73 research outputs found

    The ATLAS Trigger/DAQ Authorlist, version 1.0

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    This is a reference document giving the ATLAS Trigger/DAQ author list, version 1.0 of 20 Nov 2008

    The ATLAS Trigger/DAQ Authorlist, version 2.0

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    This is the ATLAS Trigger/DAQ Authorlist, version 2.0, 31 July 200

    The ATLAS Trigger/DAQ Authorlist, version 3.1

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    This is the ATLAS Trigger/DAQ Authorlist, version 3.1, 17 September 200

    The ATLAS Trigger/DAQ Authorlist, version 3.0

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    This is the ATLAS Trigger/DAQ Authorlist, version 3.0, 11 September 200

    Relationship between nerve fiber layer hemorrhages and outcomes in central retinal vein occlusion

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    PURPOSE. To evaluate the depth and pattern of retinal hemorrhage in acute central retinal vein occlusion (CRVO) and to correlate these with visual and anatomic outcomes. METHODS. Retinal hemorrhages were evaluated with color fundus photography and fluorescein angiography at baseline and follow-up. Snellen visual acuity (VA), central foveal thickness (CFT), extent of retinal ischemia, and development of neovascularization were analyzed. RESULTS. 108 eyes from 108 patients were evaluated. Mean age was 63.6 ± 16.1 years with a predilection for the right eye (73.1). Average follow-up was 17.2 ± 19.2 months. Mean VA at baseline was 20/126 and 20/80 at final follow-up. Baseline (P = 0.005) and final VA (P = 0.02) in eyes with perivascular nerve fiber layer (NFL) hemorrhages were significantly worse than in eyes with deep hemorrhages alone. Baseline CFT was greater in the group with perivascular hemorrhages (826 ± 394 μm) compared to the group with deep hemorrhages alone (455 ± 273 μm, P < 0.001). The 10 disc areas of retinal ischemia was more common in patients with perivascular (80.0) and peripapillary (31.3) versus deep hemorrhages alone (16.1, P < 0.001). Neovascularization of the iris was more common, although this differrence was not significant, in the groups with peripapillary (14.3) and perivascular (2.0) NFL versus deep hemorrhages alone (0.0). CONCLUSIONS. NFL retinal hemorrhages at baseline correlate with more severe forms of CRVO, with greater macular edema, poorer visual outcomes, and greater risk of ischemia and neovascularization. This may be related to the organization of the retinal capillary plexus. The depth and pattern of distribution of retinal hemorrhages in CRVO may provide an easily identifiable early biomarker of CRVO prognosis. Copyright 2020 The Author

    Measurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment

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    A measurement of the charge asymmetry in top-quark pair (tt ̄) production in association with a photon is presented. The measurement is performed in the single-lepton tt ̄ decay channel using proton–proton collision data collected with the ATLAS detector at the Large Hadron Collider at CERN at a centre-of-mass-energy of 13 TeV during the years 2015–2018, corresponding to an integrated luminosity of 139 fb−1. The charge asymmetry is obtained from the distribution of the difference of the absolute rapidities of the top quark and antiquark using a profile likelihood unfolding approach. It is measured to be AC=−0.003±0.029 in agreement with the Standard Model expectation

    Organization of reward and movement signals in the basal ganglia and cerebellum

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    Abstract The basal ganglia and the cerebellum are major subcortical structures in the motor system. The basal ganglia have been cast as the reward center of the motor system, whereas the cerebellum is thought to be involved in adjusting sensorimotor parameters. Recent findings of reward signals in the cerebellum have challenged this dichotomous view. To compare the basal ganglia and the cerebellum directly, we recorded from oculomotor regions in both structures from the same monkeys. We partitioned the trial-by-trial variability of the neurons into reward and eye-movement signals to compare the coding across structures. Reward expectation and movement signals were the most pronounced in the output structure of the basal ganglia, intermediate in the cerebellum, and the smallest in the input structure of the basal ganglia. These findings suggest that reward and movement information is sharpened through the basal ganglia, resulting in a higher signal-to-noise ratio than in the cerebellum

    A Following Wave Pattern of Suicide-Related Pediatric Emergancy Room Admissions during the COVID-19 Pandemic

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    The COVID-19 pandemic and response, which included physical distancing and stay-at-home orders, disrupted the daily lives of children and adolescents, isolating them from their peers, school, and other meaningful contacts. The present study aims to add to the accumulating evidence on the pandemic’s impact on child and adolescent suicidal behavior. Data were extracted from Schneider Children’s Medical Center of Israel’s pediatric emergency room (ER) admissions for psychiatric consultation for suicidal-risk assessment between 1 January 2020, and 16 April 2022. We applied time-lagged cross-correlation analysis and a Granger causality test to assess the temporal relationships between COVID-19 infection waves and patterns of suicide-related ER admissions. The results revealed a significant lagged correlation between national COVID-19 infection rates and ER admission rates. The highest correlation was above 0.4 and was found with a lag of 80 to 100 days from infection rate to ER admission rate. The findings show that the effects of public crises change over time and may be lagged. This may have important implications for mental health services’ readiness to serve growing numbers of children and adolescents at risk for suicide

    Myeloperoxidase Is an Early Biomarker of Inflammation and Cardiovascular Risk in Prepubertal Obese Children

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    No potential conflicts of interest relevant to this article were reported. J.O. performed biomarker and statistical analyses and wrote the manuscript. C.M.A., L.A.M., and A.G. designed the experiment and critically revised the manuscript. M.G.-C., R.L., G.B., M.D.M.-J., M.V., R.C., and R.T., collected the children’s data and samples. A.G. is the guarantor of this work and, as such, had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.OBJECTIVE-Obesity is associatedwith a state of chronic low-grade inflammation.Myeloperoxidase (MPO) plays an important role in the initiation and progression of acute and chronic inflammatory diseases, such as cardiovascular disease (CVD). The objectives of the current study were to evaluate plasma MPO levels in prepubertal obese children and to determine whether MPO could be an early biomarker of inflammation and CVD risk. RESEARCH DESIGN AND METHODS-In a prospective multicenter case-control study paired by age and sex of 446 Caucasian prepubertal children ages 6–12 years, 223 normal-weight and 223 obese children were recruited. Blood pressure, waist circumference, weight, and height were measured. In addition to MPO, glucose, insulin, metabolic lipid parameters, oxidized low-density lipoproteins, adiponectin, leptin, resistin, C-reactive protein (CRP), interleukin 6, tumor necrosis factor a, matrix metalloproteinase-9 (MMP-9), and plasminogen activator inhibitor 1 were determined. RESULTS-We found that MPO was elevated in prepubertal obese children and that this enzyme was associated with such proinflammatory and cardiovascular risk biomarkers as CRP, MMP-9, and resistin. Insulin resistance calculated by the homeostatic assessment model was the best predictor of MPO. CONCLUSIONS-MPO is an early biomarker of inflammation associated with CVD risk in obese children at the prepubertal age.Junta de Andalucía CTS-2203Instituto de Salud Carlos III del Ministerio de Ciencia e Innovación Red SAMID RETIC RD08/007
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