596 research outputs found
Postfazione. le parole delle parentele: dal tradurre al fare
No full textIn Making Kin. Fare parentele non popolazioni l’invito condi-
viso a fare giustizia multispecie contro ogni sfruttamento
suprematista emerge da sette tastiere differenti, e dunque
da sette differenti posizionamenti personali e politici. Clar-
ke, Haraway, Benjamin, Murphy, TallBear, Yu-Ling Huang e
Chia-Ling Wu insieme, ma con argomentazioni e collocazio-
ni diverse, sostengono che ai tempi del Capitalocene occorre
ripensare la riproduzione della specie sapiens in relazione
alla rigenerazione della Terra tutta, allo scopo di favorire il
diffondersi di parentele transpecie, degeneri, crossrazziali
Adele Clarke, Donna Haraway, Making kin. Fare parentele, non popolazioni, edizione italiana e traduzione a cura di Angela Balzano, Antonia Ferrante, Federica Timeto, Roma, DeriveApprodi, 2022, pp. 234
Get PDFBook review of Adele Clarke, Donna Haraway, Making kin. Fare parentele, non popolazioni, edizione italiana e traduzione a cura di Angela Balzano, Antonia Ferrante, Federica Timeto, Roma, DeriveApprodi, 2022, pp. 234.Recensione di Adele Clarke, Donna Haraway, Making kin. Fare parentele, non popolazioni, edizione italiana e traduzione a cura di Angela Balzano, Antonia Ferrante, Federica Timeto, Roma, DeriveApprodi, 2022, pp. 234
Computational strategies for discrete modeling of Cultural Heritage structures
Get PDFLo scopo di questo lavoro di ricerca è presentare lo sviluppo di approcci discontinui e l'influenza della stereotomia per simulare il comportamento dinamico non lineare di strutture storiche in muratura di grandi dimensioni. Gli obiettivi sono quindi le valutazioni qualitative e quantitative dei diversi approcci esistenti e delle principali leggi costitutive, l'analisi e la calibrazione dei parametri meccanici e fornire forti indicazioni sul miglior livello di discretizzazione necessario per questo tipo di approcci. Pertanto, lo studio prevede l'utilizzo di schemi di integrazione temporale implicita ed esplicita per la dinamica strutturale, rispettivamente nel metodo della Dinamica di Contatto Non Regolare e Modello di Zona Coesiva implementati nel codice LMGC90©, dove i moti di scorrimento sono governati dalla condizione di impenetrabilità di Signorini e dalla legge di attrito di Coulomb, e nel Metodo degli Elementi Discreti con comportamenti coesivi e di resistenza a trazione dei giunti nel codice 3DEC©. Una serie di casi studio di strutture esistenti è stata rappresentata adottando quattro diversi modelli geometrici che andavano da quello più complesso, comprese le pareti in muratura a geometria piena e disordinata (a sacco), a quello più semplice, includendo le murature con singolo paramento come semplificazione delle opere murarie esistenti. I risultati numerici hanno evidenziato le modalità di cedimento dipendenti dalla forma, dimensione e tessitura della muratura e le modalità di danneggiamento progressivo sotto azioni dinamiche. Inoltre, gli approcci numerici presentati si sono dimostrati in grado di simulare grandi spostamenti e separazioni complete di blocchi, riprodurre comportamenti meccanici complessi e fare previsioni sulla valutazione di vulnerabilità degli edifici storici in muratura. I risultati discussi sono positivi e preziosi nell'ottica della preservazione del patrimonio culturale da danni futuri proponendo linee guida per il rinforzo e l'adeguamento sismico delle strutture.The aim of this research work is to present the development of discontinuous approaches and the influence of stereotomy to simulate the nonlinear dynamic behavior of historical large-scale masonry structures. Thus, the objectives are the qualitative and quantitative evaluations on the different existing approaches and the main constitutive laws, the analyses and calibration of mechanical parameters, and providing strong indications on the best level of discretization needed for these kinds of approaches. Thus, the study involves the use of implicit and explicit time integration schemes for structural dynamics, respectively in the Non-Smooth Contact Dynamics method and Cohesive Zone Model implemented in the LMGC90© code, where sliding motions are governed by Signorini's impenetrability condition and dry-friction Coulomb's law, and in the Discrete Element Method with cohesive and tensional behaviors at the joints in the 3DEC© code. A set of case studies from real structures was represented adopting four different geometric models ranged from the most complex one, including the full geometry and multi-leaf masonry walls, to the simplest one, including the single-leaf walls as a simplification of the real masonry. The numerical results highlighted the failure modes depending on the shape, size and texture of the masonry and the modalities of progressive damage under dynamic actions. Moreover, the numerical approaches presented have proven to be capable of simulating large displacements and complete block separations, reproducing complex mechanical behaviors and making predictions on the vulnerability assessment of the historical masonry buildings. The results discussed are successful and valuable in view of preservation of the cultural heritage from future damages proposing guidelines for strengthening and seismic retrofitting of structures.
