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    • Learning normal asymmetry representations for homologous brain structures 

      Bendersky, Mariana; Iarussi, Emmanuel; Deangeli, Duilio; Princich, Juan Pablo; Larrabide, Ignacio; Orlando, José Ignacio (Universidad Torcuato Di Tella, 2023)
      Although normal homologous brain structures are approximately symmetrical by definition, they also have shape differences due to e.g. natural ageing. On the other hand, neurodegenerative conditions induce their own changes ...

    • Liquidity protection versus Moral Hazard: the role of the IMF 

      Powell, Andrew; Arozamena, Leandro (Universidad Torcuato Di Tella. Escuela de Negocios. Centro de Investigaciones en Finanzas (CIF), 2003)
      This paper develops a simple game between the IMF a county and a set of atomistic private investors. The model is motivated by the case of Argentina. Under reasonable assumptions, the one shot game has no Nash equilibrium ...

    • Living and dying with hard pegs: the rise and fall of Argentina's currency board 

      Levy Yeyati, Eduardo; Schmukler, Sergio; Torre, Augusto de la (Universidad Torcuato Di Tella. Escuela de Negocios. Centro de Investigaciones en Finanzas (CIF), 2003)
      The rise and fall of Argentina’s currency board illustrates the extent to which the advantages of hard pegs have been overstated. The currency board did provide nominal stability and boosted financial intermediation, at ...

    • Macroeconomic coordination and monetary unions in a N-country world: Do all roads lead to Rome? 

      Powell, Andrew; Sturzenegger, Federico (Universidad Torcuato Di Tella. Escuela de Negocios. Centro de Investigaciones en Finanzas (CIF), 2002)
      In Europe, twelve countries have joined a currency union but four have stayed out. The EU enlargement process implies a large set of potential EMU entrants. In Latin America, two countries have recently dollarized and ...

    • Mudding the playing field. Fiscal contributions to municipalities as a political construction 

      Clerici, Paula; Demeco, Lucía; Galeano, Franco; Negri, Juan (Governance: An international Journal of Policy, Administration, and InstitutionsWiley, 2023)
      In federal presidential democracies, discretionary transfers are often mentioned as a tool used by the national executive to build and strengthen subnational support, typically governors. Funds to local mayors, however, ...

    • Multiobjective formulation for last-mile optimization in wireless networks 

      Marenco, Javier; Micheletto, Matías; Santos, Rodrigo M. (IEEE2023 XLIX Latin American Computer Conference (CLEI), 2023)
      Internet of Things (IoT) is a technology that serves as the basis for smart environments. The ever-expanding set of applications that provide intelligence in different scenarios is continually growing and expanding. From ...

    • Neglect in human communication : quantifying the cost of cell-phone interruptions in face to face dialogs 

      López-Rosenfeld, Matías; Calero, Cecilia I.; Fernandez Slezak, Diego; Garbulsky, Gerry; Bergman, Mariano; Trevisan, Marcos; Sigman, Mariano (2015-06-03)
      There is a prevailing belief that interruptions using cellular phones during face to face inter- actions may affect severely how people relate and perceive each other. We set out to deter- mine this cost quantitatively ...

    • Neural markers of social and monetary rewards in children with attention-deficit/hyperactivity disorder and autism spectrum disorder 

      González-Gadea, María Luz; Sigman, Mariano; Ratazzi, Alexia; Lavin, Claudio; Rivera Rei, Álvaro; Marino, Julián; Manes, Facundo; Ibáñez, Agustín (2016-07-28)
      Recent theories of decision making propose a shared value-related brain mechanism for encoding monetary and social rewards. We tested this model in children with Attention-Deficit/Hyperactivity Disorder (ADHD), children ...

    • Neural processing of emotional facial and semantic xxpressions in euthymic bipolar disorder (BD) and its association with theory of mind (ToM) 

      Ibañez, Agustín; Urquina, Diego; Petroni, Agustín; Baez, Sandra; Lopez, Vladimir; Nascimento, Micaela do; Herrera, Eduar; Guex, Raphael; Hurtado, Esteban; Blenkmann, Esteban; Beltrachini, Leandro; Gelormini, Carlos; Sigman, Mariano; Lischinsky, Alicia; Torralva, Teresa; Torrente, Fernando; Cetkovich, Marcelo; Manes, Facundo (2012-10-08)
      Background: Adults with bipolar disorder (BD) have cognitive impairments that affect face processing and social cognition. However, it remains unknown whether these deficits in euthymic BD have impaired brain markers of ...

