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21.
The Processing of Irony Across the Lifespan
Greta Mazzaggio, Alessandra Zappoli, Diana Mazzarella, 2022, published scientific conference contribution abstract

Keywords: aging, older adults, relevance theory, echoic theory, self-paced reading
Published in RUNG: 20.09.2022; Views: 1057; Downloads: 0
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22.
Analysis of gambling slot machines : written report
Marko Žagar, 2022, research project (high school)

Keywords: probability theory, statistics, combinatorics, slot machine games
Published in RUNG: 16.09.2022; Views: 943; Downloads: 0

23.
Prosody and discourse structure in native and second language : hands on research using PRAAT
Alessandra Zappoli, 2022, published scientific conference contribution abstract

Abstract: This course focuses on the interplay between the speech sciences and the cognitive sciences, addressing the processing and acquisition of prosodic contours in Second Language (L2) Learning. We will introduce the theoretical framework of Autosegmental Metric Theory of Intonation and ToBI annotation, and we will cover the key notions of signal processing and speech analysis with a hands-on-research practical session, adopting the open-source software PRAAT. Furthermore, we will present studies targeting the cross-linguistic production of prosodic contours, focusing on the production of native speakers and L2 learners. Finally, we will address the behavioral and neurophysiological cognitive studies on the auditory processing of prosodic contours, targeting native speakers and L2 learners, and targeting the linguistic and paralinguistic function of pitch in speech. It is suggested to have a laptop and headphones, and to download the software PRAAT at one of the following links: windows: http://www.fon.hum.uva.nl/praat/download_win.html macintosh: http://www.fon.hum.uva.nl/praat/download_mac.html linux: http://www.fon.hum.uva.nl/praat/download_linux.html
Keywords: speech, cognitive sciences, PRAAT, prosody, second language acquisition, autosegmental metric theory of intonation, hands-on research, multilingualism
Published in RUNG: 30.08.2022; Views: 1233; Downloads: 8
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24.
Bioacoustic signal analysis through complex network features
Mohanachandran Nair Sindhu Swapna, RAJ VIMAL, Sankararaman S, 2022, original scientific article

Abstract: The paper proposes a graph-theoretical approach to auscultation, bringing out the potential of graph features in classifying the bioacoustics signals. The complex network analysis of the bioacoustics signals - vesicular (VE) and bronchial (BR) breath sound - of 48 healthy persons are carried out for understanding the airflow dynamics during respiration. The VE and BR are classified by the machine learning techniques extracting the graph features – the number of edges (E), graph density (D), transitivity (T), degree centrality (Dcg) and eigenvector centrality (Ecg). The higher value of E, D, and T in BR indicates the temporally correlated airflow through the wider tracheobronchial tract resulting in sustained high-intense low-frequencies. The frequency spread and high-frequencies in VE, arising due to the less correlated airflow through the narrow segmental bronchi and lobar, appears as a lower value for E, D, and T. The lower values of Dcg and Ecg justify the inferences from the spectral and other graph parameters. The study proposes a methodology in remote auscultation that can be employed in the current scenario of COVID-19.
Keywords: Bioacoustic signal, Graph theory, Complex network, Lung auscultation
Published in RUNG: 30.06.2022; Views: 1149; Downloads: 0
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25.
The atypical pattern of irony comprehension in autistic children
Francesca Panzeri, Greta Mazzaggio, Beatrice Giustolisi, Silvia Silleresi, Luca Surian, 2022, original scientific article

Abstract: Nonliteral language understanding has always been recognized as problematic in autistic individuals. We ran a study on 26 autistic children (mean age = 7.3 years) and 2 comparison groups of typically developing children, 1 matched for chronological age, and 1 of younger peers (mean age = 6.11 years) matched for linguistic abilities, aiming at assessing their understanding of ironic criticisms and compliments, and identifying the cognitive and linguistic factors that may underpin this ability. Autistic participants lagged behind the comparison groups in the comprehension of both types of irony, and their performance was related to mindreading and linguistic abilities. Significant correlations were found between first-order Theory of Mind (ToM) and both types of irony, between second-order ToM and ironic compliments, and between linguistic abilities and ironic criticisms. The autistic group displayed an interesting, and previously unattested in the literature, bimodal distribution: the great majority of them (n = 18) displayed a very poor performance in irony understanding, whereas some (n = 6) were at ceiling. We discuss these results in terms of two different profiles of autistic children.
Keywords: irony, autism spectrum disorder, experimental pragmatics, theory of mind, irony comprehension
Published in RUNG: 05.05.2022; Views: 1365; Downloads: 0
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26.
The Structure of the Block Code Generated by a BL-Algebra
Hashem Bordbar, 2022, original scientific article

