150 research outputs found

    Does growth in private schooling contribute to Education for All? Evidence from a longitudinal, two cohort study in Andhra Pradesh, India

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    This paper informs debates about the potential role for low-fee private schooling in achieving Education for All goals in India. It reports ‘Young Lives’ longitudinal data for two cohorts (2,906 children) in the state of Andhra Pradesh. Eight year olds uptake of private schooling increased from 24 per cent (children born in 1994-5) to 44 per cent (children born in 2001-2). Children from rural areas, lower socioeconomic backgrounds and girls continue to be under represented. While some access gaps decreased, the gender gap seems to be widening. Evidence on risks to equity strengthen the case for an effectively regulated private sector, along with reforms to government sector schools

    Cognitive Behavioral Therapy and Tinnitus Retraining Therapy Outcomes: A Systematic Review

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    Purpose or Research Questions: In adults with tinnitus, does cognitive behavioral therapy or tinnitus retraining therapy reduce symptoms and/or improve quality of life compared to adults with tinnitus who receive no intervention? Background: Tinnitus is defined as the perception of sound in the absence of external sound. Prevalence estimates are highly variable and are likely to increase with age as the prevalence of hearing loss increases, due to the association between the two conditions. Although tinnitus is highly correlated with hearing loss, many sufferers of tinnitus have measurably normal hearing. For some, tinnitus can become debilitating, interfering with quality of life and contributing to a cyclical relationship with depression and anxiety. Historically, many treatments for tinnitus have been explored, often with unsatisfactory results. However, for two of the most well-studied treatments, tinnitus retraining therapy (TRT) and cognitive behavioral therapy (CBT), research has shown evidence of symptom reduction and improvements of quality of life for tinnitus sufferers. Methods/Proposed Methods: This systematic review aims to analyze and compare outcomes for two of the most common treatments for tinnitus, cognitive behavioral therapy (CBT) and tinnitus retraining therapy (TRT), compared to no intervention for the treatment of subjective tinnitus. A search of literature in peer-reviewed journals from PubMed and PsychInfo databases between the years of 2006-2017 yielded 21 high-quality studies evaluating outcomes for CBT and/or TRT in the 18 and older population. Results/Anticipated Results: Full analysis of data is currently in progress and will be incorporated upon completion. Discussion: Outcome measures were heterogeneous, underscoring the need for future research using standardized questionnaires for the purposes of comparison analysis

    The prevalence and determinants of sexual violence against young married women by husbands in rural Nepal

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    BACKGROUND: Sexual violence within marriage is a public health and human rights issue; yet it remains a much neglected research area, especially in Nepal. This paper represents one of the first attempts to quantify the extent of sexual violence and its determinants among young married women in Nepal. METHODS: A cross-sectional survey was conducted among 1,296 married women aged 15–24 years in four major ethnic groups in rural Nepal. The survey data were used to estimate the prevalence and identify determinants of sexual violence. The relative importance of different correlates of sexual violence in the past 12 months at the individual, household and community levels were examined by using a multi-level multivariate statistical approach. RESULTS: Of the young women surveyed 46% had experienced sexual violence at some point and 31% had experienced sexual violence in the past 12 months. Women’s autonomy was found to be particularly protective against sexual violence both at the individual and community level. Women’s educational level was not found to be protective, while the educational level of the husband was found to be highly protective. CONCLUSIONS: The high prevalence of sexual violence against young women by husbands found in this study is a matter for serious concern and underscores the need for a comprehensive response by policymakers

    Timing of sedimentation, metamorphism, and plutonism in the Helgeland Nappe Complex, north-central Norwegian Caledonides

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    The Helgeland Nappe Complex consists of a sequence of imbricated east-dipping nappes that record a history of Neoproterozoic- Ordovician, sedimentary, metamorphic, and magmatic events. A combination of U-Pb dating of zircon and titanite by laser-ablation- inductively coupled plasma-mass spectrometry plus chemostratigraphic data on marbles places tight constraints on the sedimentary, tectonic, and thermal events of the complex. Strontium and carbon isotope data have identifi ed Neoproterozoic marbles in the Lower Nappe, the Horta nappe, and Scandian-aged infolds in the Vikna region. The environment of deposition of these rocks was a continental shelf, presumably of Laurentia. Detrital zircon ages from the Lower Nappe are nearly identical to those of Dalradian sedimentary rocks in Scotland. Cambrian rifting caused development of one or more ophiolitefl oored basins, into which thick sequences of Early Ordovician clastic and carbonate sediments were deposited. On the basis of ages of the youngest zircons, deposition ended after ca. 481 Ma. These basin units are now seen as the Skei Group, Sauren-Torghatten Nappe, and Middle Nappe, as well as the stratigraphically highest part of the Horta nappe and possibly of the Upper Nappe. The provenance of these sediments was partly from the Lower Nappe, on the basis of detrital zircon age populations in metasandstones and cobbles from proximal conglomerates. However, the source of Cambrian-Ordovician zircons in all of the Early Ordovician basins is enigmatic. Crustal anatexis of the Lower and Upper Nappes occurred ca. 480 Ma, followed by imbrication of the entire nappe sequence. By ca. 478 Ma, the Horta nappe was overturned and was at the structural base of the nappe sequence, where it underwent migmatization and was the source of S-type magmas. Diverse magmatic activity followed ca. 465 Ma, 450-445 Ma, and 439-424 Ma. Several plutons in the youngest age range contain inherited 460-450 Ma zircons. These zircons are interpreted to refl ect a deep crustal zone in which mafi c magmas caused melting, mixing, and hybridization from 460 to 450 Ma. Magmatic reheating of this zone, possibly associated with crustal thickening, resulted in voluminous, predominantly tonalitic magmatism from 439 to 424 Ma