Functional analysis of counterfactual thinking: developmental path and applications
No full textMental simulation is a common and instinctive aspect of the human mind. Counterfactual thinking involves mentally representing how the world would have been now if things had been different. Numerous studies have been conducted on how people imagine other outcomes of previous events. Counterfactual thinking promotes learning, is essential for individuals to create meaning in their daily lives and plays an important role in a vast range of processes, from decision-making to emotion and performance. It is still unclear at what age children can produce counterfactuals like those of adults, and there were no studies investigating the content and frequency of adults’ counterfactuals about daily events, comparing CFT with other types of thoughts. The main aims of this study are: 1) to study the age at which children can produce valid CFT similar to adults; 2) to analyze the cognitive mechanisms underlying the production of CFT, 3) to identify features in contrast to other forms of thinking like prefactual (“Things in the future might turn out differently if only...”) and causal thinking ““Things turned out this way because...”). Participants performed a task or reflected on a daily event and then completed a sentence (e.g., "things would have been better for me if...") with an antecedent (adaptation of the experimental paradigm of Ferrante et al. 2013). Moreover, participants completed questionnaires about their performance or the personal situation they were experiencing, thoughts, moods, behaviors, intentions, and personal characteristics.
We coded counterfactual, prefactual, and causal thoughts generated for controllability (Ferrante et al, 2013) and locus (Roese and Epstude, 2017). In daily life events, it was not always possible to determine if the thoughts produced were controllable or not. We used a new similar, but different classification with three levels: BEHAVIOR, STATE, and SITUATION.
Studies showed that children aged 8-13 produce counterfactuals about an event that had happened to them, despite not achieving an adult-level ability and focusing on different content antecedents than adults. In daily life, the proportion of thoughts in macro-categories is shaped by the question proposed, and we found differences between counterfactual and causal thinking. Finally, causal thoughts and counterfactuals seem to differ with regard to other characteristics, not for controllability. The results provide an original contribution to the study of the content of children's and adults' counterfactuals. Counterfactuals are an autonomous form of thinking that seems to explain an event by dwelling on the causes that triggered it and could prevent it next time, and not necessarily on the more controllable causes.Mental simulation is a common and instinctive aspect of the human mind. Counterfactual thinking involves mentally representing how the world would have been now if things had been different. Numerous studies have been conducted on how people imagine other outcomes of previous events. Counterfactual thinking promotes learning, is essential for individuals to create meaning in their daily lives and plays an important role in a vast range of processes, from decision-making to emotion and performance. It is still unclear at what age children can produce counterfactuals like those of adults, and there were no studies investigating the content and frequency of adults’ counterfactuals about daily events, comparing CFT with other types of thoughts. The main aims of this study are: 1) to study the age at which children can produce valid CFT similar to adults; 2) to analyze the cognitive mechanisms underlying the production of CFT, 3) to identify features in contrast to other forms of thinking like prefactual (“Things in the future might turn out differently if only...”) and causal thinking ““Things turned out this way because...”). Participants performed a task or reflected on a daily event and then completed a sentence (e.g., "things would have been better for me if...") with an antecedent (adaptation of the experimental paradigm of Ferrante et al. 2013). Moreover, participants completed questionnaires about their performance or the personal situation they were experiencing, thoughts, moods, behaviors, intentions, and personal characteristics.
We coded counterfactual, prefactual, and causal thoughts generated for controllability (Ferrante et al, 2013) and locus (Roese and Epstude, 2017). In daily life events, it was not always possible to determine if the thoughts produced were controllable or not. We used a new similar, but different classification with three levels: BEHAVIOR, STATE, and SITUATION.
