating a foundation’s role in complex policy-change efforts, based on a 10-year retrospective evaluation of The California Wellness Foundation’s grantmaking in public policy. After examining more than 25 policy outcomes associated with the foundation’s grantmaking priorities, three dimensions of contribution emerged: the role of its grantees relative to other organizations, the prominence of its role and funding relative to other funders or donors, and the degree of alignment between the policy change and the foundation’s policy goals. The experience of The California Wellness Foundation illustrates that there is no single approach to supporting work toward major policy change, and that a foundation’s grantmaking approach should be aligned with its philosophy of how change happens and how it relates to its grantees and with the external policy environment

    Key Ingredients for School Food Systems: An Evaluation of the Orfalea Foundation’s School Food Initiative

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    In 2007, the Orfalea Foundation launched a nine-year strategic effort aimed at empowering public school districts in California’s Santa Barbara County. The purpose was to implement food-service operations that offered nourishing meals and to create a culture that prioritized the health and wellness of children and families. The initiative, which involved 84 schools and more than 50,000 students, assessed the capacity of the county’s school food services, including existing skill levels and equipment needs. Striving to tailor programming to specific needs, the foundation emphasized stakeholder involvement throughout the process. The foundation took a number of steps to understand the value and impact of the initiative, including working with Evaluation Specialists, an outside evaluator. This article shares best practices and lessons learned with organizations interested in learning from and replicating the initiative’s efforts, and with policymakers and school districts interested in improving school food

    Changes in depressive symptoms, perceived stres, and food security among study participants with metabolic syndrome during a COVID-19-mandated research pause

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    Introduction: This study explored how food security, perceived stress and mental health of persons with metabolic syndrome (MetS) changed in the COVID-19 pandemic. Methods: An online survey was administered to persons enrolled in a 2-year lifestyle intervention trial to reverse metabolic syndrome at baseline; the survey was repeated during the COVID-19 pandemic. Outcomes were a change in depressive symptoms, perceived stress, and food security as measured by the Patient Health Questionnaire-8, Cohen Stress Scale, and USDA 10-item Food Security Screener. Changes in outcomes were analyzed with measures of association, paired t-test, repeated measures and independent t-test. Results: Participants (n = 132; MetS diagnosis) were mostly female (67%), White (70%), middle-aged, well-educated, with median income of $86,000. Perceived stress was significantly higher at baseline than follow-up (18.5 ± 6.4 vs. 14.9 ± 7.2; P Conclusion: A high-risk sample for COVID-19 did not experience increased stress or food insecurity, but demonstrated increased depressive symptoms after the onset of COVID-19 pandemic, with some baseline susceptibility noted

    Considering the role of cognitive control in expert performance

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    © 2014, Springer Science+Business Media Dordrecht. Dreyfus and Dreyfus’ (1986) influential phenomenological analysis of skill acquisition proposes that expert performance is guided by non-cognitive responses which are fast, effortless and apparently intuitive in nature. Although this model has been criticised (e.g., by Breivik Journal of Philosophy of Sport, 34, 116–134 2007, Journal of the Philosophy of Sport, 40, 85–106 2013; Eriksen 2010; Montero Inquiry:An interdisciplinary Journal of Philosophy, 53, 105–122 2010; Montero and Evans 2011) for over-emphasising the role that intuition plays in facilitating skilled performance, it does recognise that on occasions (e.g., when performance goes awry for some reason) a form of ‘detached deliberative rationality’ may be used by experts to improve their performance. However, Dreyfus and Dreyfus (1986) see no role for calculative problem solving or deliberation (i.e., drawing on rules or mental representations) when performance is going well. In the current paper, we draw on empirical evidence, insights from athletes, and phenomenological description to argue that ‘continuous improvement’ (i.e., the phenomenon whereby certain skilled performers appear to be capable of increasing their proficiency even though they are already experts; Toner and Moran 2014) among experts is mediated by cognitive (or executive) control in three distinct sporting situations (i.e., in training, during pre-performance routines, and while engaged in on-line skill execution). We conclude by arguing that Sutton et al. Journal of the British Society for Phenomenology, 42, 78–103 (2011) ‘applying intelligence to the reflexes’ (AIR) approach may help to elucidate the process by which expert performers achieve continuous improvement through analytical/mindful behaviour during training and competition

    Comparison of Pittsburgh compound B and florbetapir in cross-sectional and longitudinal studies.

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    IntroductionQuantitative in vivo measurement of brain amyloid burden is important for both research and clinical purposes. However, the existence of multiple imaging tracers presents challenges to the interpretation of such measurements. This study presents a direct comparison of Pittsburgh compound B-based and florbetapir-based amyloid imaging in the same participants from two independent cohorts using a crossover design.MethodsPittsburgh compound B and florbetapir amyloid PET imaging data from three different cohorts were analyzed using previously established pipelines to obtain global amyloid burden measurements. These measurements were converted to the Centiloid scale to allow fair comparison between the two tracers. The mean and inter-individual variability of the two tracers were compared using multivariate linear models both cross-sectionally and longitudinally.ResultsGlobal amyloid burden measured using the two tracers were strongly correlated in both cohorts. However, higher variability was observed when florbetapir was used as the imaging tracer. The variability may be partially caused by white matter signal as partial volume correction reduces the variability and improves the correlations between the two tracers. Amyloid burden measured using both tracers was found to be in association with clinical and psychometric measurements. Longitudinal comparison of the two tracers was also performed in similar but separate cohorts whose baseline amyloid load was considered elevated (i.e., amyloid positive). No significant difference was detected in the average annualized rate of change measurements made with these two tracers.DiscussionAlthough the amyloid burden measurements were quite similar using these two tracers as expected, difference was observable even after conversion into the Centiloid scale. Further investigation is warranted to identify optimal strategies to harmonize amyloid imaging data acquired using different tracers

    The Arecibo Legacy Fast ALFA Survey: II. Results of Precursor Observations

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    In preparation for the full Arecibo Legacy Fast ALFA extragalactic HI survey, precursor observations were carried out in Aug--Sep 2004 with the 7-beam Arecibo L-band feed array (ALFA) receiver system and the WAPP spectral processors. While these observations were geared mainly at testing and debugging survey strategy, hardware and software, approximately 36 hours of telescope time yielded science--quality data. From those observations, an initial list of 730 tentative detections of varying degree of reliability was extracted. Ninety--eight high signal-to-noise candidates were deemed to be bona fide HI line detections. To test our ability to discriminate cosmic signals from RFI and noise, 165 candidates ranging in reliability likelihood were re--observed with the single beam L--band wide system at Arecibo in Jan--Feb 2005. Of those, 41% were confirmed as real. We present the results of both the ALFA and single beam observations for the sample of 166 confirmed HI sources, as well as our assessment of their optical counterparts. Of the 166 sources, 62 coincide with previously known HI sources, while optical redshifts were available for an additional 18 galaxies; thus, 52% of the redshifts reported here were previously unknown. Of the 166 HI detections, 115 are identified with previously cataloged galaxies, of either known or unknown redshift, leaving 51 objects identified for the first time. Because of the higher sensitivity of the Arecibo system, fewer than 10% of the 166 HI sources would have been detected by a HIPASS--like survey of the same region. Three of the objects have HI masses less than 10^7 solar masses. The full ALFALFA survey which commenced in February 2005 should detect more than 100 times as many objects of similarly low HI mass over the next 5 years.Comment: 40 pages, including 4 tables and 8 figures; to appear in Astron. J.; see http://egg.astro.cornell.edu/alfalfa/pubs.ph
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