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Research indicates that humans orient attention toward facial expressions of emotion. Orienting to facial expressions has typically been conceptualised as due to bottom-up attentional capture. However, this overlooks the contributions of top-down attention and selection history. In the present study, across four experiments, these three attentional processes were differentiated using a variation of the dot-probe task, in which participants were cued to attend to a happy or angry face on each trial. Results show that attention toward facial expressions was not exclusively driven by bottom-up attentional capture; instead, participants could shift their attention toward both happy and angry faces in a top-down manner. This effect was not found when the faces were inverted, indicating that top-down attention relies on holistic processing of the face. In addition, no evidence of selection history was found (i.e., no improvement on repeated trials or blocks of trials in which the task was to orient to the same expression). Altogether, these results suggest that humans can use top-down attentional control to rapidly orient attention to emotional faces. BACKGROUND Most household air pollution (HAP) interventions in developing countries of sub-Saharan Africa have focused on a single source, such as replacing polluting cooking sources with cleaner burning cooking stoves. Such interventions, however, have resulted in insufficient reductions in HAP levels and respiratory health risks in children. In this study we determined how multiple HAP combustion sources and exposure-mitigation factors in the home environment influence child respiratory health alone and in combination. METHODS We carried out a case-control study to determine associations between multiple indicators of HAP and persistent cough among children ( less then 15 years of age) seeking care at three primary-care clinics in Kampala, Uganda. HAP indicators included self-report of combustion sources inside the home (e.g., stove type, fuel type, and smoking); housing characteristics and cooking practices that mitigate HAP exposure (e.g., use of windows, location of cooking, location of children during c0), and 8.6 (3.9, 23.9). Conversely, at least two clusters of HAP indicator-profiles were protective compared to the reference cluster, despite the fact that these protective HAP indicator profiles used solid fuels for cooking in combination with an unimproved stove (cooking was performed predominantly outdoors in these protective clusters). CONCLUSIONS In addition to cooking fuel and type of cook stove, multiple HAP indicators were strongly associated with persistent cough in children. Bayesian profile regression revealed that the combination of HAP sources and HAP exposure-mitigating factors was driving risk of adverse cough associations in children, rather than any single HAP source at the home. OBJECTIVE To longitudinally investigate the effect of fear of falling on all-cause mortality. METHODS Data from the KLoSA from 2006 to 2016 was used and 10,219 middle aged and older adults were included for analysis. The association between fear of falling and all-cause mortality was analyzed by Cox proportional hazard model with controlling for demographic characteristics, number of chronic conditions, depressive symptoms and fall experience. RESULTS Of the 10,219 individuals at baseline 2006, those with fall experience for 2 years were 411 participants (4.2 %) and about 18.5 % of these participants (n 76) died. In terms of FOF, 14.83 % of participants (1,515/10,219) reported serious fear for falling. Adjusted hazard ratio (HR) of all-cause mortality shows those who are very afraid of falling had a significantly increased risk of mortality compared with those without a FOF (HR 1.861, 95 % CI 1.589-2.179, P-value.0001). CONCLUSION This study shows a statistically significant association between fear of falling and all-cause mortality in a Korean middle aged and aged population. INTRODUCTION The population is aging in Egypt and hence functional limitation is increasing. Scriptaid Thus finding the best measures for its detection is mandated. OBJECTIVES The aim of this study was to assess whether Katz ADL (activities of daily living) and Lawton IADL (instrumental activities of daily living) were suitable measures to represent the functional abilities of older Egyptians of both genders during hospital admission and to determine the dimensionality of both tools. METHODS Functional status was assessed during hospital admission as a part of the comprehensive geriatric assessment for 786 older patients (aged 60 years and older). 150 of them were randomly interviewed to collect data regarding the difficulty during each task of Katz ADL and Lawton IADL performance, unnecessary and unmet needed assistance, barriers to get needed assistance and the type of care providers. RESULTS The prevalence of ADL and IADL dependency was 61.80 % and 85.87 %, respectively. Functional limitation in both scales was found to be significantly associated with increasing age, marital status other than married, cognitive impairment. Both scales showed a bi-dimensional factor structure, removing continence from Katz ADL resulted in a uni-dimensional scale. Females were more dependent than males in all tasks except household tasks of IADL. CONCLUSIONS Katz ADL and Lawton IADL did not capture the actual dependency level among older Egyptians. The household tasks in Lawton IADL and continence in Katz ADL mislabeled dependency in the studied sample. Non-alcoholic steatohepatitis (NASH) is associated with liver fibrosis and cirrhosis, which eventually leads to hepatocellular carcinoma. Although several animal models were developed to understand the mechanisms of NASH pathogenesis and progression, it remains obscure. A 3D organoid culture system can recapitulate organ structures and maintain gene expression profiles of original tissues. We therefore tried to generate liver organoids from different degrees [defined as mild (NASH A), moderate (NASH B) and severe (NASH C)] of methionine- and choline-deficient diet-induced NASH model mice and analyzed the difference of their architecture, cell components, organoid-forming efficacy, and gene expression profiles. Organoids from each stage of NASH model mice were successfully generated. Interestingly, epithelial-mesenchymal transition was observed in NASH C organoids. Expression of Collagen I and an activated hepatic stellite cell marker, α-sma was upregulated in the liver organoids from NASH B and C mice. The analysis of RNA sequencing revealed that several novel genes were upregulated in all NASH liver organoids.
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