    • NORHA: A NORmal Hippocampal Asymmetry Deviation Index Based on One-Class Novelty Detection and 3D Shape Features 

      Iarussi, Emmanuel; Deangeli, Duilio; Külsgaard, Hernán; Iarussi, Francisco; Braggio, Delfina; Princich, Juan Pablo; Bendersky, Mariana; Larrabide, Ignacio; Orlando, José Ignacio (Brain TopographySpringer, 2023)
      Radiologists routinely analyze hippocampal asymmetries in magnetic resonance (MR) images as a biomarker for neurodegenerative conditions like epilepsy and Alzheimer’s Disease. However, current clinical tools rely on either ...

    • Nudging cooperation in a crowd experiment 

      Niella, Tamara; Stier-Moses, Nicolás; Sigman, Mariano (2016-01-21)
      We examine the hypothesis that driven by a competition heuristic, people don't even reflect or consider whether a cooperation strategy may be better. As a paradigmatic example of this behavior we propose the zero-sum ...

    • On the endogeneity of exchange rate regimes 

      Levy Yeyati, Eduardo; Sturzenegger, Federico; Regio, Iliana (Universidad Torcuato Di Tella. Escuela de Negocios. Centro de Investigaciones en Finanzas (CIF), 2002)
      The literature has identified at least five approaches to the determinants of the choice of exchange rate regimes: i) optimal currency area theory; ii) exchange rate policy and the absortion of real and nominal shocks; ...

    • Organization of brain networks governed by long-range connections index autistic traits in the general population 

      Barttfeld, Pablo; Amoruso, Lucía; Ais, Joaquín; Cukier, Sebastián; Bavassi, Luz; Tomio, Ailin; Manes, Facundo; Ibañez, Agustín; Sigman, Mariano (2013-06-27)
      Background: The dimensional approach to autism spectrum disorder (ASD) considers ASD as the extreme of a dimension traversing through the entire population. We explored the potential utility of electroencephalography (EEG) ...

    • Parsing a cognitive task : a characterization of the mind’s bottleneck 

      Sigman, Mariano; Dehaene, Stanislas (2005-02-08)
      Parsing a mental operation into components, characterizing the parallel or serial nature of this flow, and understanding what each process ultimately contributes to response time are fundamental questions in cognitive ...

    • Partisanship predicts COVID-19 vaccine brand preference: the case of Argentina 

      Fumagalli, Elena; Krick, Candelaria Belén; Dolmatzian, Marina Belén; del Negro, Julieta Edith; Navajas, Joaquin (Humanities and Social Sciences Communications (Humanit Soc Sci Commun) ISSN 2662-9992 (online), 2023)
      The COVID-19 pandemic underscored the significance of overcoming vaccine adoption resistance and addressing real and perceived barriers for efficient vaccination campaigns. One major problem faced by health systems around ...

    • Partisanship Predicts COVID-19 Vaccine Brand Preference: The Insightful Case of Argentina 

      Fumagalli, Elena; Navajas, Joaquín; Krick, Candelaria B.; Dolmatzian, Marina B.; Del Negro, Julieta (2022)
      The COVID-19 pandemic highlighted the importance of not only diminishing the resistance to vaccine adoption in general, but also to reduce both real and perceived barriers to a swift vaccination campaign. One major problem ...

    • Peer tutoring of computer programming increases exploratory behavior in children 

      de la Hera, Diego P.; Zanoni, María B.; Sigman, Mariano; Calero, Cecilia (Journal of Experimental Child Psychology, 2022)
      There is growing interest in teaching computer science and programming skills in schools. Here we investigated the efficacy of peer tutoring, which is known to be a useful educational resource in other domains but never ...

    • Por qué crecen menos los regímenes de tipo de cambio fijo? El efecto de los Sudden Stops 

      Stuzenegger, Federico (Universidad Torcuato Di Tella. Escuela de Negocios. Centro de Investigaciones en Finanzas (CIF), 2003)

    • Predicción de la satisfacción del usuario a partir de chats de atención al cliente 

      Romanisio, Alejandro; Gravano, Agustín (Memorias de las JAIIO, 2023)
      Los servicios de atención al cliente son determinantes de la experiencia de usuario de las empresas Fintech. Este trabajo busca entender, empleando técnicas de machine learning, qué factores llevan a ...

    • Preliminary evidence about the effects of meditation on interoceptive sensitivity and social cognition 

      Melloni, Margherita; Sedeño, Lucas; Couto, Blas; Reynoso, Martín; Gelormini, Carlos; Favaloro, Roberto; Canales-Johnson, Andrés; Sigman, Mariano; Manes, Facundo; Ibáñez, Agustín (2013-12-23)
      Background: Interoception refers to the conscious perception of body signals. Mindfulness is a meditation practice that encourages individuals to focus on their internal experiences such as bodily sensations, thoughts, ...