    eagle-i: An Ontology-Driven Framework For Biomedical Resource Curation And Discovery

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    The eagle-i Consortium ("http://www.eagle-i.org/home":www.eagle-i.org/home) comprises nine geographically and ethnically diverse universities across America working to build a federated network of research resources. Biomedical research generates many resources that are rarely shared or published, including: reagents, protocols, instruments, expertise, organisms, training opportunities, software, human studies, and biological specimens. The goal of eagle-i is to improve biomedical research by helping researchers more easily find scientific resources that are difficult to discover, reducing time-consuming and expensive duplication of resources. Now in early development, the system will ultimately expand to include research resources at other universities following the end of the two-year pilot phase. An application ontology is being developed to enable representation of core facility and research lab resources in the eagle-i repository, leading to more effective searches and better linkage between data types. The eagle-i ontology will guide users to valid queries via auto-suggestion, ontology browsing, concept-based search, and synonym expansion. The ontology development effort is being guided by active discussions within the ontology community and brings together relevant preexisting ontologies in a logical framework. Components of the data entry and search interfaces are generated directly from the ontology, which allows rapid change in response to user needs and ontology evolution. Each eagle-i institution will populate and manage a local repository using data collection and curation tools. To enhance the quantity and quality of data, the data tools will take advantage of the ontology to support semi-automated annotation of resources. NIH/NCRR ARRA award #U24RR029825

    Regenerative peripheral nerve interfaces for real-time, proportional control of a Neuroprosthetic hand

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    Abstract Introduction Regenerative peripheral nerve interfaces (RPNIs) are biological constructs which amplify neural signals and have shown long-term stability in rat models. Real-time control of a neuroprosthesis in rat models has not yet been demonstrated. The purpose of this study was to: a) design and validate a system for translating electromyography (EMG) signals from an RPNI in a rat model into real-time control of a neuroprosthetic hand, and; b) use the system to demonstrate RPNI proportional neuroprosthesis control. Methods Animals were randomly assigned to three experimental groups: (1) Control; (2) Denervated, and; (3) RPNI. In the RPNI group, the extensor digitorum longus (EDL) muscle was dissected free, denervated, transferred to the lateral thigh and neurotized with the residual end of the transected common peroneal nerve. Rats received tactile stimuli to the hind-limb via monofilaments, and electrodes were used to record EMG. Signals were filtered, rectified and integrated using a moving sample window. Processed EMG signals (iEMG) from RPNIs were validated against Control and Denervated group outputs. Results Voluntary reflexive rat movements produced signaling that activated the prosthesis in both the Control and RPNI groups, but produced no activation in the Denervated group. Signal-to-Noise ratio between hind-limb movement and resting iEMG was 3.55 for Controls and 3.81 for RPNIs. Both Control and RPNI groups exhibited a logarithmic iEMG increase with increased monofilament pressure, allowing graded prosthetic hand speed control (R2 = 0.758 and R2 = 0.802, respectively). Conclusion EMG signals were successfully acquired from RPNIs and translated into real-time neuroprosthetic control. Signal contamination from muscles adjacent to the RPNI was minimal. RPNI constructs provided reliable proportional prosthetic hand control.https://deepblue.lib.umich.edu/bitstream/2027.42/146521/1/12984_2018_Article_452.pd

    Molecular Analysis of Microbial Communities in Endotracheal Tube Biofilms

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    Ventilator-associated pneumonia is the most prevalent acquired infection of patients on intensive care units and is associated with considerable morbidity and mortality. Evidence suggests that an improved understanding of the composition of the biofilm communities that form on endotracheal tubes may result in the development of improved preventative strategies for ventilator-associated pneumonia. (n = 5). DGGE profiling of the endotracheal biofilms revealed complex banding patterns containing between 3 and 22 (mean 6) bands per tube, thus demonstrating the marked complexity of the constituent biofilms. Significant inter-patient diversity was evident. The number of DGGE bands detected was not related to total viable microbial counts or the duration of intubation.Molecular profiling using DGGE demonstrated considerable biofilm compositional complexity and inter-patient diversity and provides a rapid method for the further study of biofilm composition in longitudinal and interventional studies. The presence of oral microorganisms in endotracheal tube biofilms suggests that these may be important in biofilm development and may provide a therapeutic target for the prevention of ventilator-associated pneumonia
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