24,252 research outputs found
Remarks on defective Fano manifolds
No full textThis note continues our previous work on special secant defective (specifically, conic connected and local quadratic entry locus) and dual defective manifolds. These are now well understood, except for the prime Fano ones. Here we add a few remarks on this case, completing the results in our papers (Russo in Math Ann 344:597–617, 2009; Ionescu and Russo in Compos Math 144:949–962, 2008; Ionescu and Russo in J Reine Angew Math 644:145–157, 2010; Ionescu and Russo in Am J Math 135:349–360, 2013; Ionescu and Russo in Math Res Lett 21:1137–1154, 2014); see also the recent book (Russo, On the Geometry of Some Special Projective Varieties, Lecture Notes of the Unione Matematica Italiana, Springer, 2016)
Scientific Evidence and the Law: An Objective Bayesian Formalisation of the Precautionary Principle in Pharmaceutical Regulation
No full textThe paper considers the legal tools that have been developed in German pharmaceutical regulation as a result of the precautionary attitude inaugurated by the Contergan decision (1970). These tools are (i) the notion of "well-founded suspicion", which attenuates the requirements for safety intervention by relaxing the requirement of a proved causal connection between danger and source, and the introduction of (ii) the reversal of proof burden in liability norms. The paper focuses on the first and proposes seeing the precautionary principle as an instance of the requirement that one should maximise expected utility. In order to maximise expected utility certain probabilities are required and it is argued that objective Bayesianism offers the most plausible means to determine the optimal decision in cases where evidence supports diverging choices
The effect of breakfast cereal consumption on adolescents' cognitive performance and mood
No full textThe aim of the current study was to investigate the effect of breakfast consumption on cognitive performance and mood in adolescents, and any interaction that breakfast consumption might have with cognitive load. The rationale for this approach was that the beneficial effects of any intervention with regard to cognitive function may be more readily apparent when more demands are placed on the system. Furthermore, as skipping breakfast is particularly prevalent within this age group, thus, we focused on adolescents who habitually skip breakfast. Cognitive load was modulated by varying the level of difficulty of a series of cognitive tasks tapping memory, attention, and executive functions. Mood measured with Bond-Lader scales (1974) as well as measures of thirst, hunger, and satiety were recorded at each test session both at baseline and after the completion of each test battery. Forty adolescents (mean age = 14:2) participated in this within-subjects design study. According to treatment, all participants were tested before and after the intake of a low Glycaemic index breakfast (i.e., a 35 g portion of AllBran and 125 ml semi-skimmed milk) and before and after no breakfast consumption. Assessment time had two levels: 8.00 am (baseline) and 10.45 am. The orders of cognitive load tasks were counterbalanced. Overall it appeared that following breakfast participants felt more alert, satiated, and content. Following breakfast consumption, there was evidence for improved cognitive performance across the school morning compared to breakfast omission in some tasks (e.g., Hard Word Recall, Serial 3's and Serial 7's). However, whilst participants performance on the hard version of each cognitive task was significantly poorer compared to the corresponding easy version, there was limited evidence to support the hypothesis that the effect of breakfast was greater in the more demanding versions of the tasks. © 2013 Defeyter and Russo
Reseñas
No full textObra ressenyada: Pedro Calderón de la Barca; ed. de Isabel HERNANDO MORATA, El príncipe constante. Madrid / Frankfurt am Main: Universidad de Navarra/ Iberoamericana /Vervuert, 2015
Logistics infrastructures and integration between ports
No full textThis research analyzes the North Adriatic area as an ideal logistics platform to compete with northern European ports in terms of transit time, sustainability and economic efficiency. The analysis of the new alliance between different but close ports highlights the main commercial and logistics opportunities that are being created in a specific geographical area called the North Adriatic
Rappresentazioni genitoriali e gravidanza a rischio. Una ricerca pilota.
No full textLa genitorialità ha recentemente assunto una posizione centrale nel pensiero psicologico, suscitando una serie di studi e ricerche tesi a rileggere questa importante fase del ciclo vitale anche alla luce degli odierni e profondi cambiamenti che il concetto di famiglia ha subito.
Abbandonando la dicotomia tra “polo affettivo” e “polo etico” che prevede la rigida separazione tra compiti materni e paterni nell’accudimento del bambino, si è voluto sottolineare che il coinvolgimento del padre, così come quello della madre, inizia ancor prima della nascita del figlio, ovvero durante la sua attesa, sebbene l’uomo abbia maggiormente bisogno di strumenti tangibili quali ecografie e movimenti fetali per raggiungere piena coscienza della presenza del bambino.
Scopo della ricerca è di approfondire lo studio delle percezioni e dei vissuti genitoriali durante il periodo della gravidanza definita “a rischio”, inteso come momento particolare e difficile dell’evoluzione personale dei futuri genitori. Si è voluta concentrare l’attenzione sul rischio fisico e psicologico che il trauma derivante da tale esperienza potrebbe avere nel processo di costruzione delle rappresentazioni, rispetto alla nascita e allo sviluppo della relazione precoce genitori-figlio.
