3,067 research outputs found

    PSYCHOLOGICAL THOUGHT WITHIN THE CONTEXT OF THE SCIENTIFIC REVOLUTION, 1665-1700

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    Peter John Ott: From Gymnastics to Geraniums

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    Corning from a family of civically and commercially active individuals, himself having been a leader in the youthful German community, Peter John Ott chose for himself a quieter world. The mature Ott found his happiness in his own home, in the joys of his children and the beauty of his flower garden.https://digitalcommons.georgiasouthern.edu/sav-bios-lane/1165/thumbnail.jp

    Calcium dependent chloride transport in the rectal gland of the dogfish shark squalous acanthias

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    Napoleon and Talleyrand: The Last Two Weeks

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    Metallicity Distribution Functions of Four Local Group dwarf galaxies

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    We present stellar metallicities in Leo I, Leo II, IC 1613, and Phoenix dwarf galaxies derived from medium (F390M) and broad (F555W, F814W) band photometry using the Wide Field Camera 3 (WFC3) instrument aboard the Hubble Space Telescope. We measured metallicity distribution functions (MDFs) in two ways, 1) matching stars to isochrones in color-color diagrams, and 2) solving for the best linear combination of synthetic populations to match the observed color-color diagram. The synthetic technique reduces the effect of photometric scatter, and produces MDFs 30-50 % narrower than the MDFs produced from individually matched stars. We fit the synthetic and individual MDFs to analytical chemical evolution models (CEM) to quantify the enrichment and the effect of gas flows within the galaxies. Additionally, we measure stellar metallicity gradients in Leo I and II. For IC 1613 and Phoenix our data do not have the radial extent to confirm a metallicity gradient for either galaxy. We find the MDF of Leo I (dwarf spheroidal) to be very peaked with a steep metal rich cutoff and an extended metal poor tail, while Leo II (dwarf spheroidal), Phoenix (dwarf transition) and IC 1613 (dwarf irregular) have wider, less peaked MDFs than Leo I. A simple CEM is not the best fit for any of our galaxies, therefore we also fit the `Best Accretion Model' of Lynden-Bell 1975. For Leo II, IC 1613 and Phoenix we find similar accretion parameters for the CEM, even though they all have different effective yields, masses, star formation histories and morphologies. We suggest that the dynamical history of a galaxy is reflected in the MDF, where broad MDFs are seen in galaxies that have chemically evolved in relative isolation and narrowly peaked MDFs are seen in galaxies that have experienced more complicated dynamical interactions concurrent with their chemical evolution.Comment: 15 pages, 8 figures, accepted in A

    Visions: Art Outside the Box at the Ohr-O\u27Keefe Museum of Art in Biloxi, Mississippi

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    The Ohr-O\u27Keefe Museum of Art in Biloxi, Mississippi, is the preeminent repository for the works of visionary Biloxi-born pottery master George E. Ohr (1857-1918). During his youth, Ohr was an apprentice to potter Joseph Fortune Meyer for approximately one year in New Orleans. It was during this time that he began to hone his artistic skills and to learn the mechanics of the pottery trade. After his apprenticeship, he traveled to potteries in sixteen states and numerous World\u27s Fairs to learn about techniques and glazes. He came back from his travels and assisted Meyer once again in New Orleans at the New Orleans Art Pottery, which was formed to glaze and fire pottery for the Ladies Decorative Arts League and operated under the auspices of Tulane University. Through this combination of traveling and apprenticing, Ohr developed his own vanguard style and manipulation of the clay medium. His once unappreciated and unvalued ceramic art pieces were embraced by the art world during the latter part of the twentieth century and exhibited in such venues as the Metropolitan Museum of Art, the American Museum of Ceramic Art and the Smithsonian Institution\u27s National Museum of American History. Converse to aesthetic notions that were pervasive during the late-nineteenth century, Ohr\u27s whimsical and abstract ceramic masterpieces are injected with a delightful sense of humor; he did, after all, proclaim himself as The Mad Potter of Biloxi . He is widely considered to be a pioneer of the Modernist movement, and his inimitable art pieces continue to expand the boundaries of American art as a whole. While Ohr\u27s aesthetic originality and expert craftsmanship have been embraced only since the late-twentieth century, the Ohr O\u27Keefe Museum of Art stands to bear witness to a host of innovative artists for years to come. In tandem with the innovative spirit of George E. Ohr, the Museum proudly presents its newest exhibition, Visions: Art Outside the Box , which encompasses the self-revelatory work of five artists with deep Mississippi and Louisiana roots: Theodore Brooks, Martin Green, Charles W. St. Julien, Dr. Charles Smith and Willie White. These artists inhabit various mediums but all exemplify the visionary artistic experience of self-reflection, inventiveness, imagination and expression. This culturally rich and exceedingly diverse collection provides insight into the artistic heritage that pervades the Mississippi Gulf Coast