Abstract: Inspired by the concept of BL-algebra as an important part of the ordered algebra, in this paper we investigate the binary block code generated by an arbitrary BL-algebra and study related properties. For this goal, we initiate the study of the BL-function on a nonempty set P based on BL-algebra L, and by using that, l-functions and l-subsets are introduced for the arbitrary element l of a BL-algebra. In addition, by the mean of the l-functions and l-subsets, an equivalence relation on the BL-algebra L is introduced, and using that, the structure of the code generated by an arbitrary BL-algebra is considered. Some related properties (such as the length and the linearity) of the generated code and examples are provided. Moreover, as the main result, we define a new order on the generated code C based on the BL-algebra L, and show that the structures of the BL-algebra with its order and the correspondence generated code with the defined order are the same.
Keywords: BL-function, BL-code, binary linear block codes, coding theory, BL-algebra
Published in RUNG: 07.03.2022; Views: 1411; Downloads: 42
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Testing the predictions of axisymmetric distribution functions of galactic dark matter with hydrodynamical simulations
Mihael Petač, Julien Lavalle, Arturo Núñez-Castiñeyra, Emmanuel Nezri, 2021, original scientific article

Abstract: Signal predictions for galactic dark matter (DM) searches often rely on assumptions regarding the DM phase-space distribution function (DF) in halos. This applies to both particle (e.g. p-wave suppressed or Sommerfeld-enhanced annihilation, scattering off atoms, etc.) and macroscopic DM candidates (e.g. microlensing of primordial black holes). As experiments and observations improve in precision, better assessing theoretical uncertainties becomes pressing in the prospect of deriving reliable constraints on DM candidates or trustworthy hints for detection. Most reliable predictions of DFs in halos are based on solving the steady-state collisionless Boltzmann equation (e.g. Eddington-like inversions, action-angle methods, etc.) consistently with observational constraints. One can do so starting from maximal symmetries and a minimal set of degrees of freedom, and then increasing complexity. Key issues are then whether adding complexity, which is computationally costy, improves predictions, and if so where to stop. Clues can be obtained by making predictions for zoomed-in hydrodynamical cosmological simulations in which one can access the true (coarse-grained) phase-space information. Here, we test an axisymmetric extension of the Eddington inversion to predict the full DM DF from its density profile and the total gravitational potential of the system. This permits to go beyond spherical symmetry, and is a priori well suited for spiral galaxies. We show that axisymmetry does not necessarily improve over spherical symmetry because the (observationally unconstrained) angular momentum of the DM halo is not generically aligned with the baryonic one. Theoretical errors are similar to those of the Eddington inversion though, at the 10-20% level for velocity-dependent predictions related to particle DM searches in spiral galaxies. We extensively describe the approach and comment on the results.
Keywords: galaxy dynamics, dark matter experiments, dark matter simulations, dark matter theory, cosmology, nongalactic astrophysics, astrophysics of galaxies, high energy physics
Published in RUNG: 01.10.2021; Views: 1896; Downloads: 64
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30.
The theory of mind's role in pronoun acquisition : the phenomenon of pronoun reversal in typically developing children
Greta Mazzaggio, 2016, original scientific article

Abstract: This study’s aim is to understand how children learn first- and second-person singular pronouns. Many researchers tried to find possible connection between Theory of Mind (ToM) and the acquisition of pronouns. The ability to produce and comprehend first- and second-person singular pronouns seems closely linked with the ability to appreciate other people’s mental states: a lack or non-mature development of ToM may thus affect their competence in using pronouns. To strengthen this hypothesis we focused on the phenomenon of pronoun reversal, which mainly consists in the substitution of I for you, and you for I, testing a group of 17 typically developing children - 38 to 70 months of age. Due to its pro-drop classification, Italian is the focus language of this study. The outcome showed a correlation between the phenomena of ToM and pronoun reversal. Further research should focus on the directionality of this correlation and better our understanding of its meaning.
Keywords: pronoun reversal, pronouns, echolalia, theory of mind, typically developing children, psycholinguistics
Published in RUNG: 27.09.2021; Views: 1739; Downloads: 45
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