320 research outputs found
Bertoldo, Bertoldino e Cacasenno, poema giocoso.
No full textPoem in 20 cantos each by a different author, G.P. Riva, P.B. Balbi and others, which is a metrical version of the prose romances "Le sottilissime astutie di Bertoldo" and "Le piacevoli et ridicolose simplicità di Bertoldino" by G.C. Croce and the "Novella di Cacasseno" by A. Banchieri under the pseudonym of Camillo Scaligeri della Fratta.Mode of access: Internet
Adolescents and web porn: a new era of sexuality
No full textBackground: Pornography can affect the lifestyles of adolescents, especially in terms of their sexual habits and porn consumption, and may have a significant influence on their sexual attitudes and behaviors. Objective: The aim of this study was to understand and analyze the frequency, duration, and perception of web porn utilization by young Italians attending high school. Materials and methods: A total of 1565 students attending the final year of high school were involved in the study, and 1492 have agreed to fill out an anonymous survey. The questions representing the content of this study were: 1) How often do you access the web? 2) How much time do you remain connected? 3) Do you connect to pornographic sites? 4) How often do you access pornographic sites? 5) How much time you spend on them? 6) How often do you masturbate? and 7) How do you rate the attendance of these sites? Statistical analysis was performed by Fischer's test. Results: All young people, on an almost daily basis, have access to Internet. Among those surveyed, 1163 (77.9%) of Internet users admit to the consumption of pornographic material, and of these, 93 (8%) access pornographic websites daily, 686 (59%) boys accessing these sites perceive the consumption of pornography as always stimulating, 255 (21.9%) define it as habitual, 116 (10%) report that it reduces sexual interest towards potential real-life partners, and the remaining 106 (9.1%) report a kind of addiction. In addition, 19% of overall pornography consumers report an abnormal sexual response, while the percentage rose to 25.1% among regular consumers. Conclusion: It is necessary to educate web users, especially young users, to a safe and responsible use of the Internet and of its contents. Moreover, public education campaigns should be increased in number and frequency to help improve knowledge of Internet-related sexual issues both by adolescents and by parents
Concrete with Organic Waste Materials as Aggregate Replacement
No full textThe disposal of high volumes of organic waste is a global issue. Using organic waste instead of sand as an aggregate material for concrete could reduce the strain on waste treatment processes and on the extraction of finite resources. At the same time, it could be a climate change mitigation strategy, by storing the biogenic carbon contained in the organic waste. This project investigated the viability of replacing 10% of fine aggregate in concrete with various organic waste materials, namely rice husk ash, wood ash, corncob granules, and wheat straw. The fresh concrete’s properties were studied using the slump test, and the hardened concrete’s mechanical properties were measured using the compressive strength and flexural strength tests. In this study, 14 days of curing were considered for the mechanical tests, although the 28-day mechanical strength is more generally accepted. The mechanical performances along with a life cycle assessment (LCA) comparison between the concrete with organic waste and traditional concrete were conducted. The results suggested that rice husk ash and wood ash are the most-suitable organic waste products for use as aggregate replacers considering the mechanical properties. The concrete samples incorporating wheat straw and corncob granules exhibited relatively low strength; unless advanced treatment methods are applied to enhance the concrete’s performance, the utilization of these organic wastes in concrete may be limited. The environmental impact assessment of traditional concrete shows that the main contributor to almost every impact category is the production of Portland cement. Sand production contributes only marginally to the overall impact of the concrete. In terms of life-cycle greenhouse gas (GHG) emissions, traditional concrete exhibits the lowest GWP impact per cubic meter when mechanical properties are included in the functional unit used for the comparison. Nevertheless, concrete samples with wood ash and rice husk ash partially offset their lower compressive strength with higher carbon sequestration, showing a similar GWP impact to traditional concrete. This makes them promising alternatives, especially for cases where limited compressive strengths are needed. Further investigations to improve their mechanical properties and optimize their performance are warranted
sj-docx-1-tab-10.1177_1759720X221137125 – Supplemental material for Higher body mass index is associated with a lower iloprost infusion rate tolerance and higher iloprost-related adverse events in patients with systemic sclerosis
No full textSupplemental material, sj-docx-1-tab-10.1177_1759720X221137125 for Higher body mass index is associated with a lower iloprost infusion rate tolerance and higher iloprost-related adverse events in patients with systemic sclerosis by Riccardo Bixio, Giovanni Adami, Eugenia Bertoldo, Alessandro Giollo, Andrea Morciano, Davide Bertelle, Giovanni Orsolini, Luca Idolazzi, Maurizio Rossini and Ombretta Viapiana in Therapeutic Advances in Musculoskeletal Disease</p
Macroscale coupling between structural and effective connectivity in the mouse brain
No full textAbstract Exploring how the emergent functional connectivity (FC) relates to the underlying anatomy (structural connectivity, SC) is one of the major goals of modern neuroscience. At the macroscale level, no one-to-one correspondence between structural and functional links seems to exist. And we posit that to better understand their coupling, two key aspects should be considered: the directionality of the structural connectome and limitations in explaining networks functions through an undirected measure such as FC. Here, we employed an accurate directed SC of the mouse brain acquired through viral tracers and compared it with single-subject effective connectivity (EC) matrices derived from a dynamic causal model (DCM) applied to whole-brain resting-state fMRI data. We analyzed how SC deviates from EC and quantified their respective couplings by conditioning on the strongest SC links and EC links. We found that when conditioning on the strongest EC links, the obtained coupling follows the unimodal-transmodal functional hierarchy. Whereas the reverse is not true, as there are strong SC links within high-order cortical areas with no corresponding strong EC links. This mismatch is even more clear across networks; only within sensory motor networks did we observe connections that align in terms of both effective and structural strength
The role of noise modeling in the estimation of resting-state brain effective connectivity
No full textRevealing the Spatial Pattern of Brain Hemodynamic Sensitivity to Healthy Aging through Sparse Dynamic Causal Model
No full textAge-related changes in the BOLD response could reflect neurovascular coupling modifications rather than simply impairments in neural functioning. In this study, we propose the use of a sparse dynamic causal model (sDCM) to decouple neuronal and vascular factors in the BOLD signal, with the aim of characterizing the whole-brain spatial pattern of hemodynamic sensitivity to healthy aging, as well as to test the role of hemodynamic features as independent predictors in an age-classification model. sDCM was applied to the resting-state functional magnetic resonance imaging data of a cohort of 126 healthy individuals in a wide age range (31 females), providing reliable estimates of the hemodynamic response function (HRF) for each subject and each region of interest. Then, some features characterizing each HRF curve were extracted and used to fit a multivariate logistic regression model predicting the age class of each individual. Ultimately, we tested the final predictive model on an independent dataset of 338 healthy subjects (173 females) selected from the Human Connectome Project in Aging and Development cohorts. Our results entail the spatial heterogeneity of the age effects on the hemodynamic component, since its impact resulted to be strongly region- and population-specific, discouraging any space-invariant–corrective procedures that attempt to correct for vascular factors when carrying out functional studies involving groups with different ages. Moreover, we demonstrated that a strong interaction exists between certain right-hemisphere hemodynamic features and age, further supporting the essential role of the hemodynamic factor as independent predictor of biological aging, rather than a simple confounding variable
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