2,598 research outputs found

    “An umbrella for all things”: Black Daughter\u27s Sexual Decisions and Paternal Engagement

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    Objective: The purpose of this article is to highlight the value of Black fathers to the sexual decision-making processes among Black adolescent and young adult daughters. Background: Various contextual factors, such as fewer sexual health resources in poorer communities and federal funding cuts to family planning service agencies, ultimately contribute to the sexual health decision-making of adolescent young women and may be linked to sexual health disparities among Black adolescent women. Recent studies have reported the protective nature of a Black father’s engagement to be beneficial to the behavioral outcomes of adolescent daughters. Method: Findings from 17 semistructured interviews conducted with Black adolescent and young adult women are used to discuss the impact of Black fathers’ engagement in their lives on their decision-making processes. Results: Findings from grounded theory and thematic analysis techniques highlight the impact of paternal advice and expectations on the respondents’ sexual decisions through two primary themes: “teaches me about the game” and “umbrella-like protection.” Conclusion: Future research should consider interventions that consider the intersectional experiences of Black adolescent women and the implications of gender and power dynamics on how Black fathers’ engagement may be important to a daughter’s sexual health decision-making processes. Implications: Practitioners working with Black families may consider including Black fathers in sexual health communication efforts to support Black daughters’ healthy sexual decision-makin

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    Effects of rest intervals on lower extremity kinematics and coupling during the Star Excursion balance test

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    Meeting abstract From 4th Congress of the International Foot and Ankle Biomechanics (i-FAB) Community Busan, Korea. 8-11 April 201

    Facts about Fowl Cholera

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    Fowl cholera is a specific infectious disease which affects nearly all species of poultry. Quite frequently it occurs as an acute disease, but sub-acute and chronic infections are also common. It is one of the oldest of the poultry diseases, the infectious nature having been recognized for a century. Fowl cholera was first reported in the United States in 1880. From that time to the present the disease has accounted for an enormous loss of poultry. It is not of equal importance in all parts of the country. In some areas cholera occurs only sporadically; other areas show a decline in numbers of outbreaks as compared to· 15 to 20 years ago. This decline may be due, in part, to better poultry management practices. In other areas fowl cholera is prevalent every year, affecting many flocks and accounting for a high mortality. (See more in text

    Implementation and Analysis of an Image-Based Global Illumination Framework for Animated Environments

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    We describe a new framework for efficiently computing and storing global illumination effects for complex, animated environments. The new framework allows the rapid generation of sequences representing any arbitrary path in a view space within an environment in which both the viewer and objects move. The global illumination is stored as time sequences of range-images at base locations that span the view space. We present algorithms for determining locations for these base images, and the time steps required to adequately capture the effects of object motion. We also present algorithms for computing the global illumination in the base images that exploit spatial and temporal coherence by considering direct and indirect illumination separately. We discuss an initial implementation using the new framework. Results and analysis of our implementation demonstrate the effectiveness of the individual phases of the approach; we conclude with an application of the complete framework to a complex environment that includes object motion

    PET and P300 Relationships in Early Alzheimer\u27s Disease

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    The P300 (P3) wave of the auditory brain event-related potential was investigated in patients with probable Alzheimer\u27s disease to determine whether P300 latency discriminated these patients from controls and whether prolonged P300 latency correlated with rates of brain glucose metabolism as measured by Positron Emission Tomography. P300 latency was prolonged by more than 1.5 standard deviations from age expectancy in 14 of 18 patients, but none of 17 controls. In these subjects P300 latency was shown to be inversely correlated with relative metabolic rates of parietal and, to a lesser extent, temporal and frontal association areas, but not with subcortical areas

    The Effect of Magnetization upon the Elasticity of Rods

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    In the Physical Review, Vol. II, No. 4 and Vol. III., No. 6, is described a series of important experiments which show the relation between temperature and elasticity in wire. In one of the papers the statement was made that the results seem to indicate that the magnetizing effect of the current through the wire increases the modulus of elasticity. The increase in temperature in the wire was produced by sending a current directly through it, and also by sending a current through the helix that surrounded it. The author stated that the magnetization produced by the first method had no appreciable effect on the result, and that if there is any difference in the effects produced upon the elasticity of a wire by magnetizing it, that difference is too small to be detected with any certainty by this experiment. This paper contains the results of some experiments whose object was to test the effect of magnetization upon the modulus of elasticity by the application of interference methods of measurement

    Structure and morphology of an active conjugate relay zone, Messina Strait, southern Italy

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    Messina Strait is a narrow fault-bounded marine basin that separates the Calabrian peninsula from Sicily in southern Italy. It sits in a seismically active region where normal fault scarps and raised Quaternary marine terraces record ongoing extension driven by southeastward rollback of the Calabrian subduction zone. A review of published studies and new data shows that normal faults in the Messina Strait region define a conjugate relay zone where displacement is transferred along strike from NW-dipping normal faults in the northeast (southern Calabria) to the SE-dipping Messina-Taormina normal fault in the southwest (offshore eastern Sicily). The narrow marine strait is a graben undergoing active subsidence within the relay zone, where pronounced curvature of normal faults results from large strain gradients and clockwise rotations related to fault interactions. Based on regional fault geometries and published age constraints, we infer that normal faults in southern Calabria migrated northwest while normal faults in NE Sicily migrated southeast during the past ca. 2–2.5 Myr. This pattern has resulted in tectonic narrowing of the strait through time by inward migration of facing normal faults and rapid mantle-driven uplift

    In vivo evidence that truncated trkB.T1 participates in nociception

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    Brain-Derived Neurotrophic Factor (BDNF) is a central nervous system modulator of nociception. In animal models of chronic pain, BDNF exerts its effects on nociceptive processing by binding to the full-length receptor tropomyosin-related kinase B (trkB.FL) and transducing intracellular signaling to produce nocifensive behaviors. In addition to trkB.FL, the trkB locus also produces a widely-expressed alternatively-spliced truncated isoform, trkB.T1. TrkB.T1 binds BDNF with high affinity; however the unique 11 amino acid intracellular cytoplasmic tail lacks the kinase domain of trkB.FL. Recently, trkB.T1 was shown to be specifically up-regulated in a model of HIV-associated neuropathic pain, potentially implicating trkB.T1 as a modulator of nociception. Here, we report that trkB.T1 mRNA and protein is up-regulated in the spinal dorsal horn at times following antiretroviral drug treatment and hind paw inflammation in which nocifensive behaviors develop. While genetic depletion of trkB.T1 did not affect baseline mechanical and thermal thresholds, the absence of trkB.T1 resulted in significant attenuation of inflammation- and antiretroviral-induced nocifensive behaviors. Our results suggest that trkB.T1 up-regulation following antiretroviral treatment and tissue inflammation participates in the development and maintenance of nocifensive behavior and may represent a novel therapeutic target for pain treatment
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