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  1. Article ; Online: Empowering Persons with Autism Through Cross-Reality and Conversational Agents.

    Garzotto, Franca / Gianotti, Mattia / Patti, Alberto / Pentimalli, Francesca / Vona, Francesco

    IEEE transactions on visualization and computer graphics

    2024  Volume 30, Issue 5, Page(s) 2591–2601

    Abstract: Autism Spectrum Disorder is a neurodevelopmental condition that can affect autonomy and independence. Our research explores the integration of Cross-Reality and Conversational Agents for Autistic persons to improve ability and confidence in everyday life ...

    Abstract Autism Spectrum Disorder is a neurodevelopmental condition that can affect autonomy and independence. Our research explores the integration of Cross-Reality and Conversational Agents for Autistic persons to improve ability and confidence in everyday life situations. We combine two technologies of the Virtual-Real continuum. User experiences unfold from the simulation of tasks in VR to the execution of similar tasks supported by AR in the real world. A speech-based Conversational Agent is integrated with both VR and AR. It provides contextualized help, promotes generalization, and stimulates users to apply what they learned in the virtual space. The paper presents the approach and describes an empirical study involving 17 young Autistic persons.
    MeSH term(s) Humans ; Autistic Disorder ; Autism Spectrum Disorder ; Computer Graphics ; Learning ; Power, Psychological
    Language English
    Publishing date 2024-04-19
    Publishing country United States
    Document type Journal Article
    ISSN 1941-0506
    ISSN (online) 1941-0506
    DOI 10.1109/TVCG.2024.3372110
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Analysis and comparison of innovative large scale thermo-mechanical closed cycle energy storages

    Manzoni, Matteo / Patti, Alberto / Maccarini, Simone / Traverso, Alberto

    Energy. 2022 June 15, v. 249

    2022  

    Abstract: In recent years, large installations of renewable power generators have contributed to reduce emissions from fossil sources. Nevertheless, the main features of renewable sources are the unpredictability and the non-dispatchability, exacerbating problems ... ...

    Abstract In recent years, large installations of renewable power generators have contributed to reduce emissions from fossil sources. Nevertheless, the main features of renewable sources are the unpredictability and the non-dispatchability, exacerbating problems of power balancing for the electrical grid. In such a context, it is essential to investigate innovative energy storage systems, both at small and large scale, to maintain the high quality level of current electrical infrastructure and to guarantee spinning-reserve capability, thus ensuring grid stability. Closed-loop systems for thermo-mechanical energy storage based on rotating machinery could be a solution to achieve this goal. Basing on the state of the art and growing knowledge of CO₂ cycles for power production, this paper aims to analyze innovative energy storage solutions involving closed cycles, employing different working fluids in subcritical or supercritical conditions, including CO₂, N₂O and SF₆. Moreover, also H₂O was treated as an evolving fluid for benchmark. Such various plant configurations have been sized for a net power level of 10 MWe during charging phase, considering the same charging (compression mode) and discharging (expansion mode) phase duration of 4 h. Their techno-economic features have been compared: Round Trip Efficiency (RTE) greater than 70% is achieved, demonstrating the potential of such plants as utility scale energy storage. Among the different working fluids considered, CO₂ in supercritical conditions achieves the best RTE performance.
    Keywords carbon dioxide ; energy ; infrastructure ; power generation
    Language English
    Dates of publication 2022-0615
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2019804-8
    ISSN 0360-5442 ; 0360-5442
    ISSN (online) 0360-5442
    ISSN 0360-5442
    DOI 10.1016/j.energy.2022.123629
    Database NAL-Catalogue (AGRICOLA)

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  3. Book ; Online: A generalized Hopfield model to store and retrieve mismatched memory patterns

    Leuzzi, Luca / Patti, Alberto / Ricci-Tersenghi, Federico

    2022  

    Abstract: We study a class of Hopfield models where the memories are represented by a mixture of Gaussian and binary variables and the neurons are Ising spins. We study the properties of this family of models as the relative weight of the two kinds of variables in ...