Studies showed that children aged 8-13 produce counterfactuals about an event that had happened to them, despite not achieving an adult-level ability and focusing on different content antecedents than adults. In daily life, the proportion of thoughts in macro-categories is shaped by the question proposed, and we found differences between counterfactual and causal thinking. Finally, causal thoughts and counterfactuals seem to differ with regard to other characteristics, not for controllability. The results provide an original contribution to the study of the content of children's and adults' counterfactuals. Counterfactuals are an autonomous form of thinking that seems to explain an event by dwelling on the causes that triggered it and could prevent it next time, and not necessarily on the more controllable causes
Dynamic Behavior of an Inclined Existing Masonry Tower in Italy
Get PDFThe renaissance bell tower of San Benedetto in Ferrara (Italy) has been investigated to understand its nonlinear dynamics correctly with the Non-Smooth Contact Dynamic (NSCD) method. The masonry structure has been modeled with the Discrete Element Methods (DEM), assuming rigid blocks and frictional joints, with the aim to recreate the tower in the actual configuration with the inclination and in a fictitious perfect vertical shape in order to assess the influence of the initial slope on its dynamics. The contacts between blocks are governed by the Signorini's impenetrability condition and by dry-friction Coulomb's law. Both configurations have been analyzed inducing real seismic excitations of various types and intensities, corresponding to the six main seismic events of the last few decades in Italy. Thus, the seismic vulnerability of the examined tower is clearly expressed in the numerical results, proving the effects due to the inclination on the amplification of the vulnerability and the several possible collapse mechanisms. Moreover, the NSCD has demonstrated to be a powerful numerical technique to obtain highly accurate results in the structural analyses of masonry structures in the nonlinear range
An evaluation on management of carotid body tumour (CBT). A twelve years experience
No full textObjectives. Carotid Body Tumor (CBT) is a rare lesion of the neuroendocrine system but it is the most common form of head and neck paraganglioma (PGL). Our objective is to discuss the optimal management of these lesions to provide the best outcome of patients treated by surgical resection. Patients and Methods. A retrospective evaluation was obtained by review of the records of 20 patients with 26 CBT treated at our institution between 2000 and 2012. Primary tumor characteristics, diagnostic protocols, surgical treatment, short and long-term outcomes were collected and analyzed. Results. A total of 26 CBTs resections were performed on 20 patients; the age range was 21-89 years. There was a female prevalence (14 women-80% and 6 men-20%). Familial cases occurred in 6 patients (30%); of these, 3 patients had bilateral lesions and 1 patient multiple paragangliomas. In all cases no lymph node metastasis was found. All lesions were grouped into three groups according to the latero-lateral diameter: Group I 5cm; Group III >5cm. All patients were managed by surgical resection of the CBT. There were no operative deaths. Overall we found transitory neurological impairment in 15,3% and permanent neurological deficit in 7,6% of cases. No complications occurred in all resections of Group I tumors. In Group II only 1 resection was followed by dysphonia by recurrent nerve palsy (after vagal nerve en-bloc resection). In Group III only 1 resection was followed by permanent vagus nerve palsy. Conclusions. Surgical removal of the tumor is the only treatment that can ensure a complete eradication of the disease. Family screening is of great importance in patients with hereditary forms. Careful preoperative planning of surgical procedure by integrated diagnostic imaging and a full mastery of the surgical technique can minimize the risk of the most common postoperative complications. Lifelong follow-up is mandatory to make early diagnosis of recurrent disease
Mujeres que escriben. Ferrante, Sapienza, Aleramo / Women who write. Ferrante, Sapienza, Aleramo
Get PDFLa escritura es un tema recurrente en la obra de Elena Ferrante. En sus artículos y entrevistas más recientes, la reflexión sobre el acto de escribir da paso a
una reflexión específica sobre las “escritoras”. El concepto que propone Ferrante
para describir la novedad que introducen las escritoras dentro de la tradición
literaria es el de “genealogía” (un concepto del feminismo de la diferencia sexual
formulado por Luce Irigaray y Luisa Muraro). Retomando la invitación de Ferrante
a fortalecer una “genealogía artística” femenina, este artículo propone un linaje que
conecta a la autora de las novelas napolitanas con Sibilla Aleramo, a través de Goliarda
Sapienza. Siguiendo el hilo de sus reflexiones sobre la escritura, se resaltarán una
serie de vínculos y cruces entre estos autores de diferentes generaciones entre ellos:
la pasión por la lectura, por la autobiografía y la metaficción. Finalmente, el artículo se centrará en cómo el fenómeno Ferrante ha ayudado a llevar la cuestión de la
escritura de las mujeres al centro del debate teórico feminista.
