• Quantitative pedagogy : a digital two player game to examine communicative competence 

      López-Rosenfeld, Matías; Carrillo, Facundo; Garbulsky, Gerry; Fernandez Slezak, Diego; Sigman, Mariano (2015-11-10)
      nner concepts are much richer than the words that describe them. Our general objective is to inquire what are the best procedures to communicate conceptual knowledge. We con- struct a simplified and controlled setup emulating ...
    • Primer relevamiento de actores de los negocios inclusivos en Argentina. Segunda parte, programas con impacto social de las grandes empresas (2014-2016) 

      Universidad Torcuato Di Tella. Escuela de Negocios. Espacio de Negocios Inclusivos (ENI) (Universidad Torcuato Di Tella. Escuela de Negocios. Espacio de Negocios Inclusivos (ENI), 2016)
      El objetivo general del presente relevamiento es indagar cómo desarrollan acciones con impacto social las grandes empresas en Argentina y cómo se enmarcan esos programas en su modelo de negocio. En tanto que los objetivos ...
    • 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 ...
    • Confidence through consensus : a neural mechanism for uncertainty monitoring 

      Paz, Luciano; Insabato, Andrea; Zylberberg, Ariel; Deco, Gustavo; Sigman, Mariano (2016-02-24)
      Models that integrate sensory evidence to a threshold can explain task accuracy, response times and confidence, yet it is still unclear how confidence is encoded in the brain. Classic models assume that confidence is ...
    • Guía legal para emprendimientos sociales en Argentina : ¿qué figura jurídica elegir para crear empresas de impacto social? 

      Fundación Thomson Reuters (Universidad Torcuato Di Tella. Escuela de Negocios. Espacio de Negocios Inclusivos (ENI), 2016-06)
      Esta guía pretende orientar al emprendedor en el análisis sobre la figura jurídica que mejor se adapte a su emprendimiento. Ahora bien, debemos señalar que tradicionalmente en Argentina las figuras jurídicas se ...
    • 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 ...
    • Arithmetic on your phone : a large scale investigation of simple additions and multiplications 

      Zimmerman, Federico; Shalom, Diego; González, Pablo A.; Garrido, Juan Manuel; Álvarez Heduan, Facundo; Dehaene, Stanislas; Sigman, Mariano; Rieznik, Andrés (2016-12-29)
      We present the results of a gamified mobile device arithmetic application which allowed us to collect vast amount of data in simple arithmetic operations. Our results confirm and replicate, on a large sample, six of the ...
    • Emprender con impacto 

      Ciudad Autónoma de Buenos Aires. Gobierno de la Ciudad; Universidad Torcuato Di Tella. Escuela de Negocios. Espacio de Negocios Inclusivos (ENI) (Ciudad Autónoma de Buenos Aires. Gobierno de la Ciudad, 2017)
      "Emprender con impacto" brinda herramientas para pensar y llevar a la práctica soluciones inno- vadoras a lo largo de toda la cadena de producción de bienes y servicios, conjugando las tres dimensiones del impacto (social, ...
    • The language of geometry : fast comprehension of geometrical primitives and rules in human adults and preschoolers 

      Amalric, Marie; Wang, Liping; Pica, Pierre; Figueira, Santiago; Sigman, Mariano; Dehaene, Stanislas (2017-01-26)
    • Producing or reproducing reasoning? Socratic dialog is very effective, but only for a few 

      Goldin, Andrea Paula; Pedroncini, Olivia; Sigman, Mariano (2017-03-23)
      Successful communication between a teacher and a student is at the core of pedagogy. A well known example of a pedagogical dialog is `Meno', a socratic lesson of geometry in which a student learns (or `discovers') how ...
    • Dazzled by the mystery of mentalism : the cognitive neuroscience of mental athletes 

      Rieznik, Andrés; Lebedev, Mikhail; Sigman, Mariano (2017-05-31)
      Neural processing bymental athletes (MAs) has received attention fromNeuroscience community, with several publications examining superior memorizers (Maguire et al., 2003; Bor et al., 2008), lighting calculators (Pesenti ...
    • Serial, parallel and hierarchical decision making in primates 

      Zylberberg, Ariel; Lorteije, Jeannette AM; Ouellette, Brian G; Zeeuw, Chris I De; Sigman, Mariano; Roelfsema, Pieter (2017-06-26)
      he study of decision-making has mainly focused on isolated decisions where choices are associated with motor actions. However, problem-solving often involves considering a hierarchy of sub-decisions. In a recent study ...
    • Attention, in and out : scalp-level and Intracranial EEG correlates of interoception and exteroception 

      García-Cordero, Indira; Esteves, Sol; Mikulan, Ezequiel P.; Hesse, Eugenia; Baglivo, Fabricio H.; Silva, Walter; García, María del Carmen; Vaucheret, Esteban; Ciraolo, Carlos; García, Hernando S.; Adolfi, Federico; Pietto, Marcos; Herrera, Eduar; Legaz, Agustina; Manes, Facundo; García, Adolfo M.; Sigman, Mariano; Bekinschtein, Tristan A.; Ibáñez, Agustín; Sedeño, Lucas (2017-07-19)
      Interoception, the monitoring of visceral signals, is often presumed to engage attentional mechanisms specifically devoted to inner bodily sensing. In fact, most standardized interoceptive tasks require directing attention ...
    • Empathy for others’ suffering and its mediators in mental health professionals 

      Santamaría-García, Hernando; Baez, Sandra; García, Adolfo M.; Flichtentrei, Daniel; Prats, María; Mastandueno, Ricardo; Sigman, Mariano; Matallana, Diana; Cetkovich, Marcelo; Ibáñez, Agustín (2017-07-25)
      Empathy is a complex cognitive and affective process that allows humans to experience concern for others, comprehend their emotions, and eventually help them. In addition to studies with healthy subjects and various ...
    • A lesion model of envy and "Schadenfreude" : legal, deservingness and moral dimensions as revealed by neurodegeneration 

      Santamaría-García, Hernando; Baez, Sandra; Reyes, Pablo; Santamaría-García, José A.; Santacruz-Escudero, José M.; Matallana, Diana; Arévalo, Analía; Sigman, Mariano; García, Adolfo M.; Ibáñez, Agustín (2017-08-21)
      The study of moral emotions (i.e. Schadenfreude and envy) is critical to understand the ecological complexity of everyday interactions between cognitive, affective, and social cognition processes. Most previous studies in ...
    • An entropic barriers diffusion theory of decision-making in multiple alternative tasks 

      Fernandez Slezak, Diego; Sigman, Mariano; Cecchi, Guillermo A. (2018-03-02)
      We present a theory of decision-making in the presence of multiple choices that departs from traditional approaches by explicitly incorporating entropic barriers in a stochastic search process. We analyze response time ...
    • Social validation influences individuals’ judgments about ownership 

      Casiraghi, Leandro; Faigenbaum, Gustavo; Chehtman, Alejandro; Sigman, Mariano (2018-06-30)
      In all domains, from informal to formal, there are conflicts about property and ownership which resolution demands consideration of alleged claims from more than one party. In this work we asked adults (N = 359) to judge ...
    • Bayesian validation of grammar productions for the language of thought 

      Romano, Sergio; Salles, Alejo; Amalric, Marie; Deahene, Stanislas; Sigman, Mariano; Figueira, Santiago (2018-07-10)
      Probabilistic proposals of Language of Thoughts (LoTs) can explain learning across differ- ent domains as statistical inference over a compositionally structured hypothesis space. While frameworks may differ on how a LoT ...
    • 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 ...