    Abstract We study a class of Hopfield models where the memories are represented by a mixture of Gaussian and binary variables and the neurons are Ising spins. We study the properties of this family of models as the relative weight of the two kinds of variables in the patterns varies. We quantitatively determine how the retrieval phase squeezes towards zero as the memory patterns contain a larger fraction of mismatched variables. As the memory is purely Gaussian retrieval is lost for any positive storage capacity. It is shown that this comes about because of the spherical symmetry of the free energy in the Gaussian case. Introducing two different memory pattern overlaps between spin configurations and each contribution to the pattern from the two kinds of variables one can observe that the Gaussian parts of the patterns act as a noise, making retrieval more difficult. The basins of attraction of the states, the accuracy of the retrieval and the storage capacity are studied by means of Monte Carlo numerical simulations. We uncover that even in the limit where the network capacity shrinks to zero, the (few) retrieval states maintain a large basin of attraction and large overlaps with the mismatched patterns. So the network can be used for retrieval, but with a very small capacity.

    Comment: 18 pages, 27 figures
    Keywords Condensed Matter - Disordered Systems and Neural Networks ; Physics - Biological Physics
    Subject code 006 ; 612
    Publishing date 2022-04-09
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article: Can Secondary Adhesive Capsulitis Complicate Calcific Tendinitis of the Rotator Cuff? An Ultrasound Imaging Analysis.

    Tuè, Giovanni / Masuzzo, Oriana / Tucci, Francesco / Cavallo, Marco / Parmeggiani, Anna / Vita, Fabio / Patti, Alberto / Donati, Danilo / Marinelli, Alessandro / Miceli, Marco / Spinnato, Paolo

    Clinics and practice

    2024  Volume 14, Issue 2, Page(s) 579–589

    Abstract: Background: Adhesive capsulitis (AC) of the glenohumeral joint is a recognized cause of pain associated with both active and passive restricted ranges of movement. AC can be subdivided into primary and secondary forms. Trauma, surgery, immobilization, ... ...

    Abstract Background: Adhesive capsulitis (AC) of the glenohumeral joint is a recognized cause of pain associated with both active and passive restricted ranges of movement. AC can be subdivided into primary and secondary forms. Trauma, surgery, immobilization, and diabetes mellitus are the leading well-recognized causes of secondary AC. Calcific tendinitis/tendinitis (CT) of the rotator cuff is considered a possible trigger for AC, as reported in a few previous articles. However, there are no original investigations that assess the frequency and characteristics of this association. The aim of our research was to evaluate the presence of AC in a cohort of patients with a known CT condition of the rotator cuff by an ultrasound (US) examination.
    Materials and methods: We prospectively enrolled all the patients admitted at our single institution (October 2022-June 2023) for the preoperative US evaluation of a known CT condition. In these patients, we searched for parameters related to secondary AC. An axillary pouch (AP) thickness equal to or greater than 4 mm (or greater than 60% of the contralateral AP) was considered diagnostic of AC. Moreover, rotator interval (RI) thickness and the presence of effusion within the long-head biceps tendon (LHBT) sheath was also assessed in all patients.
    Results: A total of 78 patients (54F, 24M-mean age = 50.0 and range = 31-71 y.o.) were enrolled in the study. In 26 of those patients (26/78-33.3%), US signs of AC were detected. Notably, the mean AP thickness in patients with AC and CT was 3.96 ± 1.37 mm (Group 1) and 2.08 ± 0.40 mm in patients with CT only (Group 2). RI thickness was significantly greater in patients with superimposed AC: 2.54 ± 0.38 mm in Group 1 and 1.81 ± 0.41 mm in Group 2 (
    Conclusion: US signs of AC are found in one-third of patients with CT of the rotator cuff, demonstrating that AC represents a frequent complication that should be routinely evaluated during US investigation to provide more personalized treatment strategies.
    Language English
    Publishing date 2024-03-28
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2605724-4
    ISSN 2039-7283 ; 2039-7275
    ISSN (online) 2039-7283
    ISSN 2039-7275
    DOI 10.3390/clinpract14020045
    Database MEDical Literature Analysis and Retrieval System OnLINE

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