    Risk factors and mortality associated with multimorbidity in people with stroke or transient ischaemic attack: a study of 8,751 UK Biobank participants

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    Background: Multimorbidity is common in stroke, but the risk factors and effects on mortality remain poorly understood. Objective: To examine multimorbidity and its associations with sociodemographic/lifestyle risk factors and all-cause mortality in UK Biobank participants with stroke or transient ischaemic attack (TIA). Design: Data were obtained from an anonymized community cohort aged 40–72 years. Overall, 42 comorbidities were self-reported by those with stroke or TIA. Relative risk ratios demonstrated associations between participant characteristics and number of comorbidities. Hazard ratios demonstrated associations between the number and type of comorbidities and all-cause mortality. Results were adjusted for age, sex, socioeconomic status, smoking, and alcohol intake. Data were linked to national mortality data. Median follow-up was 7 years. Results: Of 8,751 participants (mean age 60.9±6.7 years) with stroke or TIA, the all-cause mortality rate over 7 years was 8.4%. Over 85% reported ≥1 comorbidities. Age, socioeconomic deprivation, smoking and less frequent alcohol intake were associated with higher levels of multimorbidity. Increasing multimorbidity was associated with higher all-cause mortality. Mortality risk was double for those with ≥5 comorbidities compared to those with none. Having cancer, coronary heart disease, diabetes, or chronic obstructive pulmonary disease significantly increased mortality risk. Presence of any cardiometabolic comorbidity significantly increased mortality risk, as did any non-cardiometabolic comorbidity. Conclusions: In stroke survivors, the number of comorbidities may be a more helpful predictor of mortality than type of condition. Stroke guidelines should take greater account of comorbidities, and interventions are needed that improve outcomes for people with multimorbidity and stroke

    Individual differences in script reports: implications for language assessment

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    Journal ArticleWhen individuals are asked to describe routine events, their descriptions often exhibit characteristics of script reports (Schank & Abelson, 1977). A script has been defined as a set of expectations individuals have about routine events that is organized in a temporal-causal sequence of acts or single actions (Fivush, 1984; Nelson, Fivush, Hudson, & Lucariello, 1983). Individuals use the organization of scripts to describe routine events and to aid in their memory of specific instances of events (Bower, Black & Turner, 1979). The organization of scripts has also been found to enhance children's use and comprehension of language (Constable, 1986; Furman & Walden, 1989; Lucariello, Kyratzis, & Engel, 1986)

    Joint Instability as the Cause of Chronic Musculoskeletal Pain and Its Successful Treatment with Prolotherapy

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    This chapter is based on the premise that treatment with prolotherapy can greatly reduce chronic musculoskeletal pain, which affects more than 1 billion people worldwide. Although relatively unknown to mainstream medicine, prolotherapy has been used for decades to treat chronic musculoskeletal pain, doing so by correcting the underlying cause of that pain: joint instability due to ligament laxity. Discussions of joint instability, ligament physiology and biomechanics, compressive and shear forces, sites of instability, pain referral patterns, and ligament injury and healing demonstrate how they all interrelate to cause chronic pain. Treating chronic pain using nonsteroidal anti-inflammatory drugs, corticosteroids, and the rest, ice, compression, and elevation protocol actually inhibit the natural healing process of injured ligaments because they interrupt the inflammatory response, prevent joint swelling, and hinder cell proliferation, resulting in further ligament laxity and tissue regrowth that is inferior to native ligament tissue. Unlike conventional treatments, prolotherapy injects small volumes of an irritant solution into painful ligaments, tendons, joints, and surrounding joint spaces, initiating an inflammatory response which then attracts substances that promote normal cell and tissue growth. Their propagation stimulates the injured ligament to proliferate and grow at the injection sites, resulting in the regeneration of new tissue
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