Metodo
Sono state coinvolte 10 coppie in attesa del primo o secondo figlio.Tutte le donne erano in situazione di ricovero presso una struttura ospedaliera palermitana a causa di una patologia gravidica.
Gli strument:
IRMAG: Intervista per le Rappresentazioni Materne in Gravidanza (Ammaniti, Calderoni, Pola, Tambelli, 1999);
Rap.Pa.G.: Intervista per le Rappresentazioni Paterne durante la Gravidanza (Di Vita, Giannone, 2002);
Differenziale Semantico (Camozza, 1977);
La Doppia Luna (Greco, 1999)
Risultati
I risultati si articolano rispetto alle diverse aree d’indagine esplorate dagli strumenti; in generale, emergono alcune interessanti differenze che contraddistinguono l’universo materno da quello paterno ma l’elemento principale di osservazione sembra relativo alla presenza del “rischio” legato all’esperienza genitoriale che appare come un elemento estremamente condizionante le rappresentazioni e le fantasie dei soggetti
Norberto Gramaccini, Mirabilia. Das Nachleben antiker Statuen vor der Renaissance. Mainz am Rhein, éd. Philipp von Zabern, 1996. 279 p., 135 ill.en n.et bl.
No full textRusso Daniel. Norberto Gramaccini, Mirabilia. Das Nachleben antiker Statuen vor der Renaissance. Mainz am Rhein, éd. Philipp von Zabern, 1996. 279 p., 135 ill.en n.et bl.. In: Revue de l'Art, 1998, n°120. p. 101
Papel del factor de transcripción Kruppel-like factor 2 en la disfunción endotelial hepática asociada a la hipertensión portal y al daño por isquemia y reperfusión
No full textEl endotelio disfuncional presenta, entre otras caracteristicas, alteración en los mecanismos de vasodilatación, complicaciones trombóticas, disminución de la resistencia al estrés oxidativo, aumento de la expresión de moléculas de adhesión y de la secreción de moléculas proinflamatorias. El factor de transcripción endotelial KLF2 juega un importante papel en la regulación del fenotipo protector endotelial y su expresión depende de las fuerza hemodinámicas generadas por el flujo sanguíneo y de la administración exógena de estatinas.
La hipertensión portal y el daño hepático por I/R son dos condiciones patológicas asociadas a disfunción endotelial. Los trastornos estructurales característicos de la cirrosis hepática, la mayor causa prevalente de hipertensión portal en nuestro entorno, se acompañan de variaciones en las fuerzas hemodinámicas que pueden modificar la expresión de KLF2 y su programa transcripcional vasoprotector. Asímismo, durante la isquemia asociada a la preservación de injertos hepáticos para transplante, la interrupción de las fuerzas hemodinámicas generadas por el flujo sanguíneo podría resultar en la reducción de los programas endoteliales vasoprotectores, que se debería en parte a la pérdida de expresión de KLF2.
Los trabajos de investigación de la presente tesis doctoral amplian el conocimiento de los mecanismos moleculares responsables de la disfunción endotelial hepática, demostrando:
1. Que KLF2 está muy expresado en los hígados cirróticos y que su expresión se induce en las fases tempranas de la progresión de la enfermedad, representando un mecanismo compensador para mejorar los desórdenes vasculares característicos de los hígados cirróticos.
2. Que los hígados preservados en condiciones de transplante muestran un descenso tiempo-dependiente de KLF2, acompañado de daño hepático y aumentada resistencia vascular.
Además, demostran que la modulación farmacologica de la expresión de KLF2 puede ser beneficiosa tanto en el tratamiento de la hipertensión portal como en la preservación de los injertos hepáticos para transplante
Strong Fashion and Weak Identity: a Necessary Association?
No full textFashion has become a fertile field of study for academics across disciplines, now that the rules, once tightly fixed, have been deconstructed. This volume brings together academics from various disciplines - philosophy, sociology, medicine, anthropology, psychology and psychiatry - to examine fashion's complex relationship with post-industrial societies. Herein the authors address, from the standpoint of their respective disciplines, what crucial functions fashion fulfils in the modern world, especially as it relates to the construction and deconstruction of the self. This volume is the result of a conference held by the Social Trends Institute at which the authors presented original papers. The Social Trends Institute is a non-profit research centre that offers institutional and financial support to academics in all fields who research and explore emerging social trends and their effects on human communities. The Institute focuses its research on four main subject areas: family, bioethics, culture and lifestyles, and corporate governance
Protecting Animals 36: Author Witi Ihimaera
No full textIn this very special episode of Knowing Animals I am joined by beloved New Zealand author Witi Ihimaera. Witi has written many books featuring nonhuman animals. He offers us a non-colonial lens through which to think about the human/nonhuman relationship
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