Writing is a recurring theme in Elena Ferrante’s work. In her more-recent articles and interviews, reflection on the act of writing opens up to a specific reflection on “women writers”. The concept that Ferrante proposes to describe the novelty that women writers introduce within the literary tradition is that of “genealogy” (a concept of the feminism of sexual difference formulated by Luce Irigaray and Luisa Muraro). Taking up Ferrante’s invitation to strengthen a female “artistic genealogy” this article proposes a lineage connecting the author of the Neapolitan Novels to Sibilla Aleramo, via Goliarda Sapienza. Following the thread of their reflections on writing, a series of links and cross-references between these authors of different generations will be highlighted including: the passion for reading, autobiographism, and metafiction. Finally, the article will focus on how the Ferrante phenomenon has helped bring the issue of women writing to the centre of feminist theoretical debate
Late patency of reconstructed visceral arteries after open repair of thoracoabdominal aortic aneurysm
Get PDFBackground: In the era of rising endovascular treatment of thoracoabdominal aortic aneurysms (TAAAs), the analysis of visceral vessel (VV) patency after open surgical repair is crucial to provide a future benchmark between these different approaches. This study reports the late outcomes of a single-center experience with open TAAA repair, focusing on the results of different techniques adopted for renal and splanchnic revascularization. Methods: Data were analyzed for 382 consecutive open TAAA repairs performed between January 2009 and July 2015 (284 men; mean age, 66 ± 10 years). Follow-up of surviving patients was carried out by computed tomography angiography and office checkups at 3 and 12 months and yearly afterward. Kaplan-Meier analysis was performed for overall survival, patency of reconstructed VVs (celiac trunk, superior mesenteric artery, right renal artery, left renal artery), and reinterventions on visceral arteries. Furthermore, VV long-term patency was analyzed in subgroups of patients according to the revascularization strategy (patch inclusion of all vessels, group 1; one-vessel separate reattachment and patch inclusion of the remaining vessels, group 2; separate reattachment of all VVs, group 3). Results: In-hospital mortality and paraparesis/paraplegia occurred in 7.6% and 8.1% of patients, respectively. Among the 353 survivors, 338 complied with the follow-up protocol, and adequate computed tomography angiography images were available in 247 patients (952 VVs were analyzed). Overall follow-up survival was 94%, 91%, and 70% at 1 year, 2 years, and 5 years, respectively. At the same time points, VV patency was 99%, 98%, and 98% for celiac trunk; 100%, 100%, and 100% for superior mesenteric artery; 100%, 96%, and 96% for right renal artery; and 91%, 87%, and 82% for left renal artery (log-rank test, P < .0001). Estimates for reinterventions on VVs were 1.2%, 6.3%, and 17% at the same time points. Freedom from occlusion of any VV at 1 year and 3 years was 95% and 87% for group 1, 89% and 79% for group 2, and 92% and 92% for group 3, respectively (log-rank test, P = .13). Conclusions: Long-term patency of VVs after open TAAA repair performed in high-volume centers is high, regardless of the technique employed for revascularization. The left renal artery appears to be most prone to occlusion over time
Applying General Impostors Method to the Ferrante Case
Get PDFElena Ferrante is the nome de plume of an anonymous writer who is highly successful on the international stage and whose success far exceeds that of other products of Italian contemporary literature. In this study we approach Ferrante’s authorship investigation as a verification problem since we cannot be sure whether the real author behind Ferrante’s pseudonym is among the candidates we have considered in previous studies. For this reason, we applied the General Impostors’ (GI) method using the Cosine Delta distance in both a corpus of 150 novels written by 40 authors (39 candidates and Elena Ferrante) and a non-literary corpus of 113 texts signed by 14 different entities (12 authors, a collective author and Elena Ferrante). In the literary corpus Starnone emerged as the most likely author of Ferrante’s novels. Results were quite different in the second case: Starnone was not the only possible author since in many non-literary texts Raja, Martone as well as the E/O publishing house staff and publishers seem to have authorial contributions. The GI method not only confirmed previous results but also improved our knowledge on this case since it provides a measure of the attribution strength
The Non-smooth Dynamics of Multiple Leaf Masonry Walls of the Arquata Del Tronto Fortress
No full textThe progressive damage of the multiple leaf masonry walls of the Arquata del Tronto medieval fortress, inside the epicentral zone of the last Centre Italy earthquakes of August and October 2016, has been investigated by means of the Non-Smooth Contact Dynamics method (NSCD). According to this model, the masonry structure has been modelled as a system of rigid blocks, and since the contacts between blocks are governed by the Signorini’s impenetrability condition and by dry-friction Coulomb’s law, the building exhibits discontinuous dynamics. The NSCD method has proved to be a powerful tool for investigating the dynamics induced by ground seismic accelerations. Indeed, the numerical results have given a deep insight into the seismic vulnerability of this damaged medieval fortress, confirming several possible failure mechanisms
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